Moyer Diebel 201HT M4 Series Installation & Operation Manual
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Moyer Diebel 201HT M4 Series Installation & Operation Manual

M4 series undercounter dishwashers
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Installation/Operation Manual
201HT
201LT
3765 Champion Blvd.,
Winston-Salem, NC 27105
(336) 661-1556 Fax: (336) 661-1660
Toll-free: (800) 858-4477
with Service Replacement Parts
2674 N. Service Road, Jordan Station
Ontario, Canada L0R 1S0
(905) 562-4195 Fax: (905) 562-4618
Toll-free: (800) 263-5798
Undercounter Dishwashers
201HT
High Temperature Wash
Refresh with built-in booster
and Pumped Final Rinse
201LT
Low Temperature Chemical
Sanitization Wash Refresh
with Pumped Final Rinse
Issue Date: 7.17.15
Manual P/N
115743 rev. _
For machines beginning with S/N W150350341 and above
M4 Series
Printed in the USA

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  • Page 1 with Service Replacement Parts Installation/Operation Manual Undercounter Dishwashers M4 Series 201HT High Temperature Wash Refresh with built-in booster and Pumped Final Rinse 201HT 201LT Low Temperature Chemical Sanitization Wash Refresh with Pumped Final Rinse 201LT Issue Date: 7.17.15 Manual P/N 115743 rev.
  • Page 2 For future reference, record your dishwasher information in the box below. Model Number__________________________ Serial Number_______________________ Voltage________________Hertz_____________ Phase__________________ Service Agent __________________________________ Tel:______________________ Parts Distributor _________________________________ Tel:______________________ National Service Department ATTENTION: In Canada: The model no., serial no., voltage, Hz Toll-free: (800) 263-5798 and phase are needed to identify your Tel: (905) 562-4195...

  • Page 3: Product Registration

    PRODUCT REGISTRATION ONLINE Connect to the internet and enter the URL below to register your machine. IN CANADA: http://www.championindustries.com/canada/register...
  • Page 4 PRODUCT REGISTRATION BY FAX COMPLETE THIS FORM AND FAX TO: (336) 661-1660 in the USA 1 (800) 204-0109 in Canada PRODUCT REGISTRATION CARD Model Serial # Date of Installation: Company Name: Address: (Street) State Zip or Telephone #: ( or Province Postal Code Contact: Installation Company:...

  • Page 5: Revision History

    Revision History Revision History A revision might be a part number change, a new instruction, or other information that was not available at print time. We reserve the right to make changes to these instructions without notice and without incurring any liability by making the changes. Equipment owners may request a revised manual, at no charge, by calling 1 (800) 858-4477 in the USA or by calling 1 (800) 263-5798 in Canada.

  • Page 6: Limited Warranty

    The Company's obligation with respect to labor associated with any repairs shall end (a) 120 days after shipment, or (b) 90 days after installation, whichever occurs first. In the event that Moyer Diebel elects to repair, the labor and work to be performed in connection with the warranty shall be done during regular working hours by The Company's authorized service technician.

  • Page 7: Table Of Contents

    Table of Contents Table of Contents ModelS 201HT, 201LT Revision History ......................i Limited Warranty ...................... ii ..............Installation - Model 201HT Receiving - 201HT ....................1 Placement - 201HT ....................1 Water Connections - 201HT ..................2 Drain Connections - 201HT ..................3 Electrical Connections 201HT 1 Phase w/o Booster - 201HT ........
  • Page 8 Table of Contents Table of Contents Model 201LT ..............Installation - Model 201LT Receiving - 201LT ....................37 Placement - 201LT ....................37 Single Phase Electrical Connections - 201LT ............. 38 Water Connections - 201LT ..................39 Drain Connections - 201LT ..................40 Pumps and Injection Points - Detergent and Rinse-aid Dispensing Pumps - 201LT ....

  • Page 9: Installation - Model 201Ht

    Receiving and Placement - Installation Receiving - 201HT NOTE: The installation of your dishwasher must be performed by qualified service personnel familiar with food service equipment and must comply with all local health codes. Problems due to improper installation are not covered by the Limited Warranty. NOTE: The installation of the dishwasher must comply with all local electrical, plumbing, health and safety codes or in the absence of local codes, installed in accordance with the applicable...

