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14

TROUBLESHOOTING

TROUBLESHOOTING (con’t)

CONDITION

CAUSE

SOLUTION

No water in wash well

Opening door prior ..............................

Close door. Wait for green cycle light

to cycle completion

to go out before opening door.

No water in wash tank

Door not latched ..................................

Latch door.

after activating the

Wait for wash tank to fill.

ON/FILL switch

Summary of Contents for TUW

Page 1: ...sts Champion Undercounter Dishwasher Model TUW U BW UTL August 2001 P O Box 4149 Winston Salem North Carolina 27115 4149 Champion Industries Inc 336 661 1556 Fax 336 661 1660 Manual P N 0508812 REV H Machine Serial No Technical Manual ...

Page 2: ...hone _____________ if applicable _____________________________________________________________________________ Champion Service Agency___________________________________ Phone _____________ _____________________________________________________________________________ Champion Industries Service 1 800 858 4477 Champion Service Fax 1 336 661 1660 NOTE When calling to order parts be sure to have the ...

Page 3: ...ges Effectivity 4 10 00 All Added Models U BWand UTL to manual and parts list 11 16 00 38 39 Deleted P N 112204 thermostat replaced with P N 109069 for all serial numbers 1 17 01 17 Revised front panel number to 0308741 8 22 01 21 Revised part numbers for hose clamps and hose ...

Page 4: ...nded Wash Cycle 9 MAINTENANCE 10 Cleaning Schedule 10 Deliming 11 Deliming Process 11 Maintenance Schedule 12 TROUBLESHOOTING 13 REPLACEMENT PARTS 15 ELECTRICAL DIAGRAMS 42 TIMER CHARTS and DIAGRAMS 46 LIST OF FIGURES Figure 1 Track and Panel Assembly 16 Figure 2 Door and Switch Assembly 18 Figure 3 Tank Heat and Drain 20 Figure 4 Pump Assembly 22 Figure 5 Wash System Assembly 24 Figure 6 Water In...

Page 5: ... For machines beginning with S N 6984 42 Figure 14 Electrical Diagram U BW For machines beginning with S N 6984 43 Figure 15 Electrical Diagram UTL For machines beginning with S N 6984 44 Figure 16 Electrical Diagram TUW 50Hz 45 Figure 17 Electrical Diagram TUW For machines built prior to S N 6984 46 Figure 18 Timer Chart and Diagram TUW U BW 47 Figure 19 Timer Chart and Diagram UTL 48 ...

Page 6: ... procedures Maintenance instructions Troubleshooting guide Replacement parts lists Complete and return your warranty registration card as soon as possible Champion constantly improves its products therefore specifications contained in this manual may have changed For your protection factory authorized parts should always be used Replacement parts may be ordered directly from Champion or from your ...

Page 7: ...reakers d Adjustment of thermostats e Adjustment of clutches f Opening or closing of utility supply valves or switching of electrical supply current g Adjustments to chemical dispensing equipment h Cleaning of valves strainers screens nozzles or spray pipes i Performance of regular maintenance and cleaning as outlined in operator s guide j Damages resulting from water conditions accidents alterati...

Page 8: ...ncluding base This series of dishwashers is available in the following models Model Numbers TUW U BW UTL The TUW model is a high temperature 82 C 180 F rinse sanitizing model with booster The U BW model is a high temperature 82 C 180 F rinse sanitizing model without booster The UTL model is a low temperature 60 C 140 F rinse sanitizing model for use with 5 25 or 8 4 sodium hypochlorite solution ch...

Page 9: ...verware Rack Flat Bottom Rack Electrical Power Requirements Booster Machine Power Requirement Model Voltage Rise Full Load Amp 125 Service Factor UTL 115 60 1 N A 12 15 U BW 115 60 1 N A 12 15 TUW 208 60 1 40 36 44 TUW 240 60 1 40 40 49 TUW 208 60 1 70 48 59 TUW 240 60 1 70 55 68 NOTE 208 240V 60Hz 1PH electrical supply service must be a 3 wire plus ground for connection as shown 3 Wire Plus Groun...

Page 10: ... connections must comply with the National Electrical Code and or Local Electrical Codes WARNING When working on the dishwasher disconnect the electric service and tag it to indicate work is being done on that circuit 1 The electrician should compare the electrical specifications on the machine electrical junction box located behind the front panel to the electrical power supply before connecting ...

