New Generation Undercounter Fx/gx / Fp/gp
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New Generation Undercounter FX/GX / FP/GP (NUC 2007) Technical Data Status 14. March 07 ! Confidential - for internal use only ! latest changes highlighted in green Stainless steal quality: Booster 1.4404, other parts 1.4301 Housing · Outer panels 0.8 mm · Top 1 mm · Double walled Door · with safety switch · double walled and insulated · 0.8 mm material Tank · all corners with 40 mm radius · min. 0.8 mm material · tank volume 10.8 l Tank heating · immersion heater 0.8 kW (as option 3 kW standard immersion heater) · thermostatic control with thermal fuse · temperature indication on the panel Wash temperature 65°C (55-60°C on GX/GP) Filter · Strainer with integral coarse filter with positioning reed switch · Improved Genius-X filter system Drain: Pumped drain Wash pump · 0,6 kW · circulation 140 l/min (marketing value 350 l/min) · pressure on jet 0.25 bar (marketing value 0,5 bar) · pump shell made of polypropylene (Borealis GB 364 WG) Wash arms · spinning · re-moveable · 1 lower and 1 upper wash arm · embossed non-clogging jets · 2 x 8 jets Rinse arms · spinning · re-moveable · 1 lower and 1 upper rinse arm · 0.5 mm material · embossed non-clogging jets · 2 x 8 jets Rinse · Integral airgap, 0.5 bar line pressure required (max. 10 bar) · Rinse volume 2,5 l (intensive cycle III of GX has 4 l ) · Rinse pressure pump (50 l/min) Booster · Pressureless booster · Booster volume 7.7 l (useable max 4.7 l) · Temperature indication on the control panel Voltage Fuse 400/50/3/N/PE 230/50/1/PE 230/50/1/PE 230/50/1/PE Booster 3x16 A 25 A 16 A 13 A 6,15 kW 4,1 kW 2,05 kW 1,36 kW Total loading 7,7 kW 5,6 kW 3,6 kW 2,9 kW Rinse temperature · 82°C (adjustable up to max. 95°C) · Fill & dump cycle no III: 60 –70°C depending on water supply temperature (min. 10°C) · GX: 65°C +/-2 (booster setting 70°C) Electronic control: · With CAN interface Integral drying: 0,06 kW (Premax only) Dispensers (optional) · For rinse aid and detergent · Continual flow, adjustable rinse 0-0.4 l/h / detergent 0-3 l/h · Max. head height 1500 mm Integral container for chemicals: · 1l rinse aid (Premax only) · 2.5 l detergent (optional for Premax only) Softener (optional) · Salt-Capacity: max. 2000 g (coarse grained – no tablets) · Capacity with a single fill of salt: 1800 / 1000 / 850 / 180 cycles depending on preset of water hardness 7 / 14 / 21 / 30°dH · Additional water consumption for regeneration: o approx. 2,75 liter every 4 wash cycles at setting H4 for new FX o approx. 2,75 liter every 10 wash cycles at setting H3 for new FX o approx. 2,75 liter every 20 wash cycles at setting H2 for new FX o approx. 2,75 liter every 40 wash cycles at setting H1 for new FX Certifications · CE · DVGW-conformity Dimensions · Height: 820-900 mm by extension of feet · Loading height: 425 mm Heat radiation [kW]: Type washware FX / GX FX 400 2,7 1,1 other heat radiation total latent Sensible 1,5 0,3 0,3 0,1 1,2 0,2 Connections: · Electrical cable: 2000 mm, dimension depending on specified voltage · Water supply hose: 2000 mm, connection _‘‘ inner dimension, max. 60°C water supply · Drain hose: 2000 mm, connection 24 mm inner diameter, 28 mm outer diameter, connection height max. 750 mm · Hoses for detergent and rinse aid (optional): 2500 mm Weight: app. 65 kg drained IP-Protection: IPX4 Cycle times, capacity and performance: FX/FP FX 400 GX/GP Preset cycle time [s] Cycle Cycle P01 P02 90 180 180 240 60 90 Theoretical capacity Cycle P01 FX/FP* FX/FP** FX 400*** FX 400**** GX/GP* GX/GP** Actual values if connected to water supply 60°C Cycle time [s] Capacity Cycle P01 Cycle Cycle P01 P02 Cycle P03 Rack/h plates/h 90 180 300 40 720 143 180 300 25 450 180 240 300 20 360 213 240 300 17 306 60 90 120 60 60 90 120 60 - Cycle P03 300 (F&D) 300 (F&D) 120 Rack/h 40 15 60 plates/h 720 270 - Actual values if connected to water supply 15°C Cycle time [s] Capacity Cycle P01 Cycle Cycle P01 P02 Cycle P03 Rack/h plates/h FX/FP* 134 180 300 27 486 FX/FP** 390 390 400 9 162 FX 400*** 198 240 300 18 324 FX 400**** 587 587 600 6 108 GX/GP* 106 106 155 34 GX/GP** 308 308 454 12 *Electrically connected to 400/50/3N. **Electrically connected to 230/50/1 / 16 amps ****Electrically connected to 230/50/1 / 13 amps ***Electrically connected to 230/50/1 / 32 amps Cycles and special cycles GX P01 P02 P03 P04 H (Hygiene) *** GP 60s 90s 120s / intensive* 600s FX FP 90s 180s 300s / Fill & Dump** endless 600s *Intensive rinse with extended rinse volume of 4 liter (e.g. for glassware with deepening in the bottom) **Fill & Dump (125 sec wash followed by a 3 step rinse of 3 x 3 liter 70°C through the rinse arms) *** 10 minutes cycles for use of specific Hobart chemical tab (incl. draining, refilling, 300s wash at 65°C, draining and automatic switch off) SERVICE TRAINING CENTER HOBART GmbH Service Manual EFFICIENT – RELIABLE – INNOVATIVE An ITW-Company SERVICE MANUAL FX/GX & FP/GP Starting from Serial No FX/GX 8652 0001 FP/GP 8651 0001 This document is produced for internal use only. The detailed settings and servicing must be carried out by service technicians qualified by HOBART. Reproduction of this document is prohibited without the written permission of Hobart GmbH. Issue: 2007-04 © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Contents Model and equipment overview...................................................................................................................3 Technical data.....................................................................................................................................................4 Comparison Profi / Premax........................................................................................................................5 Dimensions.......................................................................................................................................................5 Installation..........................................................................................................................................................6 Electrical connection..............................................................................................................................6 Water connection........................................................................................................................................6 Drain connection.........................................................................................................................................6 Controls – FX / GX..............................................................................................................................................7 Controls – FP / GP..............................................................................................................................................8 First run / Customer Menu.............................................................................................................................9 Hydraulic schematic and Components...................................................................................................10 without Softener......................................................................................................................................10 with Softener..............................................................................................................................................11 Airgap with built-in impeller switch........................................................................................................12 Pressure transmitter 775866-2 – Booster / Tank...............................................................................13 pumps.....................................................................................................................................................................14 pump UNIT Complete 01-240005-1 (Wash and Drain pump)................................................................14 Wash pump M1 / Soft start.......................................................................................................................15 Rinse pump M2 01-240234-1..........................................................................................................................15 Ventilation and Non-Return valve............................................................................................................16 