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Moyer Diebel 501HTN manual

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  • Page 1

    Installation/Operation Manual with Service Replacement Parts Issue Date: 3.15.1 1 Manual P/N 0512240 rev . K For machines beginning with S/N W1 1948 and above Dishwasher serial no. www .moyerdiebellimited.com Undercounter Dishwashers (with pumped nal rinse) Models: 201HT  High temperature w/booster   201HTN  High temperature w/[...]

  • Page 2

    The dishwasher data plate is located on the left front corner of the front access panel. COPYRIGHT © 201 1 All rights reserved Printed in the USA For future reference, record your dishwasher information in the box below .  Model Number__________________________ Serial Number_______________________ V oltage________________Hertz_____________ Phas[...]

  • Page 3

    InCanadayoucanRegisterbyPostagePaidMail: Cut along the dashed lines, then complete the back of the postage paid card above and mail immediately to validate your machine warranty . OR http://www .championindustries.com/canada/register REGISTER YOURPRODUCTONLINE Make sure you are connected to the internet then click o[...]

  • Page 4

    http://www .championindustries.com/canada/register REGISTER YOURPRODUCTONLINE Make sure you are connected to the internet then click or enter the address below . IntheU.S.A http://www .moyerdiebel.com/register InCanada IMPORTANT IMPORTANT Model Serial # Date of Installation: Company Name: T elephone #: ( ) --- Contact: Address: Ad[...]

  • Page 5

    i Revision Revised SerialNumber  Revision    Date Pages Effectivity  Description 9.15.06 All W1 1948  Releasedrstedition 3.22.07 59 W1 1948  RevisedSchematic     SolidStateTimerService 1 1.26.07 iii,?[...]

  • Page 6

    ii RevisionHistory RevisionHistory (continued) Revision Revised SerialNumber  Revision  Date Pages Effectivity  Description[...]

  • Page 7

    iii BlankPage ThisPage Intentionally LeftBlank[...]

  • Page 8

    iv LimitedWarranty LIMITED W ARRANTY Moyer Diebel, 3765 Champion Boulevard, Winston-Salem, North Carolina 27105, and P .O. Box 301, 2674 N. Service Road, Jordan Station, Canada, L0R 1S0, warrants machines, and parts, as set out below . W arranty of Machines: Moyer Diebel warrants all new machines of its manufacture bearing the name "Moyer D[...]

  • Page 9

    v RevisionHistory  ........................................................................................................... i LimitedWarranty  ........................................................................................................... ii ModelDescriptions  ...............................................[...]

  • Page 10

    vi ModelDescription Model Description 201-HT , 401-HT , and 501-HT Models Pumped nal rinse high temperature sanitizing dishwasher with built-in 40°F rise stainless steel electric booster . Single Phase to Three Phase Field Conversion. 201-HTN, 401-HTN, and 501-HTN Models Pumped nal rinse high temperature sanitizing dishwasher without buil[...]

  • Page 11

    1 NOTE: The installation of your dishwasher must be performed by qualified service personnel. Problems due to improper installation are not covered by the W arranty . 1. Inspect the outside of the dishwasher carton for signs of damage. 2. Remove the carton and inspect the dishwasher for damage. 3. Check for any accessories that may have shipped wit[...]

  • Page 12

    2 Installation Electrical Connections For Model 201HT , 401HT , and 501HT machines beginning with S/N 14236 and above L1 L2 L3 N 208-230 V AC 208-230 V AC 208-230 V AC 1 15V AC GRD (For machines beginning with S/N 14236 and above) THREE PHASE POWER CONNECTION Model 201HT , 401HT , 501HT HOW TO CONNECT 3 PHASE POWER 1. Check the data plate on the fr[...]

  • Page 13

    3 Installation Electrical Connections W ARNING: Electrocution or serious injury may result when working on an energized circuit. Disconnect power at the main breaker or service disconnect switch before working on the circuit. Lock-out and tag the breaker to indicate that work is being performed on the circuit. 1. Refer to the connection diagrams ab[...]