Page 11: ...s internally wired and ready for use Using a liquid detergent insert the labeled Detergent pickup tube into the detergent container The pickup tube has a strainer on the end to prevent crystallized chemical from clogging the supply lines 3 The cycle timer located in the main control cabinet is equipped with adjustable cams for the chemical dispensing pump s The cams control the length of time that...

Page 12: ...ave completed the booster priming process NOTE Push the Installation and Service toggle switch to the UP position Electrical power is now supplied to the machine WARNING Failure to prime the booster may cause damage to the booster elements and other electrical components and will void the warranty 4 After plumbing and electrical connections are completed check the machine for water leaks by depres...

Page 13: ...allow the timer to reset before starting another cycle Operation Procedures The operation of your dishwasher will be more efficient when these procedures are followed 1 Check that the spray arms and scrap screen are in place 2 Close the door and depress the front edge of the door latch toward the door Push the ON FILL switch to the ON position The tank will begin filling with water This procedure ...

Page 14: ...leting usage for the day water in the tank should be drained by depressing the OFF DRAIN switch and closing and latching the door This initiates a 100 second wash and drain cycle that drains the tank CAUTION DO NOT LEAVE WATER IN THE TANK OVERNIGHT Water left in the tank overnight will allow harmful chemicals to deteriorate the tank Extended Wash Cycle On models TUW U BW but not on model UTL an ex...

Page 15: ...ily Every 8 Hours 1 Depress the OFF DRAIN switch to OFF and close and latch the door to drain the tank 2 Open the door and remove both the upper and lower spray arms by unscrewing the knurled fastener holding each spray arm 3 Remove the scrap screen carefully to keep soil or waste particles from falling into the sump 4 Clean inside the tank with clean water Backflush the scrap screen until it is c...

Page 16: ...e SANITIZER prime switch located on the front panel until clear water enters the tank through the fill air gap 3 Close the door and depress the door latch Complete two operating cycles to purge the machine of all sanitizer Deliming Process Complete the following procedure to delime your machine 1 Add the delime chemical to wash the tank per chemical supplier specifications 2 Close and latch the do...

Page 17: ... procedure a Remove the detergent sanitizer and rinse aid pick up tube s from the container s Place the tube s into a container of hot water b Depress and hold the DET prime switch located on the front panel until clear water enters the tank through the fill air gap located on the right side of the tank c If your machine is equipped with a sanitizer and or rinse aid pump follow the same procedure ...

Page 18: ...raighten or replace tubing Water temperature Incoming water temperature Raise temperature to is low when in use at machine too low 60 C 140 F for all machines Hi limit tripped Reset hi limit Insufficient pumped spray Clogged spray arm Clean pressure Scrap screen full Must be kept clean and in place Low final rinse temperature Low incoming water Check the booster be sure the temperature thermostat ...

Page 19: ...USE SOLUTION No water in wash well Opening door prior Close door Wait for green cycle light to cycle completion to go out before opening door No water in wash tank Door not latched Latch door after activating the Wait for wash tank to fill ON FILL switch ...

Page 20: ...15 REPLACEMENT PARTS REPLACEMENT PARTS ...

Page 21: ...16 REPLACEMENT PARTS 14 14 14 13 12 00001 11 8 7 6 5 9 4 3 2 1 10 Figure 1 Track and Panel Assembly ...

Page 22: ...ront Panel UTL 1 4 No Longer Available 5 0501413 Screw 10 32 x 3 8 Lg Round Head 2 6 0501415 Screw 10 32 x 5 8 Lg Round Head 4 7 0308632 Track RH 1 8 0308631 Track LH 1 9 0708647 Cover Vent 2 10 0308736 Panel LH Side UTL TUW U BW 1 11 0308734 Panel Rear UTL TUW U BW 1 12 0308737 Panel RH Side UTL TUW U BW 1 13 0308735 Panel Top UTL TUW U BW 1 14 0501412 Screw 10 32 x 3 8 Lg Truss Head UTL 10 ...

Page 23: ...18 REPLACEMENT PARTS 1 2 3 5 7 8 9 10 11 12 13 14 15 16 17 18 15 1 6 4 1 00020 Figure 2 Door Switch Assembly ...

Page 24: ...ch 1 7 0508545 Gasket Steam 2 8 104883 Screw Round Head 6 32 x 3 8 2 9 0709431 Plate Door Switch 1 10 111090 Switch Door Magnetic Reed 1 11 0508544 Gasket Upper Door 1 12 0508543 Gasket Side Door 2 13 0501539 Nut Plain 1 4 20 2 14 0503715 Spring Door Hinge 2 15 0501421 Bolt 1 4 20 x 1 1 4 Hex Head 4 16 0708564 Arm Door Hinge 2 17 0501501 Washer Lock 1 4 Split 2 18 0708527 Door 1 0508555 Wiring Har...