Wash arms 01-240050-1 / Rinse arms 01-240847-3.......................................................................................16 Dryer ("Premax" models only)....................................................................................................................17 Description...................................................................................................................................................17 Technical Data..............................................................................................................................................18 Drying operation........................................................................................................................................19 Detergent / Rinse aid dispenser................................................................................................................20 Booster / tank / temperature sensors...................................................................................................21 DOOR – Details....................................................................................................................................................22 Softener..............................................................................................................................................................23 Softener Test program...........................................................................................................................23 Softener test sequence.........................................................................................................................24 Hygiene Cleaning ("Premax" models only)............................................................................................25 Auto Check..........................................................................................................................................................25 Faults....................................................................................................................................................................26 Button functions.............................................................................................................................................27 Basic Operation / Customer Settings.................................................................................................27 Service Diagnostics...................................................................................................................................28 Machine type selection – Modification of basic data – Softener Test Program..............29 printed circuit board....................................................................................................................................30 Main BOARD A1................................................................................................................................................30 Extension board A3....................................................................................................................................31 Basic data sheet / Prog. 001 – 008 (GX/GP)...............................................................................................32 Basic data sheet / Prog. 009 – 018 (FX/FP)................................................................................................35 Counter Functions..........................................................................................................................................38 Page / NUC © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Model and equipment overview FX Specification tank rinse detergent Disp. 440/50/3 400/50/3 230/50/2 230/50/3 200/50/3 440/60/3 400/60/3 200/60/3 220/60/1 230/60/2 230/60/3 230/60/1; 32A 230/50/1 400/50/3/N 230/50/1;32A Voltages Device Device altern. altern. X X P1812,B0007,CB4 FX-70N FP-70 X altern. altern. X X P1812,B0007,CB4 FXS-70N FPS-70 X altern. altern. with integral detergent container X X P1812,B0007,CB4 FP-71 X altern. altern. with integral detergent container X X P1812,B0007,CB4 FPS-71 P1812,B0007,CB4 altern. X altern. X X altern. X altern. X X 15sec rinse / specific temperature settings / endless cycle X Specific packing acc. ISPM15 X X FX400-70N P1812,B0007,CB4 FXS400-70N P1812,B0007,CB4 FX-72N X P1812,B0007,CB4 FX-73N P1812,B0007,CB4 FX-80N P1812,B0007,CB4 X X X X X P1812,B0007,CB4 FX-81N FXNav-10N X X P1812,B0007,CB4 FXMar-70N X X P1812,B0007,CB4 FXMar-71N X X P1812,B0007,CB4 FXMar-72N X X P1812,B0007,CB4 FXMar-73N X X P1812,B0007,CB4 FXMar-74N X X P1812,B0007,CB4 FXMar-75N X X P1812,B0007,CB4 FXMar-76N X X P1812,B0007,CB4 FXMar-77N specific roller feet,drain hose,airgap,door gasket,2.7kW / USPH P1812,B0007,CB4 FXCV-70N specific roller feet,drain hose,airgap,door gasket,2.5kW / USPH P1812,B0007,CB4 FXCV-71N specific roller feet,drain hose,airgap,door gasket,2.5kW / USPH P1812,B0007,CB4 FXCV-72N as above but max. 5 kW booser (public area version) P1812,B0007,CB4 FXCV-73N as above but max. 5 kW booser (public area version) P1812,B0007,CB4 FXCV-74N as above but max. 5 kW booser (public area version) P1812,B0007,CB4 FXCV-75N Navy spec (feet, door lock, wires fixed, etc) X X Marine X X X X X X X Cruise Vessel X X X X X X Halogen free version ! X X FXL Premax X X GX Racks Profi FP-72 P1812,B0007,CB4 FXCVHF-70N L P1812,324660,CB1 L P1812,324660,CB1 FXL-81N L X X P1812,324660,CB1 FXL-70N FXL-80N X altern. altern. X altern. altern. X altern. altern. X altern. altern. X altern. altern. X altern. altern. X X 303171 GXH-70N GP-70 X altern. altern. X X 303171 GXHS-70N GPS-70 X altern. altern. with integral detergent container X X 303171 GP-71 X altern. altern. with integral detergent container X X 303171 X altern. altern. Cold Rinse Version (Release Mid 2007) X X 303171 GXH-.... GPS-71 GP-... device Code explanation f G x 70 P S l H K Bäko mcD N mar Cv Hf = = = = = = = = = = = = = = = front door machine Glasswasher Genius x selling number (as example) Premax model (also with Genius x) integrated Softener (option) large wash chamber High type glasswasher (cold rinse – not available yet) customised Bäko version mcDonalds version New version marine version Cruise vessel version Halogen free version © HOBART GmbH, Service Training Center L X X P1812,324660,CB1 FXLS-70N 850 mm height, roller ball feet at back, cover external chemical L X X P1812,324660,CB1 FXMcD-70N low level control, adhesive for change of cycle L X X P1812,324660,CB1 FXMcDS-70N customised Bäko version L X X P1812,324660,CB1 FXBäkoS-70N example: fXlS-70n (Profi model) There are no longer Fill & Dump models (FXD). At FX / FP models, program 3 is used as Fill & Dump (125s wash followed by a 3 step rinse of 3 x 3 liter 70°C through the rinse arms). NUC / Page SERVICE TRAINING CENTER Technical data TYPE: Program [s]: 400V connection FX-70N FX400-70N GXH-70N (GP) FP-70 90 / 180 / 300 180 / 240 / 300 60 / 90 / 120 / 600(HY) 90/180/300(FD)/90(DA)/600(HY) Machine capacity 400V: Racks / h 40 15 60 40 Plates / h (18 plates/rack) 720 270 xxxxxxxx 720 Glasses / h (36 glasses/rack) 1440 1440 / 540 1440 / 540 1440 820 (+90) 820 (+90) 820 (+90) 820 (+90) 600 600 600 600 Depth closed door [mm]: 600 FXL 640 600 600 600 Depth opened door [mm]: 1037 1037 1037 1037 Useable loading height [mm]: 425 425 425 425 Loudness [db(A)]: 60 60 60 60 Height (+adjustment) [mm]: Width [mm]: Electrical connection / voltage [V]: Total connected load [kW]/[A]: Hot/Cold water supply Fuse protection Hot/Cold water supply Fuse protection Booster heating [V]/[kW]: Energy demand booster [kW)/[A]: Hot/Cold water supply 400V/50/3/N/PE 400V/50/3/N/PE 400V/50/3/N/PE 400V/50/3/N/PE 230V/50/1/N/PE* 230V/50/1/N/PE* 230V/50/1/N/PE* 230V/50/1/N/PE* 230V/50/1/N/PE** 230V/50/1/N/PE** 230V/50/1/N/PE** 230V/50/1/N/PE** 3,6 (15,9A)* / 7,7 (15,9A) 3,6 (15,9A)* / 7,7 (15,9A) 3,6 (15,9A)* / 7,7 (15,9A) 3,6 (15,9A)* / 7,7 (15,9A) 1x16* / 3x16 1x16* / 3x16 1x16* / 3x16 1x16* / 3x16 2,9 (12,9A)** / 5,6 (24,9A)** 2,9 (12,9A)** / 5,6 (24,9A)** 2,9 (12,9A)** / 5,6 (24,9A)** 2,9 (12,9A)** / 5,6 (24,9A)** 1x13**/ 1x25** 1x13**/ 1x25** 1x13**/ 1x25** 1x13**/ 1x25** 254 / 7,5 (230 / 6,22) 254 / 7,5 (230 / 6,22) 254 / 7,5 (230 / 6,22) 254 / 7,5 (230 / 6,22) 2,05 (8,9A)* / 6,15 (8,9A) 2,05 (8,9A)* / 6,15 (8,9A) 2,05 (8,9A)* / 6,15 (8,9A) 2,05 (8,9A)* / 6,15 (8,9A) Hot/Cold water supply 1,36 (5,9A)** / 4,1 (17,8A)** 1,36 (5,9A)** / 4,1 (17,8A)** 1,36 (5,9A)** / 4,1 (17,8A)** 1,36 (5,9A)** / 4,1 (17,8A)** Booster total volume [l]: 8 8 8 8 Booster useable volume [l]: 5 5 5 5 Water consumption/cycle [l]: 3 3 2,5 (4l Program III) 3 Rinse time [s]: 8 8 8 8 Booster temperature (Fill start) [°C]: 85 85 75 85 Booster temperature (Stanby) [°C]: 70 70 65 75 Booster temperature (Rinse) [°C]: 80 80 65 80 Tank heating [V]/[W]: 230 / 0,8 (254 / 0,975) 230 / 0,8 (254 / 0,975) 230 / 0,8 (254 / 0,975) 230 / 0,8 (254 / 0,975) Tank volume filling [l]: 12 (3x4l) 12 (3x4l) 12 (3x4l) 12 (3x4l) Tank volume [l]: 11 11 11 11 Tank temperature [°C]: 65 65 60 65 Tank temperature (Standby) [°C]: 65 65 55 65 588 / 2,67 588 / 2,67 588 / 2,67 588 / 2,67 350 350 350 350 0,7 - 0,75 0,7 - 0,75 0,7 - 0,75 0,7 - 0,75 65 / 0,6 65 / 0,6 65 / 0,6 65 / 0,6 20-25 20-25 20-25 20-25 Wash pump operating point: Wash pump power [W]/[A] Flow rate [l/min.] Flow pressure [bar]: Drain pump operating point: Drain pump power [W]/[A] Flow rate [l/min.] Water connection: Required flow pressure [bar]: 0,5-10 0,5-10 0,5-10 0,5-10 Cold-/Warm water [°C]: max. 60 max. 60 max. 60 max. 60 Lower / Upper wash: Quantity of jets 8 8 8 8 Jet pressure [bar]: 0 0 0 0 Lower / Upper rinse: Quantity of jets Jet pressure [bar]: Page / NUC 8 8 8 8 0,18 - 0,22 0,18 - 0,22 0,18 - 0,22 0,18 - 0,22 © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Comparison Profi / Premax PROFI PREMAX 2 years 2 years X X X (PP30GF) X (CrNi) X X Rinse aid pump SEKO SAIER Detergent pump SEKO SAIER Drying cycle ------- X Status of the filling cycle ------- X Color code indication on handle ------- X Added hygiene cycle ------- X Acoustic signal ------- X X X Wash arms PP PP Rinse arms CrNi CrNi Foil Blue Grey Endless program ------- X Additional Hygiene program (with Tabs) ------- X X X Integrated Rinse aid container with level control ------- X Integrated detergent container with level control ------- Option Waranty (not wear parts) Genius X Tank strainer Magnet at the strainer Softener (as Option) Softstart Wash pump Dimensions 1046 1086 600 40 425 640 299* 299* 820* 425 600 = + 80 mm adjustable feet FX / FP / GX / GP © HOBART GmbH, Service Training Center FXL NUC / Page SERVICE TRAINING CENTER Installation Electrical connection – The machines will be supplied as standard with cable H07RN-F 5G 2.5 mm2 for three-phase connection (400/50/3/N/PE). At single phase machines (alternative) life is connected to L1. – If the machine shall be operated at 230 Volt (single phase), the connections of the wire bridges at the booster heating elements and at the connecting terminal have not to be changed (see wiring diagram). Possible connections see below. – According to EN 60 335 the appliance must be connected to an equipotential conductor. The connecting screw ( ) is located beside the cable inlet. Voltage 400V / 50Hz / 3 / N / PE 230V / 50Hz / 1 / N / PE Booster 6.15 kW 1.38 kW Tank 0.8 kW 0.8 kW 230V / 50Hz / 1 / N / PE 2.07 kW 0.8 kW 4.15 kW 0.8 kW 230V / 50Hz / 1 / N / PE Control circuit: 230 V / 50 Hz / 1 / N / PE Wash pump 0.59 kW 0.59 kW P total 7.7 kW 2.9 kW I (A) 15.9 A 12.9 A Fuse protection 3 x 16 A 1 x 13 A 0.59 kW 0.59 kW 3.6 kW 5.6 kW 15.9 A 24.9 A 1 x 16 A 1 x 25 A Water connection The machines must be operated with potable water. For water with an extremely high mineral content an external demineralisation is strongly recommended. Ideal conductivity value for washware made of stainless steel 80 μS/cm, for glasses 100 µS/cm and for dishes 200 to 400 μS/cm – Machines without softener: The machine should be connected to soft and if possible warm water (up to 3 °dh = 0.5 mmol/l, max. 60°C). – Machines with softener: The machine should be connected to warm water if possible (max. 60°C). – Line flow pressure 0.5 – 10 bar. Important: the line flow pressure must not be less than 0.5 bar. If the line flow pressure is above 10 bars provide pressure reducer at source. a – Connect the union nut "A" (3/4") of the water supply hose to the site shut off valve. Do not kink or cut the supply hose. Eventually needed extension has to be provided with a suitable pressure hose (e.g. 324088-1). Drain connection – Do not kink the drain hose. Page / NUC max. 0.75 m – Connection between machine and site drain must not exceed the specified height of max. 0.75 m. © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Controls – FX / GX 3 1 Machine ON Cycle START DRAIN 5 2 8 1 7 6 4 Pushing this button switches the dishwasher on. As soon as the machine is ready for operation, the wash cycle is started by pushing this button. By pushing and holding (3 s) this button, the drain and self cleaning cycle starts. Once the drain cycle has completed the machine switches off automatically. After switch off, the machine is not voltage free! The button illuminates to indicate the mode of the machine: GREEN (flashing) = machine fills and starts heating GREEN (permanent) = machine is ready for operation BLUE (permanent) = wash cycle is running BLUE (flashing) = machine draining / switch-off RED (permanent) = critical failure GREEN/RED (alternate flashing) = noncritical failure 2 Program button Pushing this button selects different preset wash programs, according to the model. The program number appears in the rinse temperature display. 3 Stop button In case of operating error or faults, it is possible to switch-off the machine immediately without the drain cycle, by pushing this button. After switch off, the machine is not voltage free! 4 Temperature Wash (°C) 5 Temperature Rinse (°C) Temperatures are only displayed when the program button is pushed for minimum 3 seconds. The indicators go out 10 seconds after releasing program button. Permanent temperature display can be activated ( set U02 S15 to "1" ). 6 Salt required Indicates the need for regeneration salt to be added. (Only with built-in softener.) 7 Service indicator This symbol indicates that the dishwasher has developed a fault. In the rinse temperature display appears a code (see page 15). When the service counter activates, this symbol illuminates after a preset number of wash cycles. 8 Service button Reserved for additional functions. © HOBART GmbH, Service Training Center NUC / Page SERVICE TRAINING CENTER Controls – FP / GP 4 1 Machine ON Cycle START DRAIN 2 3 1 9 8 6 10 7 5 Pushing this button switches the dishwasher on. As soon as the machine is ready for operation, the wash cycle is started by pushing this button. By pushing and holding (3 s) this button, the drain and self cleaning cycle starts. Once the drain cycle has completed the machine switches off automatically. After switch off, the machine is not voltage free! The button illuminates to indicate the mode of the machine: GREEN = machine is ready for operation BLUE = wash cycle is running RED (permanent) = critical failure GREEN/RED (alternate flashing) = noncritical failure The status of the program is indicated by the color change of the four button segments: increasingly GREEN Filling decreasingly GREEN Draining from BLUE back to GREEN Washing a rotating blue segment on a green background Drying 2 Program button Pushing this button selects different preset wash programs, according to the model. The program number appears in the rinse temperature display. 3 Drying / Service button By pushing this button the automatic drying process will be activated/ deactivated. 4 Stop button In case of operating error or faults, it is possible to switch-off the machine immediately without the drain cycle, by pushing this button. After switch off, the machine is not voltage free! 5 Temperature Wash (°C) 6 Temperature Rinse (°C) 7 Salt required Indicating the need for regeneration salt to be added (only with built-in softener). 8 Rinse aid indicator Indicates rinse aid deficiency (integrated rinse aid container). 9 Hygiene indicator Indicates that a hygiene cleaning should be carried out (see chapter 5.4). 