  • Page 14

    4 Electrical Connections (continued) For Models 201HT , 401HT , and 501HT beginning with S/N 14236 and above Dishwashers shipped from the factory wired for 1 phase operation can be changed to 3 phase operation by following the procedure below . 1. Disconnect the main incoming power at the main service disconnect breaker or switch. 2. Remove the low[...]

  • Page 15

    5 Installation Booster Heater/W ash T ank Heater Interlock Circuit For Model 201HT , 401HT , 501HT dishwashers beginning with S/N 14236 and above. The booster heater/wash tank heater interlock circuit removes power from the wash tank heater whenever the booster heater contactor energizes. The illustration below shows how the booster heater contacto[...]

  • Page 16

    6 W ater Connections 1. All models have a 6 ft./1.8m exible hot water ll hose with a 3/4" female garden hose connector . 2. A 1/2" or larger main incoming supply line should be installed to the dishwasher . 3. A 1/2" or larger shut-off valve should be installed in the main water supply as close to the dishwasher as possible for[...]

  • Page 17

    7 Installation Drain Connections 1. All models have a 6 ft. 5/8" I.D. drain hose. The maximum drain height connection must not exceed 3 ft.[0.9 m]. 2. The drain hose is located at the rear of the dishwasher . A 5/8" hose-barb tting is strapped to the drain hose to connect the drain hose. 3. The drain hose is secured to the rear of the [...]

  • Page 18

    8 Filling the Booster Initial Start-up For Models 501HT , 401HT , and 201HT A B C Booster Fill Switch The booster heater is filled using the Booster Fill Switch. It is located behind the lower front access panel in the center of the bracket that holds the chemical dispensing pumps (see the photos to the right). Fill the booster heater: 1. Make sure[...]

  • Page 19

    9 Install Scrap Screen 1. Remove any protective lm from dishwasher . 2. Check the interior for foreign material. 3. Make sure the dishwasher is permanently located. 4. Make sure all utility connections are complete. 5. Make sure the exible drain hose and the hot water ll hose are not kinked. 6. Make sure that the chemical supply containers[...]

  • Page 20

    10 1. Models 201HT , 201HTN, 401HT , 401HTN, 501HT , and 501HTN: are equipped with a built-in detergent dispensing pump and a rinse-aid dispensing pump. The pumps are located behind the lower front access panel. 2. Each pump is equipped with a line-strainer , stiffener tube and 6 ft. of pick-up tubing. The pick-up tubes are marked with colored labe[...]

  • Page 21

    1 1 Initial Start-up Chemical Dispensing Pumps Chemical Injection Point 501L T and 201L T Chemical Dispensers A TTENTION (For L T Models Only), 5.25% sodium hypochlorite (chlorine bleach) must be used as a sanitizing agent to provide a minimum concentration of 50 ppm in the final rinse. The 50 ppm concentration must be checked using chlorine test s[...]

  • Page 22

    12 Chemical Dispensers Initial Start-up 1. Make sure the chemical containers are full and the correct pick-up tubes are in the containers. 2. T urn the dishwasher power switch ON. The switch will illuminate and the dishwasher will ll with water . 3. The Prime push button primes the Sanitizer pump and the Rinse-aid pump. The Detergent pump does n[...]

  • Page 23

    13 Note: The chemical dispensing pump speeds are not set at the factory because variations in the type of chemicals supplied by the chemical supplier usually require that the supplier make nal the adjustments. 1. Adjustment screws are provided for the dispensing pumps and for the wash tank ll. They are located on the right-side of the dishwas[...]

  • Page 24

    14 1. Push the POWER switch up to the ON position. The switch illuminates, water enters the wash compartment. The booster heater begins to heat the nal rinse water then the wash tank heater heats the wash tank water . 2. W ait 10 minutes for the booster to reach temperature. Then, run 2-3 empty cycles before inserting your rst rack of dishes.[...]