Page 25: ...ARTS THERMOSTAT CALLED OUT IN CONTROL BOX THERMOMETER CALLED OUT IN CONTROL BOX TO PUMP DRAIN 16 13 20 19 9 8 19 7 6 5 10 11 21 TO DRAIN 14 14 19 16 17 18 4 TO RINSE 3 1 00004 2 12 11 15 3 Figure 3 Tank Heat and Drain ...

Page 26: ...0308611 Support Drain Valve 1 8 0306618 Valve Drain 1 9 0501418 Screw 1 4 20 x 1 2 Lg Round Head 2 10 0508873 Adapter Thermostat 1 11 0501836 O Ring Thermostat 2 12 0508872 Adapter Thermometer 1 13 108954 Nut Grip 6 32 w Nylon Insert 2 14 110562 Thermostat High Limit 1 15 201029 Locknut 1 2 NPT Nickel Plated 2 16 0308655 Tube Pump Outlet 1 17 0508579 Nut Jam 1 8 1 18 104414 O Ring 1 19 0510082 Cla...

Page 27: ...22 REPLACEMENT PARTS TANK BOTTOM 12 14 13 11 10 9 8 7 6 5 4 2 3 1 00005 Figure 4 Pump Assembly ...

Page 28: ...ller 1 7 0502746 Adapter Plate Suction 1 8 0502745 Plate Drain lnlet 1 9 0502703 O ring 1 10 0502744 Propeller Rotating Seal Assembly 1 11 0502743 Mounting Plate Seal Assembly Includes Item 10 1 12 0501881 Gasket Pump 1 13 0508665 Screw 10 32 x 5 8 Hex Washer Head 8 14 0508570 Washer Sealing Teflon 8 0508539 Pump Motor Assembly lncludes items 1 11 1 107966 Nut Grip 10 32 SST Not Shown For mounting...

Page 29: ...FROM PUMP TANK BOTTOM PUMP 2 14 TOP OF HOOD 13 12 11 10 9 10 8 7 6 5 4 3 2 1 00006 24 REPLACEMENT PARTS Figure 5 Wash System Assembly ...

Page 30: ...0501412 Screw 10 32 x 3 8 Lg Truss Head 3 6 0508541 Bushing Upper Wash Arm 1 7 0705047 Wash Arm Upper 1 8 0505042 Pivot Upper Wash Arm 1 9 0308783 Retainer Upper Pivot S A 1 10 0501563 Screw 8 x 3 8 Sheet Metal Truss Head 4 11 0308158 Nut Clip Spray Arm 1 12 0501684 Nut Spray Arm Lock 1 13 0705049 Wash Arm Lower 1 14 0508540 Bushing Lower Wash Arm 1 0708874 Lower Wash Arm Assembly includes items 1...

Page 31: ...26 REPLACEMENT PARTS 1 2 3 4 5 6 7 8 9 10 11 12 13 16 15 16 7 2 WATER CONNECTION WATER CONNECTION TO BOOSTER OR FILL 2 00021 Figure 6 Water Inlet Piping ...

Page 32: ...lt 1 4 20 x 1 2 Lg Hex Head 2 9 0300203 Clamp Valve Support 1 10 0300065 Support Fill Valve 1 11 0501424 Bolt 1 4 20 x 3 8 Lg Hex Head 2 12 0503713 Elbow Street 3 8 MPT x 1 2 FPT Brass TUW U BW UTL 1 Prior to S N 6795 13 0502618 Coupler 3 8 MPT x 1 2 Hose barb 1 14 0503679 Clamp Hose all except TUW U BW UTL 1 15 0509526 Hose Coupled 7 ft all except TUW U BW UTL 1 16 0505320 Washer Hose all except ...

Page 33: ...4 3 9 6 4 5 2 3 4 3 2 4 1 10 Beginning with S N 5733 Above From Detergent Pump See Corresponding Pump For Hose From Sanitizer Rinse aid Pumps RH Side of Tank From Top of Booster or From Fill Valve 00018 Figure 7 Fill System Figure 7 Fill System ...