  • Page 10: Water Connections - 201Ht

    Installation - 201HT Water Connections - 201HT NOTE: The installation of your dishwasher must be performed by qualified service personnel familiar with food service equipment. Problems due to improper installation are not covered by the Limited Warranty. The installation of the dishwasher must comply with all local electrical, plumbing, health and safety codes or in the absence of local codes, installed in accordance with the applicable requirements in the National Electrical Code, NFPA 70, Canadian Electrical Code (CEC), Part 1, CSA C22.1;...

  • Page 11: Drain Connections - 201Ht

    201HT - Installation Drain Connections - 201HT ! VERY IMPORTANT ! Do not connect the drain hose to a disposer. The dishwasher will not drain correctly. Refer to the photo below. All models are equipped with a 6 ft.. 5/8" I.D. drain hose. The maximum drain height connection must not exceed 3 ft.[1 m] and must be vented to prevent the wash tank from siphoning.
  • Page 12 Installation - 201HT Drain Connection - 201HT (continued) DO NOT REMOVE THE CLAMPS HOLDING THE DRAIN HOSE TO THE BACK OF THE DISHWASHER. DO NOT CONNECT THE DRAIN HOSE TO A DISPOSER. DO NOT REDUCE THE SIZE OF THE DRAIN HOSE CONNECTION NOR USE A DOMESTIC DRAIN FITTING.

  • Page 13: Air Gap

    201HT - Installation Drain Connection - 201HT For an Indirect Drain Connection: A 1" [25.4mm] minimum air gap must be provided between the outlet of the dishwasher drain hose and the flood-level rim of the floor drain, floor sink or any other locally approved drain receptacle.

  • Page 14: Electrical Connections 201Ht 1 Phase W/O Booster - 201Ht

    Installation - 201HT Electrical Connections - 201HT 1PH without Built-in Booster WARNING: 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 or service disconnect switch to indicate that work is being performed on the circuit.

  • Page 15: Electrical Connections 201Ht 1 And 3 Ph Wiring Diagrams - 201Ht

    201HT - Installation Electrical Connections - 201HT with Built-in Booster 1PH and 3PH Wiring Diagrams ! ATTENTION ! ALL DISHWASHERS ARE SHIPPED FROM THE FACTORY WIRED FOR SINGLE PHASE OPERATION UNLESS SPECIFIED AT THE TIME OF ORDER. IF YOU ARE CONVERTING A SINGLE PHASE MACHINE TO THREE PHASE BE SURE TO FOLLOW THE BOOSTER WIRING INSTRUCTIONS ON PAGES 11-13.

  • Page 16: Connecting Incoming Power To The Main Terminal Block (1 And 3 Ph) - 201Ht

    Installation - 201HT Connecting Incoming Power to the Main Terminal Block for 1PH and 3PH Machines with Boosters- 201HT WARNING: 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.
  • Page 17 201HT - Installation Connecting Incoming Power to the Main Terminal Block for 1PH and 3PH Machines with Boosters- 201HT Refer to the photo below: Remove the lower front dishwasher panel. Remove the retaining fasteners (A) from the swing-out brackets and swing the chemical pump bracket (B) and the chemical circuit board bracket (C) out of the way as shown.
  • Page 18 Installation - 201HT Connecting Incoming Power to the Main Terminal Block for 1PH and 3PH Machines with Boosters (continued from previous page) Refer to the photo below: Provide a 3 foot/1 meter service loop in the power supply cable to service the machine Route the power cable from the rear of the machine to the terminal block making sure the cable does not touch the booster tank.