  • Page 25

    15 6. Check the rinse cycle temperature gauge during the final rinse cycle to ensure the final rinse temperature ranges between 180-195°F/82-91°C for high temperature models. 7. The green in-cycle light goes out completing the cycle. The final rinse water is held for the next wash cycle. 8. Open the dishwasher door and remove the dishrack of clea[...]

  • Page 26

    16 Operation Dishwasher Drain Operation 1. Push the dishwasher POWER switch up to the ON position. 2. The POWER switch illuminates and the machine lls with water . 3. Press and hold the green ST ART button for 1 second. (Silver button for Model 501HT). 4. Release the ST ART switch. 5. The dishwasher starts and the green cycle light illuminates. [...]

  • Page 27

    17 The best preventative maintenance is keeping the dishwasher as clean as possible during regular use. A regular cleaning schedule will increase the life of the dishwasher and ensure the best results. CAUTION: Damage to the unit or improper operation may occur if components are not flushed and cleaned on a regularly scheduled basis. Daily-End of t[...]

  • Page 28

    18 Clean Wash Nozzles and Bearings Daily-End of the Day (continued) Cleaning Cleaning 6. Reinstall the scrap screen. 7. Wipe the exterior of the dishwasher clean using a soft cloth and mild detergent. 8. Leave the dishwasher door open overnight to allow the inside to dry .[...]

  • Page 29

    19 After Meal Period or Every 8 Hours Clean the scrap screen after each meal period and more frequently if necessary in order to keep the scrap screen from becoming clogged. De-liming Y our dishwasher should be de-limed regularly . The frequency will depend on the mineral content of your water . Inspect your machine interior for lime deposits. If d[...]

  • Page 30

    20 The best maintenance you can perform is to keep your dishwasher clean. Before and During Operation - Check the temperature gauges during operation to ensure the proper temperatures are maintained. - Check the chemical supply container level and replenish if necessary . Weekly Maintenance 1. Inspect all water lines for leaks. 2. Check drain for l[...]

  • Page 31

    21 T roubleshooting Condition Cause Solution Dishwasher will not run. Low or no water . Chemicals won’t feed into dishwasher . Door not closed. Main power OFF . Dishwasher OFF . Main water supply off. Solenoid valve defective. Solenoid strainer clogged. Flow washer defective. T imer board defective. Chem ical s upply low . Supply tubing damaged. [...]

  • Page 32

    22 This Page Intentionally Left Blank Blank Page[...]

  • Page 33

    23 Service Replacement Parts Service Replacement Parts W ash Pump/Motor Assy - All Models .......................................................... 24 W ash T ank, Drain, Scrap Screens - All Models .......................................... 26 Built-in Electric Booster (201HT , 401HT , 501HT) ....................................... 28 Base Electri[...]

  • Page 34

    24 Wash Pump/Motor Assy - All Models 1 2 6 3 4 5 7 9 8 10 11 13 12[...]

  • Page 35

    25 Item Part Description Qty . No. No. 1 0512340 SCREW , M4.0x0.70 30mm PHILIPS P AN HEAD 9 2 0512341 IMPELLER HOUSING COVER 1 3 1 14144 NUT , M6 (left-hand threads) 1 4 0501501 W ASHER, LOCK, 1/4" 1 5 0501478 W ASHER, PLAIN, 17/64" 1 6 0512345 IMPELLER 1 7 1 14139 SEAL, PUMP 1 8 1 10285 GASKET 1 9 1 14137 PLA TE, BACKING 1 10 107337 NUT [...]

  • Page 36

    26 Wash T ank, Drain, Scrap Screens - All Models 2 6 4 23 28 29 3 18 7 8 9 10 12 13 14 5 17 15 16 19 22 20 1 1 21 24 25 26 26 Item 4 not used on Model 401 Item 6 & 26 not used on Model 401 29 Model 401 Only P/N Description Qty 1 10750 Gasket 2 1 10855 Plug 1/4" Plastic 2 1 10856 Nut 1/4" Plastic 2 Model 401 Only P/N Description Qty 10[...]