10 Service indicator Page / NUC Temperatures are only displayed when the program button is pushed for minimum 3 seconds. The indicators go out 10 seconds after releasing program button. Permanent temperature display can be activated ( set U02 S15 to "1" ). This symbol indicates that the dishwasher has developed a fault. In the rinse temperature display appears a code (see page 15). When the service counter activates, this symbol illuminates after a preset number of wash cycles. © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER First run / Customer Menu Initial fill of the rinse booster On delivery, the switching function S28 (first booster filling) is set to "0". There is no menu "boF". As the booster is controlled by a pressure transmitter, no initial fill must be carried out. Therefore the booster heating is not locked. Requirement: Machine "OFF" and door open Push the program and stop button at the same time. Select function with the program button. temperature display parameter range 8 C16 0-50 s CH2 9 C18 0-50 s 3 Detergent dosage "fill and dump" program (cold 1) CH3 9 C19 0-50 s 4 Detergent dosage cold 2 CH4 – C20 0-50 s rinse wash 1 Detergent dosage CH1 2 Rinse aid dosage Set values with the start button. 5 Water hardness adjustment Set value with the start button (basic setting H04). H01 = up to 7°dh / H02 = 8 to 14°dh / H03 = 15 to 21°dh / H04 = 22 to 30°dh To initiate a manually regeneration with the next wash cycle press the stop button for 3 seconds (confirmed by the flashing water hardness indication). H01 - H04 C60 - C63 Hereby the softener function will be set to initial condition. (With next wash cycle automatically resin B will be regenerated.) 6 Wash cycle counter Reset to "0" only via basic data (service technician). PXX XXX C73 + C74 0-999999 7 Water consumption counter Reset to "0" only via basic data (service technician). EXX XXX C77 + C78 0-999999 8 Remaining water quantity counter for external water treatment dXX XXX C79 + C80 0-999999 To reset the counter to pre-set value, press start button for 3 seconds. S18 CLOSE THE DOOR 9 Hose priming detergent By pushing the start button the relay will be activated for 30 seconds. SF1 --0/--1 0/1 10 Hose priming rinse aid By pushing the start button the relay will be activated for 60 seconds. SF2 --0/--1 0/1 11 Acoustic signal (FP/GP models only) By pushing the start button acoustic signals will be activated ("1") or deactivated ("0"). There are 3 different signals: end drying: 1 x 2.0s "ON" noncritical failure: 2 x 0.5s with 0.5s pause critical failure: 5s continuous signal S S S24 0/1 --0/--1 If no button is pushed during next 10 seconds, the indicator switches itself off and the new settings will be saved. To quit the menu : point 1 to 5 – close the door, point 9 to 11 – open the door. © HOBART GmbH, Service Training Center NUC / Page SERVICE TRAINING CENTER Hydraulic schematic and Components without Softener M6 M7 9 S8 5 S1 10 S2 4 Y1 3 5 l/min 2 1 10 B3 9 P B4 P S4 M1 E2 B2 6 M3 B1 M5 DRAIN E1 M4 S7 B1 Temperature sensor booster B2 Temperature sensor tank B3 Pressure transmitter booster B4 Pressure transmitter tank E1 Booster heating E2 Tank heating M1 Wash pump M2 Rinse PRESSURE pump M3 Rinse aid dISPENSER M3 Rinse aid dISPENSER M4 Detergent dISPENSER M4 Detergent dISPENSER M5 Drain pump M6 Dryer fan 1 M3 Dryer fan 2 S1 reed-switch – door S2 AIRGAP Impeller 1) S4 reed-switch – strainer S7 reed-switch – detergent S8 reed-switch – rinse aid Y1 Solenoid valve – fill Page 10 / NUC M2 01-240201-1 01-240201-2 775866-2 775866-2 01-240135-2 01-240247-1 01-240005-1 01-240234-1 775556-11 01-240195-1 775556-12 01-240195-2 01-240010-1 01-240270-1 01-240271-1 01-240288-1 01-240202-2 01-240288-1 01-240288-1 01-246164-1 1 Water supply hose 2 Strainer – fill valve 3 Flow control 5 l/min – fill valve 4 Hose – Y1 to airgap 5 Water inlet Airgap 1) 6 booster 9 Wash arm 10 Rinse arm 01-240135-2 01-240050-1 01-240084-3 775540-1 1) Airgap cpl. Note: "GREEN" parts are only installed at FP/GP models. © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Hydraulic schematic and Components with Softener M6 M7 9 S8 5 S1 S2 10 4 Y1 3 5 l/min 2 1 10 B3 S4 9 P P 1 2 B4 E2 B2 M1 6 Y4.2 8 M5 DRAIN M4 7B S3 B1 E1 7A M3 M2 Y3.1 S7 Y4.1 Y3.2 B1 Temperature sensor booster B2 Temperature sensor tank B3 Pressure transmitter booster B4 Pressure transmitter tank E1 Booster heating E2 Tank heating M1 Wash pump M2 Rinse PRESSURE pump M3 Rinse aid dISPENSER M3 Rinse aid dISPENSER M4 Detergent dISPENSER M4 Detergent dISPENSER M5 Drain pump M6 Dryer fan 1 M3 Dryer fan 2 S1 reed-switch – door S2 AIRGAP Impeller 1) S3 salt deficiency switch 2) S4 reed-switch – strainer S7 reed-switch – detergent S8 reed-switch – rinse aid © HOBART GmbH, Service Training Center 01-240201-1 01-240201-2 775866-2 775866-2 01-240135-2 01-240247-1 01-240005-1 01-240234-1 775556-11 01-240195-1 775556-12 01-240195-2 01-240010-1 01-240270-1 01-240271-1 01-240288-1 01-240202-2 01-240288-1 01-240288-1 Y1 Solenoid valve – fill Y3.1 Valve Resin A 2) Y3.2 Valve Resin B 2) Y4.1 Valve resin B/A 2) Y4.2 Valve drain/booster 2) 1 Water supply hose 2 Strainer – fill valve 3 Flow control 5 l/min 4 Hose – Y1 to airgap 5 Water inlet Airgap 1) 6 booster 7 RESIN 2) 8 SALT CHAMBER 2) 9 Wash arm 10 Rinse arm 01-246164-1 775540-1 775530-2 1) 2) Airgap cpl. Softener cpl. 01-240135-2 01-240050-1 01-240084-3 Note: "GREEN" parts are only installed at FP/GP models. NUC / Page 11 SERVICE TRAINING CENTER Airgap with built-in impeller switch Ball – to avoid blocking of the nozzle The reed-switch on the small PCB S2 775540-1 is actuated by the impeller magnet. The impeller monitors the incoming water flow by counting impulses and then relaying that information back to the main PCB. 1. Water consumption counter C77 + C78 2. Remaining water quantity counter for external water treatment C79 + C80 + S18 The count rate is 200 impulses per litre. Filling container Impeller Nozzle Airgap Regeneration container. Will be filled up continuousely during filling. Nozzle Container overflow Connection for filling supply Overflow into wash tank camber Connection: machines without softener – filling into booster machines with softener – filling into softener Connection to regeneration Machines without softener this is blanked off (plug 775531-1). Water flow To avoid incrustations, the fill valve is activated during stand-by every 20 minutes for a short time to humidify the nozzles inside the airgap. (Parameter S45 set to "1"). Page 12 / NUC © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Pressure transmitter 775866-2 – Booster / Tank Legend to cross-section drawing 1 Pressure connection 2 3-pin connector 3 Diaphragm 4 Ceramic lever with amplified electronics 5 Robust glass base plate Technical overview The type 400 series pressure transmitter, with its proven ceramic lever technology, has calibrated temperature compensated sensor signals and is available with a voltage output. The (VDC) voltage output is an amplified, linear signal suitable for direct processing in electronic control systems. The sensors are ideal for continuous level measurement in dishwashers. Pressure ranges 0 – 50 mbar Linear characteristic line up to min. 3.65 V at 5 VDC power supply Installation arrangement Diaphragm horizontal, pressure connection and electrical connections downward Overload 200 mbar Pressure connection Hose connectors Ø 6.2 mm NOTE The transmitter changes the upcoming pressure into DC voltage which will be processed by the control as water level message. If there is no fault, the voltage value can be displayed via the service diagnostics F03 (fill level booster) / F04 (fill level wash tank) or via switching function S56 (set to 1). Pressure transmitter tank F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 AL malfunction Switch on/off level tank heating Reserve Fill indication 2 Drain 1 Tank full UL OFF UL ON Drain 2 Drain 3 range step Tank level control during the drain cycle Switch-on/-off point tank heating -------------------------------Status indication (button segments) fill cycle (FP/GP only) Switch-off point intermediate drain Switch-off point fill cycle Switch-off point – overflow control Switch-on point – overflow control Intermediate drain cold water rinse not used 0.5 -3.5 V 0.5 -3.5 V x 0.5 -3.5 V 0.5 -3.5 V 0.5 -3.5 V 0.5 -3.5 V 0.5 -3.5 V 0.5 -3.5 V 0.5 -3.5 V 0.01V 0.01V x 0.01V 0.01V 0.01V 0.01V 0.01V 0.01V 0.01V -------------------------------Switch-on/-off point booster heating Level control – booster fill off Level control – booster fill on -------------------------------Switch-on/-off hysteresis pressure transmitter x 0.5 -3.5 V 0.5 -3.5 V 0.5 -3.5 V x 0.5 -3.5 V x 0.01V 0.01V 0.01V x 0.01V Pressure transmitter booster F21 F22 F23 F24 F25 F26 Reserve Booster heating on/off Fill OFF Fill ON Reserve Regulation hysteresis pressure © HOBART GmbH, Service Training Center NUC / Page 13 SERVICE TRAINING CENTER pumps pump UNIT Complete 01-240005-1 (Wash and Drain pump) The pump unit consists of wash pump (circulating