  • Page 19: Booster Heater Conversion From 1 To 3 Ph - 201Ht

    201HT - Installation Booster Heater Conversion from 1PH to 3 PH Operation ! VERY IMPORTANT ! THE BOOSTER HEATER IS WIRED FOR 1PH OPERATION WHEN SHIPPED. FOLLOW THE INSTRUCTIONS BELOW TO WIRE THE BOOSTER FOR 3PH. WARNING: Electrocution or serious injury may result when working on an energized circuit.
  • Page 20 Installation - 201HT Booster Heater Conversion from 1PH to 3 PH Operation (continued) ! VERY IMPORTANT ! THE BOOSTER HEATER IS WIRED FOR 1PH OPERATION WHEN SHIPPED. FOLLOW THE INSTRUCTIONS BELOW TO WIRE THE BOOSTER FOR 3PH. Disconnect the existing booster heater wires and change the booster heater element jumpers as shown in the illustration below Connect wires 1H1, 1H2, and 1H3 as shown below.
  • Page 21 201HT - Installation Completing the 1PH to 3PH Electrical Conversion ! ATTENTION ! CHANGE THE DATA PLATE ON THE LOWER FRONT PANEL OF THE MACHINE AFTER THE MACHINE IS WIRED FOR 3PH AND THE BOOSTER HEATER IS CONNECTED FOR 3PH. The data plate on the dishwasher lower front panel must be changed after the machine is converted from single phase operation to three phase operation.

  • Page 22: Booster Fill Switch - (Filling The Booster For The First Time) - 201Ht

    Installation - 201HT Booster Fill Switch - 201HT (Filling the booster tank for the first time) ! CAUTION ! AVOID PERMANENT DAMAGE TO THE BOOSTER HEATER DO NOT TURN THE DISHWASHER POWER SWITCH ON WHEN FILLING THE BOOSTER FOR THE FIRST TIME. THE BUILT-IN BOOSTER TANK WAS DRAINED BEFORE SHIPMENT AND MUST BE REFILLED BEFORE OPERATING THE DISHWASHER.
  • Page 23 201HT - Installation Booster Fill Switch - 201HT (Filling the booster tank for the first time) PUSH AND HOLD the booster fill switch in the FILL position until water starts filling inside the wash compartment. Release the FILL switch. PUSH the booster fill switch to the ON position and release. The booster fill operation is complete.

  • Page 24: Chemical Connections - 201Ht

    Installation - 201HT Chemical Connections - 201HT ! VERY IMPORTANT ! ALWAYS USE A COMMERCIAL-GRADE NON-CHLORINATED DETERGENT. PLACE THE CHEMICAL SUPPLY CONTAINERS AS CLOSE TO THE MACHINE AS POSSIBLE. DO NOT ELEVATE THE CHEMICAL CONTAINERS ABOVE THE FINISHED FLOOR. ! VERY IMPORTANT ! Contact a chemical supplier for detergent and rinse-aid chemicals.

  • Page 25: Pumps And Injection Points - Detergent And Rinse-Aid Dispensing Pumps - 201Ht

    201HT - Installation Detergent and Rinse-aid Pumps and Injection Points - 201HT ! VERY IMPORTANT ! ALWAYS USE A COMMERCIAL-GRADE NON-CHLORINATED DETERGENT. PLACE THE CHEMICAL SUPPLY CONTAINERS AS CLOSE TO THE MACHINE AS POSSIBLE. DO NOT ELEVATE THE CHEMICAL CONTAINERS ABOVE THE FINISHED FLOOR. Injection Point Locations 1.
  • Page 26 Blank Page This Page Intentionally Left Blank...

  • Page 27: Pump Priming - Detergent And Rinse-Aid Dispensing Pumps - 201Ht

    201HT - Installation Detergent and Rinse-aid Pumps and Injection Points - 201HT Priming the Dispensing Pumps ! VERY IMPORTANT ! The chemical dispensing pumps must be primed before operating the dishwasher and whenever the chemical container is changed. 201HT Control Panel The chemical dispensing pump supply lines must be primed before they will pump the chemicals properly.
  • Page 28 Installation - 201HT Detergent and Rinse-aid Pumps and Injection Points - 201HT ! ATTENTION ! The amount of dispensed chemical is determined by the run time of the dispensing pump. Refer to the photo below: 1. The chemical dispensing pump run and the tank fill adjustment screws are located on the end of the chemical circuit board swing-out bracket.

  • Page 29: Fill Adjustments - Detergent And Rinse-Aid Dispensing Pumps - 201Ht

    201HT - Installation Detergent and Rinse-aid Pumps and Injection Points - 201HT Refer to the photo below: To adjust the amount of chemicals dispensed by the pumps: Make sure the chemical containers are full and the pick-up tubes are in their proper containers. Turn the dishwasher power switch ON.