Page 34: ...106090 Bracket Tie Wrap 2 4 107966 Nut Grip 10 32 w Nylon Insert 8 5 0509048 Gasket Inlet Chute Beginning with S N 5733 above 1 6 0508867 Inlet Chute Beginning with S N 5733 above 1 7 0508656 Gasket Inlet Chute Prior to S N 5733 1 8 0508609 Inlet Chute Prior to S N 5733 1 9 0501519 Tie Wrap Chemical Hose 3 10 0509214 Hose Flll 1 2 I D White TUW U BW 3 ft ...

Page 35: ...ENT PARTS 5 6 8 9 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 THERMOSTAT CALLED OUT IN CONTROL BOX T O F IL L S Y S T E M F R O M F IL L V A L V E 18 23 3 4 7 6 15 10 1 4 3 1 2 00017 Figure 8 Booster Assembly ...

Page 36: ... Hose 1 2 I D 28 A R 11 0508709 Pipe Plug 1 8 NPT Brass 1 12 109985 O Ring 1 13 111233 Heater Element 9KW 70 Rise 208 230V 60Hz 1Ph 1 14 111235 Heater Element 6KW 40 Rise 208 230V 60Hz lPh 1 15 0501539 Nut Plain 1 4 20 6 16 107908 Cover Heater Element 1 17 0308638 Body Junction box 1 18 0501533 Nut Plain 10 32 Brass 2 19 0501472 Washer Flat 10 Brass 2 20 0501493 Washer Lock 10 Ext Tooth Brass 1 21...

Page 37: ...32 REPLACEMENT PARTS TO DETERGENT SUPPLY 21 20 19 16 17 22 18 22 16 11 10 9 13 12 8 7 6 4 3 2 1 5 TO FILL ASSY 15 14 00022 Figure 9 Detergent Pump Assembly ...

Page 38: ...2 Screw 8 32 x 1 2 Lg Pan Head 2 9 0501425 Screw 8 32 x 5 8 Round Head 2 10 N A Screw Set M6 x 8mm 1 11 N A Rotor Assembly 1 12 108194 Hose Pump 1 13 N A Cover Pump Housing 1 14 N A Washer Flat M4 4 15 N A Nut Wing M4 4 16 0501519 Tie Wrap Hose 2 17 0502667 Hose Detergent 1 4 I D PVC Clear A R 18 0502644 Elbow 1 4 O D x 90 Barbed 2 19 0503695 Label Detergent 1 20 0306363 Tube Pick Up 1 21 0501869 ...

Page 39: ...34 REPLACEMENT PARTS TO CHEMICAL SUPPLY 14 13 12 11 10 10 15 9 8 7 6 5 2 3 1 4 DETERGENT PUMP SEE FIG 9 TO FILL SYSTEM 00002 Figure 10 Sanitizer Rinse Aid Pump Assembly ...

Page 40: ...504822 Screw 8 32 x 1 2 Lg Pan Head 4 7 0707142 Rotor Assy 1 8 0706635 Element Tube Assy 45cc min 1 9 0506589 Screw 6 32 x 7 8 Lg Pan Head 2 10 0502666 Hose 1 8 I D PVC Clear A R 11 0503694 Label Sanitizer UTL 1 12 0505483 Label Rinse Aid Optional 1 13 0306363 Tube Pick Up 1 14 0501869 Strainer Pick up Tube 1 15 0501519 Tie Wrap Hose 2 0708561 Detergent Sanitizer Pump Assy UTL 1 lncludes Detergent...

Page 41: ...36 REPLACEMENT PARTS FROM DRAIN VALVE 12 11 10 9 13 14 12 11 TO DRAIN 8 7 6 5 4 3 2 1 00003 Figure 11 Drain Pump Assembly ...

Page 42: ... Motor Pump 1 5 N A Backing Plate Pump 1 6 0508370 Gasket Pump Volute 1 7 0508369 Impeller Pump 1 8 0508368 Volute Pump 1 9 N A Screw 10 24 x 1 5 8 Lg Pan Head 3 10 0508141 Adapter 3 4 MPT x 1 2 Hose Barb PVC 1 11 0507265 Hose 5 8 I D x 7 8 O D Braided A R 12 0503679 Clamp Hose 2 13 0508139 Coupling 1 2 NPT PVC 1 14 0508140 Elbow 1 2 MPT x 1 2 Hose Barb x 90 PVC 1 C35065 Drain Pump Assy Includes I...

Page 43: ...8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 40 40 41 39 25 26 27 29 30 31 32 33 34 35 36 37 38 TO BOOSTER TO TANK TO TANK 29 29 28 28 45 1 9 6 28 19 42 43 44 00019 38 REPLACEMENT PARTS Figure 12 Control Cabinet ...