pump) with housing and the drain pump, fixed to the pump housing with a bayonet catch. The motor unit "circulating pump" consists of motor with flange, mechanical shaft seal, impeller and capacitor. A non return flap (called Flipper) allows the draining of the pump cycle. The pump housing will be fixed to the wash tank with the nut 01-240066-1 (special tool needed). During wash cycle, the wash liquid is distributed to the upper and lower wash arm. The back flowing wash liquid is passing a filter system and enters the wash pump via an integrated intake strainer, from the outside annular space of the suction unit via the main duct. Drain system: Used for partial draining of the soiled wash liquid during wash cycle or for the complete draining of the wash tank. The water flows through the central openig of the suction unit via the second duct to the drain pump. An expansion opening provides the emptying of the clearances. Pressure-side the soiled wash liquid will enter the drain via a hose system. Technical data Circulating Pump Drain Pump Delivery rate 350 l/min 20 - 25 l/min Pressure 0.5 bar (max. 1.5 bar) Voltage 220 - 240 V 220 - 240 V Power 588 W 65 W Frequency 50 Hz / 60 Hz Degree of protection IP 00 Overheating protection integrated self resetting thermal cut-out Capacitor Delivery height 8 µF max. 0.75 m (at the end of hose system) Special tool 01-240303-1 Needed to loosen the nut of the intake unit (tightening torque 50 Nm). 1 01-240186-1 bumper 1 2 01-240091-1 pump motor cpl. 3 01-240066-1 nut suction unit 4 01-240178-1 flat gasket 3 5 6 01-240395-1 flipper cpl. (01-240007-12 and 01-240007-22) 2 7 01-240393-1 pump housing cpl. 8 01-240010-1 drain pump 4 5 6 322791 crimp terminal (Molex) 322792 crimp contact (Molex) 7 catch has to be loosen for dismantling Page 14 / NUC screw flipper (DIN 7983-ST4.2 DIN 7983-ST 4; 2X13) Gasket support (01-240296-1) to compensate gasket (01-240178-1) heat extension © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER PUMPS Wash pump M1 / Soft start An electric motor without soft start accelerated with full performance and supplies thereby the highest torque from the stop. In order to avoid high wash pressures when starting the pump, all models (FX/GX and FP/GP) are equipped with a soft start. With the wash pump the soft start is realized by a triac during a time period of approx. 10 seconds. This run-up takes place in four time periods. Four power levels are dedicated to the four time periods. After this time relay 1 bridges the triac, and the wash pump will run in "normal operation". The soft start function / wash pump function is directly disengageable via the door switch contact. triac Soft Start 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% P1 P2 P3 P4 t1 t2 t3 t4 start wash pump relay 1 "on" triac off Rinse pump M2 01-240234-1 Delivery rate 50 l/min / 115 l/min (with drain open) Voltage 220-240 V Frequency 50 Hz Current 0.6 A Power 0.14 kW Capacitor 4.0 µF / 400V rinse temperature 80 - 85°C rinse time C06 average value / l 7.5 s 2.5 8.0 s 2.8 8.5 s 2.9 9.0 s 3.1 9.5 s 3.2 10.0 s 3.4 10.5 s 3.5 11.0 s 3.6 © HOBART GmbH, Service Training Center NUC / Page 15 SERVICE TRAINING CENTER Ventilation and Non-Return valve Description The "Ventilation/Non-return valve" contains the ventilation valve cpl. 01-240145-1, with lock nut 01-240144-1, ball 324313-3 and gasket to be fitted to the wash tank. Non-return valve: The wash out water (reclaim) from the softener flows with min. 5l/min via the non-return valve into the drain. The ball inside the valve prevents backflow of the soiled water into the softener. Ventilation valve: Soiled water flows via the drain pump M5 (20-25l/min; 0.06 .. 0.1 bar) through the ventilation valve into the drain. During emptying, a ball inside the valve closes the inlet to the wash tank and prevents at negative pressure, the draining of the wash tank. 01-240142-1 Service Kit ventilation / non-return valve 01-240145-1 ventilation valve, complete 323313-3 lock nut 324313-2 ball (non-return valve) 324313-3 ball (ventilation valve) 276903-52 o-ring Wash arms 01-240050-1 / Rinse arms 01-240847-3 screw to loosen the wash/rinse arms axle mechanical shaft seal nozzle cleaning screwing Page 16 / NUC 774072-2, 774072-1, 774072-7 teflon washer diaphragm at lower wash arm base milled screw © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Dryer ("Premax" models only) Complete 01-240260-1 Description The fan unit consists of the main fan (M6) to transport humid air out of the dishwasher and a second fan (M7) to provide ambient air for mixture with humid air stream to lower temperature and relative humidity at the exhaust. Both fans are assembled tight to an air duct. The fan motor (M6) is located outside the duct, a reliable sealing of the shaft is required. The air duct has two built in ventilation flaps (closed by gravity) located near at each fan’s pressure side, preventing unwanted vapor flow and retaining splash water of wash cycle. The duct declines towards the fan (M6) to lead condensed water back into the wash tank. The duct is also declined to the front of the machine, in order to direct the air stream downwards. m6 BlOWeR fAN veNTIlATION flAP AIR mIxING CHAmBeR exHAuST DuCT exHAuST WATeR STOP CONDeNSATe DRAINS RACK WITH DISHeS DOOR GAP DefleCTOR WATeR level © HOBART GmbH, Service Training Center STRAINeR NUC / Page 17 SERVICE TRAINING CENTER Dryer ("Premax" models only) Technical Data View wash chamber Special tool (01-240303-1) needed to loosen the bayonet nut Unscrew for service and cleaning. Drying control A5 (01-240262-1) connected with A1. Attention: Voltage (230V) present at heat sinks! Exhaust Collecting pan Air flow rate Fan M6 - 01-240270-1 100-120 m3/hr (high speed) 20- 40 m3/hr (low speed) Fan M7 - 01-240271-1 40- 50 m3/hr Page 18 / NUC © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Dryer ("Premax" models only) Drying operation During filling (S54 "1"): – At the end of each fill step [C48]: The wash pump will be switched on via soft start for 10 seconds [C53]. (The machine interior will be heated up.) – At the end of the last fill step [>F16]: After a break of 30 seconds [C31], fan M7 will be switched on for 60 seconds [C37]. – Door opened during fill cycle (wash pump running): wash pump stops and will be restarted as described above, after the next rinse cycle [C48]. – Door opened during fill cycle (dryer running [C31/C37]): times stop and will elapse after closing the door. dry "On" [S55 "1"]: – If the drying process is interrupted by opening the door within time frame [C26/C27], these times keep running. When the door is closed again before times have elapsed, M7 will be started for the remaining time period. – If the drying button is pushed (drY "OFF") during drying is running, drying continue until end of time period [C27]. dry "OFF" (S23 "1"): – In the program sequence, M7 will be activated during rinse time. – At the end of the program: After a break of 5 minutes [C33] M7 will be activated for 60 seconds [C37]. Stand-by (S55 "1"): During stand-by, M7 will be switched on every 30 minutes (fixed value) for time [C37]. Requirement: Machine "ON" and door "closed". With door "open" within time [C37] the fan is switched off, time [C37] will be stopped and continued after closing the door. NOTE: With the start of a wash program all drying functions will be switched off. © HOBART GmbH, Service Training Center NUC / Page 19 SERVICE TRAINING CENTER Detergent / Rinse aid dispenser FP/GP dispensers Detergent (01-240195-2): delivery rate 3.0 l/hr / 500 rpm / 4.9 W Rinse aid (01-240195-1): delivery rate 1.3 l/hr / 500 rpm / 4.9 W hose inside 01-240195-12 01-240195-11 FX/GX dispensers Detergent (775556-12): delivery rate 3.0 l/hr Rinse aid (775556-11): delivery rate 0.4 l/hr seperate hose inside 775608-2 775608-1 Pre-adjusted values: All models – detergent CH1: "8" = 8 s ≈ 2.66 g/l (possible range 0-50 s ≈ 0-16.6 g/l) FX/GX – rinse aid CH2: "9" = 9 s ≈ 0.40 g/l (possible range 0-50 s ≈ 0-2.2 g/l) FP/GP – rinse aid CH2: "4" = 4 s ≈ 0.53 g/l (possible range 0-50 s ≈ 0-6.6 g/l) Detergent dosage Rinse aid dosage Pre-dosing is activated simultaneous with rinse pump M2. Pre-dosing is activated after the end of the fill cycle. Wash dosing is activated simultaneous with the wash pump. Wash dosing is activated after the end of rinse cycle. TIMES C15 C16 C17 C18 C19 C20 First dosage detergent Wash dosage detergent 1 First dosage rinse aid Wash dosage