  • Page 37

    27 All Models - Wash T ank, Drain, Scrap Screens Item Part Description Qty . No. No. 1 0509302 94” DRAIN HOSE - 5/8” ID X 1” OD N/S 1 2 0712136 SCREEN, SCRAP ASSY 1 3 0512107 THERMOMETER, 7 FT . CAPILLARY (Except 501HT) 1 4 0512169 HEA TER, 120V AC 750W (For Low T emp.120V AC Models Only) (201HTN, 201L T , 401HTN 501HTN, 501L T) 1 ---- 051216[...]

  • Page 38

    28 Built-in Electric Booster (201HT , 401HT , 501HT) 1 2 3 4 5 6 7 8 10 1 1 12 13 14 15 16 14 15 17 18 14 13 12 19 15 20 21 14 22 14 15 23 24 401 HT Only[...]

  • Page 39

    29 Built-in Electric Booster (201HT , 401HT , 501HT) Item Part Description Qty . No. No. 1 0509042 BOOSTER T ANK 1 2 0512185 BOL T , HEX FLANGE 1/4-20 X 3/8 SS 2 3 0508817 PLUG, 1/8 HEX COUNTERSUNK 1 4 109985 SEAL, ELECTRIC HEA TER FLANGE 1 5 1 1 1235 HEA TER 5/6.6KW 208/240V 1 1 1 1233 HEA TER 7.5/10KW 208-240 (70 DEGREE RISE) 1 6 H161 123 COVER,H[...]

  • Page 40

    30 Base Electrical Components - All Models For Booster Heater (Prior to S/N 14236) For Booster Heater (Beginning with S/N 14236 and above) For Wash T ank Heater (All S/N’s) RINSE F I L L O F F O N - - + - BOOSTER FILL SWITCH WASH 1 1 2 9 5 5 8 7 6 3 4 4 10 For Wash T ank Heater (All S/N’s) 2 8 201HT , 401HT , 501HT 201L T , 501L T[...]

  • Page 41

    31 All Models - Base Electrical Components Item Part Description Qty . No. No. 1* 0512108 THERMOST A T , BOOSTER 1 (Beginning with S/N W14236 and above) (501HT , 401HT , 201HT) 1 109069 THERMOST A T , BOOSTER 1 (Prior to S/N W14236) (501HT , 401HT , 201HT) 2 0507323 THERMOST A T , W ASH T ANK 1 (All S/N's) (501HT , 401HT , 201HT) 3 0501373 SWI[...]

  • Page 42

    32 Fill Piping - All Models[...]

  • Page 43

    33 1 0502653 ELBOW , 90 DEGR 3/8MPTX1/2 HOSE 1 2 0512185 BOL T , HEX FLANGE 1/4-20 X 3/8 SS 4 3 0300065 SUPPORT , V AL VE 1 4 0300203 CLAMP , V AL VE 1 5 0502618 HOSE BARB, 1/2 X 3/8 MPT 1 6 0503679 CLAMP , SS GEAR-MIN. 5/16-MAX.7/8 1 7 0509526 HOSE, 1/2 X 7FT FEM.GARD.ADAPT . 1 8 0505320 W ASHER, 1” O.D. GARDEN HOSE 1 9 0504952 V AL VE, FILL 5.0[...]

  • Page 44

    34 Fill V alve Assy - All Models 5 6 7 8 9[...]

  • Page 45

    35 1 0504952 SOLENOID V AL VE, COMPLETE (5.0 GPM) 1 2 0502803 STRAINER SCREEN, SOLENOID V AL VE 1 3 0502804 W ASHER, SEAL 1 4 0504958 W ASHER, FLOW 5.0 GPM 1 5 0502807 GASKET 1 6 050281 1 KIT , REBUILD 1 7 0505229 GUIDE 1 8 0501406 SCREW , SLOT SS RH 8-32 X 1/2 3 9 0505235 COIL, 1 15V 60HZ 10W 1 Item Part Description Qty . No. No. All Models - Fill[...]

  • Page 46

    36 9 5 4 3 2 8 1 7 6 FROM RINSE-AID AND SANITIZER PUMPS FROM DETERGENT PUMP FROM TOP OF BOOSTER OR FILL V AL VE Fill Chute Assy - All Models[...]