Page 44: ...ssy includes items 11 13 38 UTL 1 17 No Longer Available 18 0501373 Switch Toggle 3 Position TUW 1 19 107964 Bushing Snap 2 20 0508554 Contactor 2 Pole 50 AMP 240V TUW 1 21 0308641 Cover Contactor TUW 1 22 0503749 Terminal Block 1 23 0501358 Relay Start 1 24 109069 Thermostat Booster w Capillary 1 24 112204 NA 1 25 0300096 Bracket Tank Heat Thermostat 1 26 0501380 Thermostat Tank Heat w Capillary ...

Page 45: ...Qty Item No No 38 0503701 Bearing Timer Shaft 1 0501292 Power Cord U BW UTL Not Shown 1 39 112185 Bracket Ranco thermostat 1 40 Sheetmetal screw 8 x 3 16 2 41 Screw 6 32 x 1 4 2 42 0309433 Bracket Relay 1 43 0509428 Relay 15A 120VAC 1 44 0501408 Screw 8 32 x 1 4 2 45 0501538 Nut 8 3 2 Hex 2 ...

Page 46: ...41 ELECTRICAL SCHEMATICS ELECTRICAL SCHEMATICS ...

Page 47: ...3 Electrical Diagram TUW For machines beginning with S N 6984 yyyyyyyyyyyy yyyyyyyyyyyy y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y ...

Page 48: ...CS yyyyyyyyyyyy y y y y y y y y y y y y y y y y y y y y yy y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y Figure 14 Electrical Diagram U BW For machines beginning with S N 6984 ...

Page 49: ...y y y y y y y y y y yy y y y y y y y y y y y y y y yy y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y y Figure 15 Electrical Diagram UTL For machines beginning with S N 6984 ...

Page 50: ...PERATED START RELAY COIL WHTR WATER HEATER TM TIMER MOTOR PSDR PRIME SWITCH DETERGENT RINSE IF USED 22 RM 3 38 21 DM D V 20 3 3 DSS 1CR 3 0508975 A CAM 3 NC 4 NO CAM 8 NC NO 38 32 35 NC NO NC 35 32 MSW NO 4 5 SS 2 2 31 31 SRC NC NO 24 NO NO NO 34 27 17 4 PSDR 1CR NC 16 CAM 1 7 26 NC NO 26 NC CAM 2 24 26 CAM 5 27 9 NO NC NC 8 8 33 6 5 5 1 2 BHTR EC D WTS 30 WTS 10 HLTS NC NO NC 28 BOOSTER TANK CT 1...

Page 51: ...DES ALL POWER SUPPLIED TO EACH CONNECTION POINT MUST COMPLY HLTS HIGH LIMIT THERMOSTAT DM DETERGENT MOTOR DV DRAIN VALVE DP DRAIN PUMP IF USED FV FILL VALVE GND GROUND GRN GREEN EW D EXTENDED WASH DELIME DS DOOR SWITCH CT CONTACTOR CTC CONTACTOR COIL MSW MAIN SWITCH ON FILL OFF DRAIN CAM 7 DETERGENT CAM 8 AUTO FILL DRAIN CLT CYCLE ON LIGHT CAM 1 HOMING CAM 2 PUMP MOTOR CAM 3 PUMP MOTOR REVERSING C...

Page 52: ... REVERSING CAM DRAIN VALVE FILL VALVE RINSE DETERGENT AUTO FILL HOMING CAM PUMP DRAIN PUMP TIMING CHART 501HT 150 FORWARD WASH REVERSE DRAIN DRAIN PUMP OPTIONAL TIMER ASSEMBLY 501HT SYNCHRON 8 7 6 5 4 3 2 1 TIMER MOTOR LOCKING SCREW TIMER SWITCH DETAIL N C N O COM 00014 Figure 18 Timer Chart and Diagram TUW U BW TUW U BW TUW U BW ...

Page 53: ...SH PUMP REVERSING CAM DRAIN VALVE FILL VALVE RINSE DETERGENT AUTO FILL HOMING CAM PUMP DRAIN PUMP SANITIZER PUMP 150 FORWARD WASH REVERSE DRAIN DRAIN PUMP TIMER ASSEMBLY 501LT SYNCHRON 8 9 7 6 5 4 3 2 1 TIMER MOTOR LOCKING SCREW TIMER SWITCH DETAIL N C N O COM 00016 Figure 19 Timer Chart and Diagram UTL 48 TIMING CHARTS UTL UTL ...

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