Champion Model 44 LT Troubleshooting Guide

Simply Engineered BetterTechnical ManualUndercounterDishwasherModel401-HT401-HTN401-LTManual P/N 0509604 REV. GFebruary, 20032674 N. Service RoadJorda

4GENERALAccessories• 17RS - 17" rack stand (raises working height and adds rack storage)• 17T - 17" cabinet (raises working height and adds

5INSTALLATIONINSTALLATIONUnpackingWARNING: Care should be taken when lifting the machine to prevent damage.1. Immediately after unpacking your machin

INSTALLATION6Plumbing ConnectionsCAUTION:Plumbing connections must comply with local sanitary and plumbing codes.Water Connections1. Connect the hot

INSTALLATION7Completing Installation1. Remove any foreign material from inside the machine.2. Center the scrap screen over the sump opening.3. Prime t

8OPERATIONOPERATIONOperation Summary (See Timer Chart in back of manual)The following is a summary of your Undercounter Dishwashing Machine operating

9OPERATIONNOTE: The machine may be stopped at any time by opening the door. When restarted, the cycle does not start over. It will continue from the p

10MAINTENANCEMAINTENANCEThe efficiency and life of your machine is increased by regularly scheduled preventivemaintenance. A well maintained machine g

11MAINTENANCEDelimingYour dishwasher should be delimed regularly as required. This will depend on the mineralcontent of your water.Inspect your machin

12MAINTENANCEMaintenance Schedule• As Required1. Check the temperature gauge reading.2. Check the chemical supplies and refill as necessary.• Weekly

13TROUBLESHOOTINGTROUBLESHOOTINGBefore determining any specific cause of a breakdown or abnormal operation of your dishwasher,check that:1. Power sup

Complete the information below so it will be available for quick reference.Model Number __________________________ Serial Number______________________

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15REPLACEMENT PARTSREPLACEMENTPARTS

16REPLACEMENT PARTS121212111000050965437218Figure 1 — Track and Panel Assembly

17REPLACEMENT PARTSTRACK AND PANEL ASSEMBLYFig. 1 Part Description QtyItem No. No.1 0508751 Screw, 10-32 x 1-1/2" Lg. Truss Head ...

18REPLACEMENT PARTS123578910111213141516171815164100020Figure 2 — Door and Switch Assembly

19REPLACEMENT PARTSDOOR AND SWITCH ASSEMBLYFig. 2 Part Description QtyItem No. No.1 0501412 Screw, 10-32 x 3/8" Truss Head...

20REPLACEMENT PARTSTHERMOMETER(CALLED OUT INCONTROL BOX)TO PUMP1011981176512TO DRAIN143200037Figure 3 — Tank/Drain Assembly

21REPLACEMENT PARTSTANK/DRAIN ASSEMBLYFig. 3 Part Description QtyItem No. No.1 0508628 Scrap Screen...

22REPLACEMENT PARTSTANKBOTTOM121413111098765423100005Figure 4 — Pump Assembly

23REPLACEMENT PARTSPUMP ASSEMBLYFig. 4 Part Description QtyItem No. No.1 0508542 Spindle, Lower Wash Arm ...

Revision HistoryRevision Revised Serial Number CommentsDate Pages Effectivity02/28/97 All 7791 Issue of manual and replacement parts lists.09/09/98 27

TANK BOTTOMPUMP43210003824REPLACEMENT PARTSFigure 5 — Wash System Assembly

25REPLACEMENT PARTSWASH SYSTEM ASSEMBLYFig. 5 Part Description QtyItem No. No.1 0501563 Screw, #8 x 3/8" (Sheet Metal) Truss Head ...

26REPLACEMENT PARTS87THERMOSTAT(CALLED OUTIN CONTROL BOX)TO FILL SYSTEM1021234569111213141615171918209212122230004024Figure 6 — Booster Assembly and W

27REPLACEMENT PARTSBOOSTER ASSEMBLY AND WATER INLET PIPING(HT ONLY)Fig. 6 Part Description Qty.Item No. No.1 0509214 Hose, 1/2" I.D...