  • Page 47

    37 1 106090 TIE PLA TE 2 2 0509048 GASKET , INLET CHUTE 1 3 0508867 CHUTE, INLET INJ.MOLDED 1 4 0507709 W ASHER, FLA T #10 SS 4 5 0503722 NUT , HEX 10-32 SS 6 6 0502666 HOSE, 1/8ID X 1/4OD PVC 8 ft. (RINSE AID AND SANITIZER PUMP) 7 0502667 HOSE, 1/4ID X 3/8OD PVC 8 ft. (DETERGENT PUMP) 8 107417 HOSE, RUBBER 1/2ID X .84OD 5 ft. 9 0308822 CLIP , HOSE[...]

  • Page 48

    38 8 10 1 1 1 1 12 12 13 13 17 18 19 20 21 22 23 25 26 15 15 16 17 16 14 14 8 24 23 Sprayarm Assy . - All Models[...]

  • Page 49

    39 1 0501478 W ASHER, 17/64IDX9/16 OD18G SS 4 2 107967 NUT , HEX SS 1/4-20 NYLON INSERT 4 3 H35509 HUB,UPPER W ASH ARM 1 4 107873 W ASHER, P ACKING 1 5 1 10215 SCREW , RET AINING 1 6 0502571 CLAMP ,HOSE GEAR HOSE 1-1/2” SS 2 7 0512120 HOSE, UPPER W ASH ARM, 1 8* 0712749 ASSY ., BEARING 2 9 0512129 NUT , W ASH ARM 2 10 0512133 O RING, 2 1/8 OD X 1[...]

  • Page 50

    40 2 1 4 5 8 9 8 16 19 17 20 15 14 6 3 13 10 18 4 T ry replacing the 4 Amp fuse before replacing the circuit bd. 7 11 12 Main T erminal Block, Timer Board - All Models[...]

  • Page 51

    41 Item Part Description Qty . No. No. All Models - Main T erminal Block, Timer Board 1 107964 BUSHING, SNAP (ALL) 3 2 0312188 BASE, TIMER ENCLOSURE 1 3 0508710 SP ACER, 5/16 6 4 050141 1 SCREW , 10-32 X 1/4 RH SLOT SS 3 5 0312189 COVER, TIMER ENCLOSURE 1 6 0512243 LABEL, ADJUSTMENT 1 7  0712105 TIMER CKT BD. SOLID ST A TE 1 8 0512373 FUSE, 4A 2[...]

  • Page 52

    42 Rinse-aid/Sanitizer Chemical Dispensing Pump - All Models T o Injection Point 1 1 10[...]

  • Page 53

    43 1 0503756 MOTOR, INJECT OR PUMP 1 2 0706635 TUBE, ELEMENT ASSEMBL Y 45CC 1 3 0707142 ROTOR, ASSEMBL Y 1 4 0501519 TIE, NYLON 4" 4 5 0505483 LABEL, RINSE AID 1 ---- 0503694 LABEL, SANITIZER 1 6 0306363 TUBE,1/2 ID X1 1-7/8 LG. STIFFENER 1 7 0501869 STRAINER 1 8 0504822 SCREW , 8-32 X 1/2 P AN HD PH S.S 1 9 0506589 SCREW , P AN 6-32 X 7/8 SS [...]

  • Page 54

    44 10 9 8 7 5 6 5 4 3 2 1 Y ellow Rollers Check the squeeze tube every six months for wear . 6 5 5 7 Detergent Chemical Dispensing Pump - All Models[...]

  • Page 55

    45 1 0510870-1 GEARMOTOR,108 RPM, 1 15/60/1 1 2 1 14203 PUMP HD KIT , PERIST ALIC 1 3 1 14202 TUBE ASY ,SANT OPRENE,1/4IDX8.25 1 4 0512369 CLAMP , HOSE 2 5 0501519 TIE, NYLON 4" 4 6 0502644 ELBOW , 1/4 HOSE BARB 1 7 0502667 HOSE, 1/4ID X 3/8OD A/R 8 0503695 LABEL, DETERGENT 1 9 0306363 TUBE,1/2IDX1 1-7/8LG. STIFFENER 1 10 0501869 STRAINER 1 It[...]