  • Page 30: Operation - Model 201Ht

    Operation - 201HT Operation - 201HT Loading Dish Racks ! VERY IMPORTANT ! DO NOT OVERLOAD THE DISH RACK. LOAD ONE DISH RACK INTO THE MACHINE AT A TIME. Prescrap and rinse the wares before loading to remove large food particles. Load soiled wares into the dish rack.
  • Page 31 201HT - Operation Loading Dish Racks (continued) Load pots and pans in a flat-bottom rack. Load utensils in a single layer in a flat-bottom rack. Load cups and bowls in a flat-bottom rack. NEVER stack dish racks. Wash one dish rack at a time.

  • Page 32: Normal Wash Mode - 201Ht

    Operation - 201HT Operation - 201HT Normal Wash Mode 201HT Control Panel ON-OFF/DRAIN Scrub Wash Temperature Prime In-cycle Light Start Final Rinse Temperature Power Switch Delime Digital Display Push button Push button Digital Display Pushbutton Close the dishwasher front door. Push the dishwasher Power Switch UP to turn the power ON.

  • Page 33: Scrub Mode - 201Ht

    Operation - 201HT Scrub Mode - 201HT The Scrub Mode is used to wash heavily soiled items such as pots, pans and other wares that require more washing time than the standard Normal Wash Mode. The dishwasher will remain in the Scrub Mode until the operator exits the mode or 15 minutes has elapsed.

  • Page 34: Rinse Sentry Mode - 201Ht

    Operation - 201HT Rinse Sentry Mode - 201HT ! ATTENTION ! DOOR LEFT OPEN DURING WASH CYCLE If the dishwasher door is left open for more than 5 seconds during the normal wash mode, then the dishwasher cycle will reset to the beginning of the normal wash cycle. ! ATTENTION ! RINSE SENTRY MODE WILL EXTEND WASH CYCLE TIME In the event that the final rinse temperature has not reached 180-195ºF/82-91ºC after the...
  • Page 35 201HT - Operation 201HT - Operation Drain Mode (continued) Push the illuminated power switch down to the OFF/(DRAIN) position. The power switch light will go out. The cycle light will illuminate and the machine will drain. The machine, will flush, perform 3 short drain cycles and then drain completely. The cycle light will go out indicating that the drain cycle is complete.

  • Page 36: Cleaning - Model 201Ht

    Cleaning - 201HT Cleaning - 201HT VERY IMPORTANT DRAIN AND CLEAN THE DISHWASHER EVERY 2 HOURS OF CONTINUOUS OPERATION, AFTER EACH MEAL PERIOD, AND AT THE END OF THE DAY. Cleaning the wash tank: Remove the upper and lower spray arms and flush clean in a sink. Remove the scrap screen taking care that debris does not fall off the screen and into the wash tank or sump.

  • Page 37: Cleaning The Wash Arms - 201Ht

    201HT - Cleaning 201HT - Cleaning Cleaning the wash arms: Unscrew the retaining screw from the upper and lower interchangeable spray arms. Flush the spray arms clean in a sink. Be sure to flush the wash arm bearings. Retaining Screw Wash Arm Bearing 201HT...
  • Page 38 Cleaning - 201HT Cleaning - 201HT Scrap Screen and Sump Strainer Scrap Lift the scrap screen straight up and out of the machine to prevent food particles from falling Screen into the tank sump. Flush the scrap screen in a remote sink making sure to back-flush both side of the screen.

  • Page 39: Cleaning Scrap Screen And Sump Strainer - 201Ht

    Blank Page This Page Intentionally Left Blank...

  • Page 40: De-Liming - Model 201Ht

    De-liming - 201HT De-liming - 201HT DANGER: Death or serious injury may result when de-liming solution is mixed with sodium hypochlorite sanitizing agent. Mixing may cause hazardous gases to form. De-liming solution and other acids must never be mixed with chlorine, iodine, bromine, or fluorine. CAUTION: Skin contact with de-liming solutions can cause severe irritation and possible chemical burns.
  • Page 41 201HT - De-liming De-liming - 201HT A de-liming agent must be used in accordance with your chemical supplier's instructions. Follow the steps below to de-lime the 201HT: Open the dishwasher door and remove any dish racks. Turn the power switch on the dishwasher to the ON position. Remove the detergent and rinse-aid, and sanitizer chemical supply tubing from their chemical supply containers.