rinse aid 1 Wash dosage detergent 2 Wash dosage detergent 3 Pre-dosing of detergent during fill program. Detergent dosage time during the wash program (CH1) Pre-dosing of rinse aid into booster (after the end of the fill program) Rinse aid dosage time after the end of the wash program (CH2) Detergent dosage during wash program (cold water rinse) / F&D during rinse Detergent dosage during wash program (e.g. cold water rinse GXN K) Rinse aid container 1 L (Premax models) Hinged cover can be removed for service. range step 0 - 100 0 - 50 0 - 100 0 - 50 0 - 50 0 - 50 1s 1s 1s 1s 1s 1s Additional rinse aid container (1 L), controlled via reed switch (activated when level drops) (all Premax models) Detergent injector Rinse aid injector NOTE: With Premax models an additional detergent container (2.5 liter) is optionally available. Page 20 / NUC © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Booster / tank / temperature sensors Technical data see page 4. booster overflow / ventilation BOOSTER air trap kit no: 01-240372-1 (o-ring 276903-50 incl.) rinse aid connection booster heating E1 01-240135-2 with tube for temperature sensor B1 o-ring 01-240135-11 booster fill booster drain rinse pump connection TANK - left hand view air trap kit no: 01-240372-1 (o-ring 276903-50 incl.) tank heating E2 01-240247-1 temperature sensor B2 Temp. sensor Booster B1 Tank B2 Part No. 01-240201-1 01-240201-2 Temperature range: min. – 40°C max. + 125°C Possible faults see page © HOBART GmbH, Service Training Center Temperature °C 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 R nominal kΩ 28.88 22.96 18.38 14.81 12.01 9.81 8.04 6.64 5.51 4.59 3.88 3.24 2.74 2.33 1.99 1.71 1.46 1.26 Temp tolerance Temp tolerance + °C – °C 0.78 – 0.81 0.75 – 0.78 0.73 – 0.75 0.71 – 0.72 0.67 – 0.69 0.64 – 0.66 0.61 – 0.62 0.58 – 0.59 0.55 – 0.55 0.52 – 0.52 0.48 – 0.48 0.44 – 0.44 0.51 – 0.51 0.57 – 0.57 0.63 – 0.64 0.71 – 0.71 0.77 – 0.78 0.84 – 0.85 NUC / Page 21 SERVICE TRAINING CENTER DOOR – Details FP/GP only hinge cover 01-240194-1 cable for handle illumination gas spring 01-240229-1 DOOR CLOSED A B left hand view right hand view DETAIL "A" door open Mounting parts: washer 602286 circlip 602950 Page 22 / NUC DETAIL "B" door open Mounting parts: slide bearing 01-240204-1 safety bolt 01-240236-1 © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Softener * To the drain Booster / Drain Y4.2 Resin A Resin B from fill valve Salting Y3.2 to salt chamber Y3.1 Salting resin A Booster Switch valve Y4.1 Lack of salt S3 Booster overflow into tank Special tool* softener wrench 775403-1 from fill valve from Airgap container Resin B Resin B/A to the drain 6 8 For the first run, the softener has to be filled with regeneration salt and potable water. y4.2 resin b resin a Salt consumption per regeneration: approx. 50 g water hardness up to 7°dh 8 to 14°dh 15 to 21°dh 22 to 30°dh adjustment H01 H02 H03 H04 Parameter: number of salt fillings C84 number of wash cycles with salt deficiency C85 e1 y3.1 y4.1 Salt capacity: max. 2 kg (coarse grained, max.10 mm – no tablets) y3.2 Y 3.1 Y 3.2 Y 4.1 Y 4.2 b1 Switching function: S05 = "1" = Salting resin A = Salting resin B = Switching resin A / B = Switching Drain / Booster de-energized = switched to drain energized = filling into booster Softener Test program Selecting the test program Requirement: Machine has to be switched "OFF" and the door must be open. Push and hold program and service button (dryer button) together. U01 appears automatically in the rinse temperature display. Select softener test program U03 by pushing the stop button . To enter U03 push the start button. The start button illuminates GREEN while the test program is running. Once the test sequence has completed, the start button will switch off. Softener test sequence see next page. © HOBART GmbH, Service Training Center NUC / Page 23 SERVICE TRAINING CENTER Salting "b" into booster 5s 8 Softener test sequence Salting "a" into booster 5s 7 3s 3s 0.5 s 2x filling "b" into drain 3s 5&6 50 pulses S2 50 pulses S2 0.5 s 3s 0.5 s 2x filling "a" into booster 3s 3&4 50 pulses S2 50 pulses S2 0.5 s 3s reSerVe Pot. free ContaCt 1 rl17 Pot. free ContaCt 2 rl18 Pot. free ContaCt 3 rl19 Start a2/4 res Pfk1 Pfk2 Pfk3 3s STEP 1 WATER FLOW valve actuated valve not act. Y1/Y4.2 Y4.1 IMPULSES rl16 rl15 reSerVe res rl14 drain-booSter y4.2 rl13 filling b-a y4.1 rl12 Salting "b" y3.2 rl11 Salting "a" y3.1 rl10 booSter heating e1 rl09 rinSe PumP m2 rl08 drain PumP m5 rl07 fill ValVe y1 rl06 rinSe aid diSP. m3 rl04 detergent diSP. m4 rl05 (drying 1) (m6) rl03 (drying 2) (m7) rl01 e2 rl02 waSh PumP tank heating m1 teSt CyCle running relay 0.5 s green Softener teSt Program 50 pulses S2 StePS 2x filling "b" into booster 0.5 s 1&2 50 pulses S2 NOTES 50 Filling via resin B into booster (booster overflow) 3 secs pause 2 Y1/Y4.2 Y4.1/Y4.2 50 Filling via resin B into booster (booster overflow) 3 secs pause 3 Y1/Y4.1/Y4.2 50 Filling via resin A into booster (booster overflow) 3 secs pause 4 Y1/Y4.1/Y4.2 50 Filling via resin A into booster (booster overflow) 3 secs pause 5 Y1 Y4.1/Y4.2 50 Filling via resin B into drain (water from drain hose) 3 secs pause 6 Y1 7 Y3.1/Y4.2 8 Y3.2/Y4.2 Page 24 / NUC Y4.1/Y4.2 50 Filling via resin B into drain (water from drain hose) 3 secs pause Salting via resin A into booster (water level in airgap lowers) 3 secs pause Salting via resin B into booster (water level in airgap lowers) © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Hygiene Cleaning ("Premax" models only) After reaching a pre-set number of wash cycles (parameter [C71] = 1000) the Hygiene indicator "HYG" lights up to indicate that an automatic hygiene cleaning of the machine interior should be carried out. – Before end of operation: Take out rack and put one HOBART-Hygiene-Cleaner Tab into the machine interior. – Close the door. – Push program button repeatedly until the upper Display shows "H". – Push start button. During the Hygiene program is running (duration 6 minutes) the green illuminated segments go out one after the other. At the end of the cycle the machine switches off automatically. If necessary hygiene cleaning should be carried out before reaching the pre-set number of wash cycles. With regular use the machine interior will remain free of food debris and deposits. Functional description – Switching function [S19] has to be activated "1". – Machine ON and door closed. – Hygiene cleaning "H" selected. When the start button is pressed, the tank will be completely drained (approx. 50 seconds). Simultaneously the standard filling program (booster filling, booster heating, rinse pump, etc.) will be started, without pre-dosing of detergent / rinse aid. If tank level [F16] is reached, the wash pump will be started (6 minutes) for circulation of the tank water. When the wash cycle is completed, the self cleaning program will be started. After the end of the Hygiene program, the control switches off and parameter [C71] will be reset to the adjusted wash cycle number. Auto Check When the machine is switched on, an automatic check will be carried out. Following components are checked for short / open circuit. – – – – temperature sensor temperature sensor pressure transmitter pressure transmitter B1 B2 B3 B4 booster tank booster tank B1 / B2 = temperature range 0 - 100°C. B3 / B4 = input voltage min. 0.3V, max. 4.0V In case of fault: – the service indicator lights up – the rinse temperature display indicates the type of fault – the wash temperature display indicates the cause of fault © HOBART GmbH, Service Training Center (F01 / F02 / F03 / F04). (- - 1 = short circuit / - - 2 = open circuit) NUC / Page 25 SERVICE TRAINING CENTER Faults In case of an uncritical fault everything can be started (fill, wash and drain program). During the fill program, uncritical faults are only indicated by the indicator lights and error codes (none red/green flashing start button). In case of a critical fault only the drain program can be started. The fill program and the wash programs are locked. Uncritical Faults INDICATOR Rinse Wash The start button is flashing GREEN/RED alternately. Lamp FAULT PARAM. AL Drain fault Level switch value [F11] still exceeded at the end of the drain cycle. To reset, repeat drain program until value is below [F11]. F11 HEI Thermostop The thermostop time [C25] is exceeded. Reset via machine "OFF-ON". C25 S02 CH1 / CH2 Chemical deficiency Detergent deficiency X12/3 "on" / rinse