  • Page 56

    46 1 2 6A 4 6 9 3 10 3A 3B 8 7 W ASH RINSE 5 5A 401HT ONL Y 401HT ONL Y Control Panel - (201HT/HTN, 201L T , 401HT/HTN, 501L T)[...]

  • Page 57

    47 1 0512220 SWITCH, ROCKER DPDT , 120V AC, (201HTN, 1 201L T , 401HTN, 501L T , 501HTN 1 0512221 SWITCH, ROCKER DPDT , 250V AC 1 (201HT , 401HT ) 1 2 0512232 LIGHT , INDICA TOR, GREEN LED, 2VDC, (All Models) 1 3 0512218 PUSHBUTTON,GREEN 1 3A 0512217 HOUSING, SWITCH 1 3B 0512216 CONT ACT , MOMENT ARY , N.O. 1 4 0512226 SWITCH, ROCKER, ROUND, SPDT ,[...]

  • Page 58

    48 1 3 4 12 7 8 8 10 10 1 1 5 6 2 9 5 12 13 Control Panel with Digital Display - (501HT , 501HTN)[...]

  • Page 59

    49 1 0512221 SWITCH, ROCKER DPDT , 250V NEON (501HT) 1 --- 0512220 SWITCH, ROCKER DPDT , 120V NEON (501HTN) 2 0512232 LIGHT , INDICA TOR, GREEN LED, 2VDC 2 3 0512213 SWITCH, PIEZO 2 4 0512226 SWITCH, ROCKER, ROUND, SPDT , MOMENT ARY 1 5 0501408 SCREW , TRUSS, SLOT SS 8-32 X 1/4 2 6 05121 13 LABEL 1 7 0512357 SP ACER, DIGIT AL DISPLA Y BOARD 2 8 050[...]

  • Page 60

    50 Door Assembly - All Models 1 2 3 4 5 6 7 8 9 10 9[...]

  • Page 61

    51 1 0312171 HANDLE, DOOR 1 0312172 HANDLE, DOOR, 501HT ONL Y 2 0501408 SCREW , TRUSS SLOT SS 8-32" X 1/4" 2 3 0712164 DOOR WELDED ASSY 1 4 0712162-1 HINGE, RH ASSY 1 5 106026 WASHER, SS 9/32" X 5/8" OD 1 6 0501422 BOL T , HEX SS 1/4-20 X 1" 1 7 0512122 SPRING, DOOR 2 8 0712162 HINGE, LH ASSY 1 9 0512320 GASKET , STEAM 2 10[...]

  • Page 62

    52 Panel Assembly - All Models 4 2 3 3 1 4 Prior to S/N W100120006 Beginning with S/N W100120006 and above 5 6 7 6 6 8 9 6 10 1 1 15 16 12 13 14[...]

  • Page 63

    53 1 0312193 P ANEL, FRONT (201HT/HTN, 201L T , 501L T) 1 --- 0312193 P ANEL, FRONT (401HT) 1 (Prior to S/N W100120006) 2 0312372 P ANEL, FRONT (501HT , 501HTN) 1 3 100779 SCREW 1/4-20X5/8 TRUSS SS PHIL 2 4 108826 PLUG, HOLE 3/4" 2 5 0312174 P ANEL, RH SIDE 1 6 100007 SCREW TRUSS SLOT SS 10-32X3/8 2 7 0312191 P ANEL, BACK 1 8 0312212 HOOD, MOY[...]

  • Page 64

    54 Dish Racks 1 2 1 101273 DISH RACK, FLA T -BOTTOM A/R 2 101285 DISH RACK, PEG A/R Item Part Description Qty . No. No.[...]