  • Page 42: Maintenance - Model 201Ht

    Maintenance - 201HT Maintenance - 201HT Follow the maintenance schedules below to keep the dishwasher operating most efficiently. Daily Maintenance Make sure the water supply is on and that the drain is not clogged. Check the temperature gauges and/or displays to ensure they are operating. Make sure the dish racks are in good condition.
  • Page 43 Model 201LT Low Temperature Undercounter Dishwasher Model 201LT Low Temperature Undercounter Dishwasher...
  • Page 44 Blank Page This Page Intentionally Left Blank...

  • Page 45: Installation - Model 201Lt

    Receiving and Placement - Installation Receiving - 201LT NOTE: The installation of your dishwasher must be performed by qualified service personnel familiar with food service equipment and must comply with all local health codes. Problems due to improper installation are not covered by the Limited Warranty. NOTE: The installation of the dishwasher must comply with all local electrical, plumbing, health and safety codes or in the absence of local codes, installed in accordance with the applicable...

  • Page 46: Single Phase Electrical Connections - 201Lt

    Installation - 201LT (Single Phase) Electrical Connections - 201LT WARNING: 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 or service disconnect switch to indicate that work is being performed on the circuit.

  • Page 47: Water Connections - 201Lt

    201LT - Installation Water Connection - 201LT ! VERY IMPORTANT ! Make sure that the flexible water supply and drain hoses are not kinked. Plumbing connections must allow the machine to be pulled out for service and cleaning. Plumbing connections must comply with national, provincial local plumbing and sanitary codes. Only qualified service personnel familiar with food service equipment should install the machine.

  • Page 48: Drain Connections - 201Lt

    Installation - 201LT Drain Connection - 201LT (continued) NOTE Plumbing connections must comply with national, provincial local plumbing and sanitary codes. DO NOT REMOVE THE CLAMPS HOLDING THE DRAIN HOSE TO THE BACK OF THE DISHWASHER. DO NOT CONNECT THE DRAIN HOSE TO A DISPOSER. DO NOT REDUCE THE SIZE OF THE DRAIN HOSE CONNECTION NOR USE A DOMESTIC DRAIN FITTING.
  • Page 49 201LT - Installation For an Indirect Drain Connection: A 1" [25.4mm] minimum air gap must be provided between the outlet of the dishwasher drain hose outlet and the flood-level rim of the floor drain, floor sink or any other locally approved drain receptacle.

  • Page 50: Pumps And Injection Points - Detergent And Rinse-Aid Dispensing Pumps - 201Lt

    Installation - 201LT Pumps and Injection Points - Detergent, Rinse-aid and Sanitizer Dispensing Pumps - 201LT ! VERY IMPORTANT ! ALWAYS USE A COMMERCIAL-GRADE NON-CHLORINATED DETERGENT. PLACE THE CHEMICAL SUPPLY CONTAINERS AS CLOSE TO THE MACHINE AS POSSIBLE. DO NOT ELEVATE THE CHEMICAL CONTAINERS ABOVE THE FINISHED FLOOR. ! VERY IMPORTANT ! Contact a chemical supplier for detergent and rinse-aid chemicals.
  • Page 51 201LT - Installation Pumps and Injection Points - Detergent, Rinse-aid and Sanitizer Dispensing Pumps - 201LT ! VERY IMPORTANT ! RINSE-AID CHEMICAL SQUEEZE TUBES SHOULD BE INSPECTED AND REPLACED EVERY 6 MONTHS SANITIZER DETERGENT The chemical dispensing pumps are located on the bracket behind the lower-front access panel.

  • Page 52: Pump Priming - Detergent And Rinse-Aid Dispensing Pumps - 201Lt

    Installation - 201LT Pump Priming - Detergent, Rinse-aid and Sanitizer Dispensing Pumps 201LT Control Panel Prime Push button Make sure the chemical containers are full and the correct pick-up tubes are in their containers. Turn the dishwasher power switch ON. The switch will illuminate and the dishwasher will fill with water.

  • Page 53: Fill Adjustments - Detergent And Rinse-Aid Dispensing Pumps - 201Lt

    201LT - Installation Pump and Tank Fill Adjustments ! ATTENTION ! The amount of dispensed chemical is determined by the run time of the dispensing pump. Adjustment screws are provided for the dispensing pumps and for the wash tank fill. They are located on the right-hand side of the dishwasher behind the lower front access panel.