aid deficiency X12/4 "on". If both containers are empty, CH1/CH2 are displayed alternately. S06 SAL Salt deficiency Softener salt deficiency indication – X13/5 "on" / A2/12 "on". (only if softener [S05] = "1"). S05 d0 External water treatment (option) Only if activated in service mode [S18]. The preset water quantity [C79] + [C80] is reached (reverse counter). For reset see customer menue. C79/C80 S18 Critical Faults INDICATOR The start button illuminates RED. Rinse Wash* Lamp FAULT F01 --1/ --2 Temp. sensor booster B1 Booster heating RL10 will be switched off immediately. Fill and wash program is locked, drain program can be started F02 --1/ --2 Temp. sensor tank B2 The thermostop time [C25] is exceeded. Reset via machine "OFF-ON". F03 --1/ --2 Pressure transmitter booster B3 Control of input voltage X14/7 – min. 0.3V up to max. 4.0V. If the input voltage is out of range, the running program will be stopped. The drain program can be started. F04 --1/ --2 Pressure transmitter tank B4 Control of input voltage X14/10 – min. 0.3V up to max. 4.0V. If the input voltage is out of range, the running program will be stopped. The drain program can be started. --3 Pressure transmitter tank B4 The max. water quantity [C82] is exceeded and value [F16] not yet reached. Only "draining" possible. C82 F16 Strainer control Tank strainer not correctly positioned. Reed-switch S4 (X13/7) more than 5 seconds "off". Start of fill and wash programs is locked automatically. S38 SIE PARAM. S39 FIL --1/ --2 Fill 1 The fill valve Y1 (RL7) is triggered and the impeller switch S2 does not count (no impulses on X14/3). Reset via input impulses on X14/3 or machine "OFF". FIL --1/ --2 Fill 2 Exceeded fill time [C43]. The fill valve Y1 (RL7) and all other outputs will be switched off immediately. Reset via machine "OFF". C43 Overflow protection Requirement: machine "off" or "on" / door "open" or "closed" S1. F17/F18 S37 UL When [F18] is exceeded, a running program will be stopped after 5 seconds if [S37] = "1", or immediately if [S37] = "0". The drain pump RL8 will be switched on until [F17] is below preset value (UL disappears). A stopped program will not be re-started automatically. * F01/F02 : --1 = short circuit / --2 = open circuit F03/F04: --1 = > 4.0V / --2 = open circuit < 0,3V Page 26 / NUC © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Button functions sTArT button serVIce button proGrAm button sTop button Basic Operation / Customer Settings Basic operation STOP PROGR. SERVICE Machine ON Machine OFF X X Drain program >3s Program selection X Program start X Temperature display >3s Special programs Customer settings START X X X REQUIREMENTS DOOR Machine "off" Open-Close Machine "off" at any time Open-Close Start at any time Close Machine on / Fill program completed Open-Close Machine on / Fill program completed Close Temperature display for 10 seconds Open-Close Machine on / Fill program completed Open-Close Machine Off Open DISPLAY Booster Tank Detergent dosage CH1 value C16 Open Rinse aid dosage CH2 value C18 Open Detergent dosage Cold 1 CH3 value C19 Detergent dosage Cold 2 CH4 value C20 H01 - H04 1-3 Wash cycle counter P + C74 value C73 Water counter - Total E + C78 value C77 Water counter - Demi d + C80 value C79 Hose priming detergent SF1 0-1 Hose priming rinse aid SF2 S Hardness Select function with the program button. Set value with the start button. Open Open Open Reset only by Service. Open OPEN Reset by pushing the start button for 3 seconds. OPEN Close 0-1 Select function with the program button. Activate appropriate dosing pump with the start button. 0-1 Activate / deactivate acoustic signal with the start button. CLOSE CLOSE DOOR Acoustic signal Close NOTE: The "boF" menu (first booster filling) is not applied to machines with pressure transmitter (B3). In this case "CH1" is the first menu item. © HOBART GmbH, Service Training Center NUC / Page 27 SERVICE TRAINING CENTER Button Functions Service Diagnostics STOP PROGR. SERVICE X X X SERVICE DIAGNOSTICS START REQUIREMENTS DOOR Machine Off Open DISPLAY Close door (door switch test S1-X13/1) Rinse Wash S01 --0 S01 --1 (Start button illuminates green) Select appropriate input or output with the program button (door closed). Inputs test: X13/3 Impeller switch S02 --0 X13/5 Salt switch status S03 --0 salt container is filled / - - 1 when empty X13/7 Strainer S04 --0 strainer not in place / - - 1 X13/9 Reserve S05 --1 X13/11 Reserve S06 --0 X12/3 Detergent deficiency S07 --0 X12/4 Rinse aid deficiency S08 --0 Temperature sensor test: signal / - - 1 no signal of S2 0-100°C If display shows - - 1 = short circuit or - - 2 = open circuit X14/1-2 Temperature sensor booster F01 actual Temperature X14/3-4 Temperature sensor tank F02 actual Temperature Pressure transmitter test: 0.3 - 4.0V = OK / - - 1 = > 4.0V / - - 2 = open circuit < 0.3V X14/7 Pressure transmitter booster F03 voltage display (booster level) X14/10 Pressure transmitter tank F04 voltage display (tank level) Outputs test: The selected outputs can be activated with the start button. X0 Voltage supply Triac RL1.1 A00 --0 X1 Bypass Triac RL1 A01 --0 X2 Tabk heating E2 RL2 A02 --0 X3 Drying 1 M6 RL3+E01 A03 --0 Premax only X4 Drying 2 M7 RL4 A04 --0 Premax only X5 Detergent dosage M4 RL5 A05 --0 X6 Rinse aid dosage M3 RL6 A06 --0 X7 Fill valve Y1 RL7+RL14 A07 --0 X8 Drain pump M5 RL8 A08 --0 X9 Rinse pump M2 RL9 A09 --0 X10 Booster heating E1 RL10 A10 --0 X21/6 Softener - salt A Y3.1 RL11 A11 --0 X21/7 Softener - salt B Y3.2 RL12 A12 --0 only with built-in extension board X21/8 Fill B-A Y4.1 RL13 A13 --0 only with built-in extension board X21/9 Drain/booster Y4.2 RL14 A14 --0 only with built-in extension board X22/1-3 Reserve RL15 A15 --0 X23/1-3 Reserve RL16 A16 --0 X24/1-2 PFK1 RL17 A17 --0 only with built-in extension board X25/1-2 PFK2 RL18 A18 --0 only with built-in extension board X26/1-2 PFK3 RL19 A19 --0 only with built-in extension board Wash pump RL1+RL1.1 A20 --0 Grl - FF BAE --0 Soft start (C38-C41 + C87-C90) Handle lightning Operation unit test only with built-in extension board --0 EXIT the test program by opening the door (A1/S1). Page 28 / NUC © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Button Functions Machine type selection – Modification of basic data – Softener Test Program Requirement: machine "OFF" and door open. STOP PROGR. SERVICE START Push the program and service button at the same time. X X Select with the X* button the machine type, the basic data sheet or the test program. X U01 = Machine type selection U02 = Basic data sheet U03 = Softener test program The selected function will be confirmed with the start button and indicated by the illuminated start button. X Red Blue Green = Machine type selection = Basic data sheet = Softener test program Machine type setting: U01 / Red: Set machine type with the stop button (001 - 050). (Sequential scan or quick scan by holding the button.) X Push start button for 2 seconds X The selected program with the basic data’s will be saved and the illuminated start button "Red" switches off. Modification basic data: U02 / Blue: Set function with the stop button or stop + program button. (Times C01-C23 + C40-C49 / Counter C24-C39 + C50-C59 / Temperatures F01-F10 / Switching functions S01-S32) (Sequential scan or quick scan by holding the button) X X forwards backwards (first program, then stop) X Change value upwards by pushing the "program" button and downwards by pushing the service button. (Sequential scan or quick scan by holding the button) + – Push and hold the start button. X New value will be saved when the points disappear. Softener test program: U03 / Green: Push start button. X Test program starts according to diagram. * NOTE: X = button to be pushed. © HOBART GmbH, Service Training Center NUC / Page 29 SERVICE TRAINING CENTER 1 led (S2) J2 0V X12 1 X15 X16 X17 X18 1 PE L1 N / L2 3 X11A X20A 1 1 1 1 INTERFACE 1 PWM X0 flashing: voltage on, processor running 1 TO OPERATION PANEL A2 L1 1 power indication led permanent: voltage on, processor not running N / L2 3 3 5 X14 5 1 Slot: eeProm (897547-1) 3 J1 led (S1) o u t Pe 321 P TEMP. PROBE B2 TANK TEMP. PROBE B1 BOOSTER +5V X13 i n PRES. TRANSMITTER B3 BOOSTER 1 o u t P i n PRES. TRANSMITTER B4 TANK S7 DETERGENT DEFICIENCY S8 RINSE AID DEFICIENCY S6 RESERVE S5 RESERVE S4 STRAINER S3 DEFICIENCY OF SALT S2 IMPELLER SWITCH S1 DOOR SWITCH printed circuit board Main BOARD A1 rl1.1 rl1 rl2 HANDLE H1 rl9 rl8 rl7 rl6 