  • Page 65

    55 Electrical Schematics Electrical Schematics Low T emp. 201L T , 501L T (All S/N’s) ............................................................... 56 High T emp. 201HTN, 401HTN, 501HTN (All S/N’s) ......................................... 57 High T emp. 201HT , 401HT , 501HT (Prior to S/N 14236) .................................. 58 High T e[...]

  • Page 66

    56 Low T emp. - 201L T , 501L T - All S/N’s Low T emperature Undercounter - All S/N’s[...]

  • Page 67

    57 High T emp.- All S/N’s - 201HTN, 401HTN, 501HTN All S/N’s 201HTN, 401HTN, 501HTN High T emperature Dishwasher w/o Built-in Booster[...]

  • Page 68

    58 High T emp. - 201HT , 401HT - Prior to S/N 14236 Prior to S/N 14236 201HT , 401HT High T emp w/ built-in boosters[...]

  • Page 69

    59 Beginning with S/N 14236 - 201HT , 401HT - High T emp. Beginning with S/N W14236 and above 201HT , 401HT High T emperature Dishwasher with built-in booster .[...]

  • Page 70

    60 LOW VOLTAGE SECTION MAXIMUM OVERCURRENT PROTECTION 40 AMPS MINIMUM CIRCUIT AMPACITY 40 AMPS PROTECTION 30 AMPS MINIMUM CIRCUIT AMPACITY MAXIMUM OVERCURRENT 30 AMPS 2 AND 5 VDC EWL DVC DIAGRAM STATE END OF CYCLE POWER-OFF DOOR-OPEN WP DP RAP DEP FRV DVO CPS BFS SS EWS DSS CL POL 1 2 COMMON 0512092 REV 3 208/230 VAC NUMBER/REV BOOSTER HEAT 1HTR BT[...]

  • Page 71

    61 Beginning with S/N 14236 and above 501HT High T emperature Digital Display Undercounter Beginning with S/N 14236 - 501HT - High T emp.[...]

  • Page 72

    62 Timer Chart - All Models TIMER CHART[...]

  • Page 73

    63 Basic Service Basic Service Digital T emperature Display Board (501HT Only) ...................................... 64 Digital T emperature Display Codes (501HT Only) ...................................... 65 T imer Board Selector Switch (All Models) .................................................. 66 T imer Board T roubleshooting Guide (All Mo[...]

  • Page 74

    64 Digiital T emperature Display Board - 501HT Service Bulletin 501HTM3, UH200B April 2008 Part # 0512106 Digital T emperature Display Board The digital temperature display board does not control temperature, and is not interfaced with the timer board. The wash display will update every 10 seconds • The rinse display updates every 20 seconds if t[...]

  • Page 75

    65 Digiital T emperature Display Board - 501HT      W ash temperature is below 100°F Bad booster thermistor Open or broken wire between thermistor and board Loose connection W ash tank has no water and is extremely[...]

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    66 Timer Connection Diagram - All Models T imer Connection Diagram Solid State T imer P/N 0512105 201, 401, 501, UH100, UH170, UH200 January 2009 REBOOT AFTER MODEL SELECTION OUTPUT SANITIzER w ASH MOTOR OUTPUT OUTPUT RINSE AID OUTPUT DETERgENT OUTPUT FILL v AL vE DRAIN v AL vE OPEN DRAIN v AL vE CLOSED LOw vOL T AgE PLUg • ST ART SwITCH • SCRU[...]

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    67 All Models - Timer Board T roubleshooting Test/Condition Indication/Cause Recomendation/Solution 1. Run LED is lit Board has power Machine is powered up and Run LED Possible bad start switch, scrub switch Unplug low voltage plug. If Run LED lights up: is not lit or wiring short (does not apply to S.S. The start switch or scrub switch failed in t[...]

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    68 Timer Board Diagnostic T esting Press and release the SCRUB/EXT W ASH switch if equipped If the green indicator light for the scrub switch flashes, the scrub/ext wash switch works ST ART SCRUB POWER PR 4 Before testing, turn the power switch OFF and allow the machine to complete the drain cycle. Check incoming voltages 1 Open the door If the gr[...]