  • Page 54: Operation - Model 201Lt

    Operation - 201LT Operation - 201LT Loading Dish Racks ! VERY IMPORTANT ! Prescrape and rinse wares before loading into the machine. ! VERY IMPORTANT ! DO NOT OVERLOAD THE DISH RACK. LOAD ONE DISH RACK INTO THE MACHINE AT A TIME. Load cups and bowls in a flat bottom rack.

  • Page 55: Normal Wash Mode - 201Lt

    UL130 - Operation Operation - 201LT Normal Wash Mode Cycle Light Combination Wash and Final Vari-Cycle ON-OFF/DRAIN Rinse Temperature Gauge Start Prime Delime Switch Power Switch Push button Push buttons and Light Close the dishwasher front door. Push the dishwasher Power Switch UP to turn the power ON. The power switch will illuminate and the machine will fill with water.

  • Page 56: Vari-Cycle Mode - 201Lt

    Operation - 201LT Vari-Cycle Mode - 201LT The Vari-Cycle Wash Mode is used to wash heavily soiled items such as pots, pans and other wares that require more washing time than the standard Normal Wash Mode. The dishwasher will remain in the Vari-cycle Mode until the operator exits the mode or 15 minutes has elapsed. Load a dish rack into the dishwasher, close the door and press the START button.

  • Page 57: Drain Mode - 201Lt

    201LT - Operation Drain Mode The dishwasher will enter the drain mode whenever the Power Switch is pushed down to the OFF/DRAIN position. (DRAIN) POWER Push the illuminated power switch down to the OFF/DRAIN position. The power switch light will go out. The cycle light will illuminate and the machine will drain.

  • Page 58: Cleaning - Model 201Lt

    Cleaning - 201LT Cleaning - 201LT Retaining Screw Wash Arm Bearing VERY IMPORTANT DRAIN AND CLEAN THE DISHWASHER EVERY 2 HOURS OF CONTINUOUS OPERATION, AFTER EACH MEAL PERIOD, AND AT THE END OF THE DAY. Cleaning the wash tank: Remove the upper and lower spray arms and flush clean in a sink. Remove the scrap screen taking care that debris does not fall off the screen and into the wash tank or sump.

  • Page 59: Cleaning Scrap Screen And Sump Strainer - 201Lt

    201LT - Cleaning Cleaning - 201LT (continued) Scrap Screen and Sump Strainer Lift the scrap screen straight up and out of the machine to prevent food particles from Scrap falling into the tank sump. Screen Flush the scrap screen in a remote sink making sure to back-flush both side of the screen.

  • Page 60: De-Liming - Models 201Lt

    De-liming - 201LT De-liming - 201LT DANGER: Death or serious injury may result when de-liming solution is mixed with sodium hypochlorite sanitizing agent. Mixing may cause hazardous gases to form. De-liming solution and other acids must never be mixed with chlorine, iodine, bromine, or fluorine. CAUTION: Skin contact with de-liming solutions can cause severe irritation and possible chemical burns.
  • Page 61 201LT - De-liming 201LT De-liming Follow the steps below to de-lime the 201LT: Open the dishwasher door and remove any dish racks. Turn the power switch on the dishwasher to the ON position. Remove the detergent and rinse-aid, and sanitizer chemical supply tubing from their chemical supply containers.

  • Page 62: Maintenance - Model 201Lt

    Maintenance - 201LT Follow the maintenance schedules below to keep the dishwasher operating most efficiently. Daily Maintenance Make sure the water supply is on and that the drain is not clogged. Check the temperature gauges and/or displays to ensure they are operating. Make sure the dish racks are in good condition.
  • Page 63 201HT, 201LT - Troubleshooting Chart and Timing Charts Models 201HT, 201LT Troubleshooting Charts...
  • Page 64 Blank Page This Page Intentionally Left Blank...

  • Page 65: Troubleshooting - Models 201Ht, 201Lt

    Troubleshooting 201HT, 201LT Illustrations Page Troubleshooting Chart - 2101HT, 201LT ..............60 Wash Display Codes Temperature Display Board - 201HT Only ......... 61 Rinse Display Codes Temperature Display Board - 201HT Only ........62 Booster Display Codes Temperature Display Board - 201HT Only ....... 63 Timer Board Connection Diagram - 201HT, 201LT ............
  • Page 66 Troubleshooting - 201HT, 201LT Condition Cause Solution Dishwasher will not run. Door not closed. Close door completely. Main power OFF. Check breaker on panel. Dishwasher OFF. Turn dishwasher power switch ON. Low or no water. Main water supply off. Open supply valve. Fill hose kinked.