rl5 rl4 rl3 2 2 3 X1 out X2 WASH PUMP M1 1 in 1 X3 TANK HEATING E2 1 2 3 X4 DRYING 2 X6 1 2 3 X5 DRYING X7 DETERGENT DISP. M4 1 X8 RINSE AID DISP. M3 2 2 3 3 2 3 X9 FILL VALVE Y1 1 2 3 X10 DRAIN PUMP M5 1 2 3 3 RINSE PUMP M2 2 BOOSTER K1 1 1 1 rl10 NOTE: Basically a partially equipped PCB (FX/GX) or the fully equipped PCB (FP/GP) is built-in. As replacement, only the fully equipped PCB 897545-1 is available. The control works with or without plugged EEPROM 897547-1. If a new software revision is available: – Disconnect control fuse F1. ATTENTION: there are 230 Volt at plug X2 (tank heating) when F1 is disconnected. – Plug in the new EEPROM. – Reconnect F1. A check is carried out and the stored software will be updated automatically (the progress is indicated at the display by L8, L7, etc.). – Set machine type – menu U01 (also to be done after replacing the PCB). Page 30 / NUC © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Printed circuit board Extension board A3 1 l 1 n n n n 1 Y4.2 Y4.1 Y3.2 Y3.1 n X21 n/l2 DRAIN / BOOSTER FILL B-A SALTING B SALTING A 1 RESERVE n X22 X11B rl11 rl12 rl13 rl14 rl15 rl16 1 X23 RESERVE 1 POT. FREE CONTACT S61 X24 POT. FREE CONTACT S62 X25 l1 POWER SUPPLY MAIN BOARD A1 X11A.1 A1 X11A.3 1 rl18 rl17 rl19 X26 POT. FREE CONTACT S63 NOTE: The additional board A3 (897546-1) is only built in at machines with softener. This PCB has three potential-free contacts. Each one can be assigned to different switching functions via one parameter (only on extension board): Parameter [S61] = RL17 (X24) switches 0 = machine "On" 1 = program "On" 2 = temperature F02 / F05 below pre-set value 3 = fill or wash progam active Parameter [S62] = RL18 (X25) switches 0 = program "On" 1 = machine "On" 2 = end of wash cycle (external exhaust) 3 = fill or wash progam active Parameter [S63] = RL19 (X26) switches 0 = fill progam active 1 = end of wash cycle (external exhaust) 2 = temperature F02 / F05 below pre-set value 3 = fill or wash progam active © HOBART GmbH, Service Training Center NUC / Page 31 SERVICE TRAINING CENTER Basic data: Rev. 4.5 / EPROM 8975547-1: >Rev. P3.5 Basic data sheet / Prog. 001 – 008 (GX/GP) PROGR. MACHINE TYPE 001 002 003 004 005 006 007 008 GXH-70N GXHS-70N GP-70 / GP-71 GPS-70 / GPS-71 Reserve Reserve GXH-70N Cold Rinse GP-70 Cold Rinse TOTAL PROGRAM TIME: TIMES: C01 C02 C03 C04 C05 C06 C07 C08 C09 C10 C11 C12 C13 C14 C15 C16 C17 C18 C19 C20 C21 C22 C25 C26 C27 C28 C29 C30 C31 C32 C34 C37 C43 C44 C45 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 Waiting period - start Wash time P01 Wash time P02 Wash time P03 Wash time P04 Rinse time 1 (P01) Rinse time 2 (P02) Rinse time 3 (P03) Drain 1 Drain 2 Drain 3 Drain 4 Dripping time Preheating booster First dosage detergent Wash dosage detergent 1 First dosage rinse aid Wash dosage rinse aid 1 Wash dosage detergent 2 Wash dosage detergent 3 End waiting period Standby temp on Thermostop Fill / Wash Drying 1 Drying 2 Drying 3 Drying 4 Heat recovery Pulse on Heat recovery Pulse break / Drying 6 Endless cycle max. Start time HP / Iteration factor rinse Operating time hoodlift / Drying 5 Fill time max. Rinse time 4 (P04) / Cold 4 Rinse time 5 (P05) / Cold 2 Rinse time 6 (P06) / Cold 3 Rinse time 7 (re-fill tank) Rinse time Fill Rinse time drain program Waiting period - intermed. drain Intermed. Drain Wash time P05 Wash time P06 Drain start cold / Break F+D Break cold rinse Page 32 / NUC Program number: 001 002 Program I Program II Program III Program IV Program V Program VI 60 90 120 ------- 60 90 120 ------- 1 35 65 95 0 7.5 7.5 11.0 13 20 50 50 3 10 12 8 25 9 ----1 60 32 ------------------480 ------0.0 10 15 20 1.5 --------- 1 35 65 95 0 7.5 7.5 11.0 13 20 50 50 3 10 12 8 25 9 ----1 60 32 ------------------480 ------0.0 10 15 20 1.5 --------- Min Max Step Unit 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 999 999 999 999 999 99 99 99 999 999 999 999 999 999 100 50 100 50 50 50 100 999 100 999 999 999 999 10 999 100 999 999 999 99 99 99 99 99 99 99 10 999 999 999 999 1 1 1 1 1 0.5 0.5 0.5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.1 1 1 1 1 1 0.5 0.5 0.5 0.5 1 1 1 0.5 1 1 1 1 s s s s s s s s s s s s s s s s s s s s s s min s s s s s s min s s s s s s s s s s s s s s s 003 004 005 006 007 008 60 60 60 60 120K 120K 90 90 90 90 90 90 120 120 120 120 120 120 600HY 600HY 60DA 60DA --- 600HY ------- 600HY ----------------- 1 35 65 95 300 7.5 7.5 11.0 13 20 50 50 3 10 12 8 8 4 ----1 60 32 60 120 60 20 --30 ----60 480 ------0.0 10 15 20 1.5 --10 ----- 1 35 65 95 300 7.5 7.5 11.0 13 20 50 50 3 10 12 8 8 4 ----1 60 32 60 120 60 20 --30 ----60 480 ------0.0 10 15 20 1.5 --10 ----- 1 83 65 95 --7.5 7.5 11 13 20 50 50 3 10 12 8 25 9 15 5 1 60 32 --------------120 --480 10 9 6 0.0 10 15 20 1.5 ----25 5 1 83 65 95 300 7.5 7.5 11 13 20 50 50 3 10 12 8 25 9 15 5 1 60 32 60 120 60 20 --30 --120 60 480 10 9 6 0.0 10 15 20 1.5 --10 25 5 © HOBART GmbH, Service Training Center SERVICE TRAINING CENTER Basic data: Rev. 4.5 / EPROM 8975547-1: >Rev. P3.5 Basic data sheet / Prog. 001 – 008 (GX/GP) Program number: TIMES / COUNTER: C60 C61 C62 C63 C71 C72 C73 C74 C75 C76 C77 C78 C79 C80 C81 C82 C83 C84 C85 C86 Degree of hardness H01 (1-7dH) Degree of hardness H02 (8-14dH) Degree of hardness H03 (15-21dH) Degree of hardness H04 (22-30dH) Hygiene program request Number of hygiene programs Counter - Wash 1 Counter - Wash 1x1K Service interval Service interval x 1K Total water Counter 1 Total water Countern 1 x 1K Water Counter 2 Water Counter 2 x 1K Drying during standby Filling quantity max. Iteration factor rinse Number of Salt fillings Wash cyles with lack of salt End wash cycle (ext. exhaust) RL 18/19 TEMPERATURES: F01 F02 F03 F04 F05 F06 F07 F08 F09 F10 B2 Tank standby B2 Tank wash B1 Booster fill start 1 B1 Booster standby B1 Booster rinse 1 B2 Tank wash B1 Booster fill start 2 B2 Tank fill start B1 Booster rinse 2 B2 Thermostop - tank PRESSURE TRANSMITTER TANK: F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 AL - Fault Fill signal 1 / Heating Reserve Fill signal 2 Drain 1 Tank full UL off UL on Drain 2 Drain 3 PRESSURE TRANSMITTER BOOSTER: F21 F22 F23 F24 F25 F26 Reserve Heating Filling OFF Filling on Reserve Regulation hysteresis pressure Min Max Step Unit 3 3 3 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 100 100 100 100 999x10 999 999 999 999 999 999 999 999 999 999 999 999 999 999 999 1 1 1 1 10 1 1 1K 1 1K 1 1K 1 1K 1 1 1 1 1 1 cycle cycle cycle cycle cycle cycle cycle cycle cycle cycle liter liter liter liter dry. liter Min Max Step Unit 0 0 0 0 0 0 0 0 0 0 99 99 99 99 99 99 99 99 99 99 1 1 1 1 1 1 1 1 1 1 °C °C °C °C °C °C °C °C °C °C Min Max Step Unit 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 Volt Volt Volt Volt Volt Volt Volt Volt Volt Volt Min Max Step Unit 0.5 0.5 0.5 0.5 0.5 0.00 3.5 3.5 3.5 3.5 3.5 1.00 0.01 0.01 0.01 0.01 0.01 0.01 Volt Volt Volt Volt Volt Volt © HOBART GmbH, Service Training Center s 001 002 003 004 ------------0 0 0 0 0 0 0 0 --25 ------15 40 20 10 4 ----0 0 0 0 0 0 0 0 --25 --0 0 15 --------100 0 0 0 0 0 0 0 0 0 20 25 ------15 62 60 75 65 65 ----45 ----- 62 60 75 65 65 ----45 ----- 0.55 0.60 ----0.78 0.90 0.94 1.15 ----- --0.62 1.00 0.92 --0.10 005 006 007 008 40 20 10 4 100 0 0 0 0 0 0 0 0 0 20 25 --0 0 15 ------------0 0 0 0 0 0 0 0 --25 2 ----15 --------100 0 0 0 0 0 0 0 0 0 20 25 2 ----15 62 60 75 65 65 --65 45 ----- 62 60 75 65 65 --65 45 ----- 60 55 75 65 65 ----20 80 --- 60 55 75 65 65 --70 20 80 --- 0.55 0.60 ----0.78 0.90 0.94 1.15 ----- 0.55 0.60 --0.75 0.78 0.90 0.94 1.15 ----- 0.55 0.60 --0.75 0.78 0.90 0.94 1.15 ----- 0.55 0.60 --0.75 0.78 0.90 0.94 1.15 0.93 --- 0.55 0.60 --0.75 0.78 0.90 0.94 1.15 0.93 --- --0.62 1.00 0.92 --0.10 --0.62 1.00 0.92 --0.10 --0.62 1.00 0.92 --0.10 --0.62 1.00 0.92 --0.10 --0.62 1.00 0.92 --0.10 NUC / Page 33 SERVICE TRAINING CENTER Basic data: Rev. 4.5 / EPROM 8975547-1: >Rev. P3.5 Basic data sheet / Prog. 001 – 008 (GX/GP) Program number: SWITCHING FUNCTIONS: S01 S02 S03 S04 S05 S06 S07 S08 S09 S10 S11 S12 S13 S14 S15 S16 S17 S18 S19 S20 S21 S22 S23 S24 S25 S26 S27 S28 S29 S30 S31 S32 S33 S34 S35 S36 S37 S38 S39 S40 S41 S42 S43 S44 S45 S46 S47 S48 S49 S50 S51 S52 S53 S54 S55 S56 S57 S58 S59 S60 S61 S62 S63 S64 Hood start Thermostop B1 Thermostop B2 Reserve Softener Chemical sensors Drying Program P01 Program P03 Program P04 Program P01#,$+ Z1$" "D,(*&0*))(IB""*&(%!()-#!D%&'('$,,&0$,@(#-",$",-G. X1*. 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