28REPLACEMENT PARTSFigure 7 — Water Inlet Piping (HTN, LT Only)123561112131415141078922WATERCONNECTIONTO FILL400049

29REPLACEMENT PARTSWATER INLET PIPING (HTN, LT ONLY)Fig. 7 Part Description QtyItem No. No.1 0503718 Foot, adjustable ...

30REPLACEMENT PARTS437645 23432418Beginning with S/N 5733 & AboveFrom Detergent Pump(See Corresponding Pump For Hose)From SanitizerRinse-aid Pumps

31REPLACEMENT PARTSFILL SYSTEMFig. 8 Part Description QtyItem No. No.1 0502665 Hose, 1/2" I.D. Clear Braided (HTN, LT)...

32REPLACEMENT PARTSTO DETERGENTSUPPLY21201916172218221611109131287643215TO FILLASSY151400022Figure 9 — Detergent Pump Assembly (optional)

33REPLACEMENT PARTSDETERGENT PUMP ASSEMBLY (OPTIONAL)Fig. 9 Part Description QtyItem No. No.1 0503757 Motor, Pump...

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34REPLACEMENT PARTSTO CHEMICAL SUPPLY14131211101015987652314DETERGENTPUMP (SEE FIG. 9)TO FILLSYSTEM00002Figure 10 — Sanitizer/(Optional) Rinse-Aid Pum

35REPLACEMENT PARTSSANITIZER/(OPTIONAL) RINSE-AID PUMP ASSEMBLYLTFig. 10 Part Description QtyItem No. No.1 0503756 Motor, Pump...

L1L2T2T1SLUP12543678222315 16 181920211791011121314210003336REPLACEMENT PARTSFigure 11 — Control Panel Assembly

37REPLACEMENT PARTSCONTROL PANEL ASSEMBLYFig. 11 Part Description Qty.Item No. No.*1 0708538 Timer assy (HT, HTN) (Includes items 2-5) ...

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39ELECTRICAL SCHEMATICSELECTRICALSCHEMATICS

40ELECTRICAL SCHEMATICS5CAM 3NC3445CAM 8NC325NO354NONCNC3550START CWSTART CCWMAINTPCAM 4D VBHTR BOOSTER HEATERBLK BLACKBLU BLUECAM 1 HOMI

41ELECTRICAL SCHEMATICSBLK BLACKBLU BLUECAM 1 HOMINGCAM 2 PUMP MOTORCAM 3 PUMP MOTOR REVERSINGCAM 4 DRAINCAM 5 FILLCAM 6 RINSECAM

42ELECTRICAL SCHEMATICSNCCAM 31BLK BLACKBLU BLUECAM 1 HOMINGCAM 2 PUMP MOTORCAM 3 PUMP MOTOR REVERSINGCAM 4 DRAINCAM 5 FILLCAM 6 R

43ELECTRICAL SCHEMATICSTO CUSTOMER DISCONNECT SWITCH230V115 VACCOILGND2211112215344674133404199161716 168335503543 1 2 3334181734041171

CONTENTSCONTENTSPageINTRODUCTION...

44ELECTRICAL SCHEMATICSFigure 16 —- Electrical Diagram, 401-HT, HTN010 20 30 40 50 60 70 80 90 100 110 120 130 140TIME IN SECSCAM122345678WASH PUMPWAS

45TIMING CHARTSFigure 17 —Timer Chart and Diagram, 401-LTTIMING CHART 401-LT 9010 20 30 40 50 60 70 80 90 100 110 120 130 140TIME IN SECSCAM122345678W

CONTENTSFigure 9—Detergent Pump Assembly... 32Fi

1INTRODUCTIONINTRODUCTIONWelcome to Moyer Diebel.Thank you for choosing Moyer Diebel and for allowing us to take care of your dishwashingneeds.This ma

2WARRANTYLIMITED WARRANTYChampion Industries/Moyer Diebel Limited, P.O. Box 4183, Winston-Salem, North Carolina 27115, and P. O. Box 301, 2674North S

3GENERALGENERALThis manual covers the Moyer Diebel 401 undercounter dishwashing machine. This machine is fully automatic and is equipped with a 1/2 H.