  • Page 67: Wash Temperature

    201HT Only - Digital Temperature Display Codes Digital Temperature Display Codes Display codes that appear in the display windows indicate the operating condition of the machine. Refer to the illustrations below for the meaning of the codes. Wash Display Codes CAUSE WASH DISPLAY CODE Wash temperature...
  • Page 68 Digital Temperature Display Codes - 201HT Only Rinse Display Codes CAUSE RINSE DISPLAY CODE Rinse temperature 1 5 9 is below 100˚F RINSE TEMP WASH TEMP 1 5 6 Rinse temperature is above 200˚F WASH TEMP RINSE TEMP Booster tank is empty 1 4 9 &...
  • Page 69 201HT Only - Digital Temperature Display Codes Booster Display Codes Error Codes for Booster and Final Rinse Thermistors Only. CAUSE DISPLAY CODES 1 5 0 Booster overtemp lockout because booster temperature is greater than 210˚F. RINSE TEMP WASH TEMP NOTE: Booster is locked out for 10 minutes before being re-energized.
  • Page 70 Timer Board Connection Diagram - 201HT, 201LT        ...
  • Page 71 201HT, 201LT - Timer Board Diagnostic Testing Diagnostic Testing for the Solid State Timer Board, P/N 0712105 Beginning with S/N W150350341 and above Before testing, Press the dishwasher power switch to OFF/DRAIN and allow the machine to complete the drain cycle. Check the incoming voltages.
  • Page 72 Digital Temperature Display Board - 201HT, 201LT Power Neutral...
  • Page 73 201HT, 201LT - Digital Temperature Display Board...
  • Page 74 Digital Temperature Display Board - 201HT, 201LT...
  • Page 75 201HT Only - Booster Heater/Wash Tank Heater Interlock Circuit Operation Booster Heater/Wash Tank Heater Interlock Circuit Operation For Model 201HT, 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 contactor is wired.
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  • Page 77: Service Replacement Part - Models 201Ht, 201Lt

    201HT, 201LT - Service Replacement Parts Models 201HT, 201LT Service Replacement Parts...
  • Page 78 Blank Page This Page Intentionally Left Blank...
  • Page 79 Service Replacement Parts Service Replacement Parts Illustrations Page Wash Pump/Motor Assembly - 201HT, 201LT ..............74 Base Assembly - 201HT, 201LT ..................76 Fill Piping Assembly - 201HT, 201LT ..................80 Fill Solenoid Valve - 201HT, 201LT ..................82 Fill Chute Assembly - 201HT, 201LT ...................84 Chemical Dispensing Pumps - 201HT Only .................86 Chemical Dispensing Pumps - 201LT Only ................88 Booster Assembly - 201HT Only ..................90...

  • Page 80: Wash Pump/Motor Assembly - 201Ht, 201Lt

    Wash Pump/Motor Assembly - 201HT, 201LT...
  • Page 81 201HT, 201LT - Wash Pump/Motor Assembly Item Part Description Qty. 0512347 CAPACITOR 40µF 0512101 PUMP/MOTOR ASSEMBLY COMPLETE 115VAC/60/1 0313394 BRACKET, WASH PUMP 0512185 BOLT, HEX FLANGE 1/4-20 X 3/8" SST 110285 GASKET 114139 SEAL 0512345 IMPELLER 0501478 WASHER, PLAIN, 17/64" 106482 WASHER, LOCK, 1/4"...

  • Page 82: Base Assembly - 201Ht, 201Lt

    Base Assembly - 201HT, 201LT To upper wash hub 201LT Only 201LT Only 18 19 28 29...
  • Page 83 201HT, 201LT - Base Assembly Item Part Description Qty. 0512136 SCREEN, SCRAP ASSY. 0513324 FLANGE, PUMP SUCTION 0513677 O-RING 0512169 HEATER, 120VAC 750W (201LT) ----- 0512426 HEATER, 240V 2kW (201HT) 201029-1 NUT, LOCK 1/2 INCH NI PLATED 0512099 O-RING 0508872 ADAPTOR, THERMOMETER (201LT Only) 0512107 THERMOMETER, WASH TANK (201LT Only)
  • Page 84 Base Assembly - 201HT, 201LT Item Part Description Qty. 0509526 HOSE, 1/2" X 7 FT. FEM. GARD. ADAPT. 0501379 SWITCH, 15A 0512792 SCREW, 10-32 X 1/4" RD. HD. PHILL. SST 0508752 SCREW, 4-40 X 5/8" RH. HD. PHILL. SST 0313432 BRACKET, DOOR SWITCH...
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  • Page 86: Fill Piping Assembly - 201Ht, 201Lt

    Fill Piping Assembly - 201HT, 201LT Note: This is a 3/4" From Hot Water garden hose fitting Supply Fill Valve Assembly on Next Page To Fill Chute 201HT, 201LT...
  • Page 87 201HT, 201LT - Fill Piping Assembly Item Part Description Qty. 0502653 ELBOW, 90° 3/8" MPT X 1/2" HOSE 0512185 BOLT, HEX FLANGE 1/4-20 X 3/8" SST 0300065 SUPPORT, VALVE 0300203 CLAMP, VALVE 0502618 HOSE BARB, 1/2" X 3/8" MPT 0512985 CLAMP, HOSE 0509526 HOSE, 1/2"...

  • Page 88: Fill Solenoid Valve - 201Ht, 201Lt

    Fill Solenoid Valve - 201HT, 201LT...
  • Page 89 201HT, 201LT - Fill Solenoid Valve Item Part Description Qty. 0504952 VALVE, FILL 5.0 GPM 0502803 SCREEN, VALVE STRAINER 0502804 GASKET, CAP 0504958 WASHER, FLOW 5.0 GPM 0502811 KIT, REBUILD 0505229 GUIDE 0501406 SCREW, SLOT SS RH 8-32 X 1/2" 0505235 COIL, 115V 60HZ 10W 0502807...

  • Page 90: Fill Chute Assembly - 201Ht, 201Lt

    Fill Chute Assembly - 201HT, 201LT...
  • Page 91 201HT, 201LT - Fill Chute Assembly Item Part Description Qty. 107417 HOSE, RUBBER 1/2" ID X .84" OD 0502666 HOSE, 1/8" ID X 1/4" OD PVC 0502667 HOSE, 1/4" ID X 3/8" OD PVC 100194 NUT, GRIP 10-32 W/NYLON INSERT 0503722 NUT, HEX 10-32 SST 0507709...

  • Page 92: Chemical Dispensing Pumps - 201Ht Only

    Chemical Dispensing Pumps - 201HT Only IMPORTANT: Check Items 9 and 20 every 6 months and replace if stretched or worn. RINSE-AID DETERGENT...
  • Page 93 201HT Only - Chemical Dispensing Pumps Item Part Description Qty. 0501869 STRAINER 0306363 TUBE, 3/8" ID X 12" LG. STIFFENER 0505483 LABEL, RINSE-AID HOSE 112883-1 TUBING, 1/8" OD X 1/16" ID 0503695 LABEL, DETERGENT HOSE 0502667 HOSE, 1/4" ID X 3/8" OD PVC 0501519 TIE, NYLON 4"...

  • Page 94: Chemical Dispensing Pumps - 201Lt Only

    Chemical Dispensing Pumps - 201LT Only IMPORTANT: Check Items 9 and 13 every 6 months and replace if stretched or worn. SANITIZER RINSE-AID DETERGENT...
  • Page 95 201LT Only - Chemical Dispensing Pumps Item Part Description Qty. 0501869 STRAINER 0306363 TUBE, 3/8" ID X 12" LG. STIFFENER 0505483 LABEL, RINSE-AID HOSE 0502666 HOSE, 1/8" ID X 1/4" OD PVC 0503694 LABEL, SANITIZER HOSE 0503695 LABEL, DETERGENT HOSE 0502667 HOSE, 1/4"...

  • Page 96: Booster Assembly - 201Ht Only

    Booster Assembly - 201HT Only 11 12...
  • Page 97 201HT Only - Booster Assembly Item Part Description Qty. 0512985 CLAMP, SS GEAR-MIN. 1/2" 107417 HOSE, RUBBER 1/2" ID X .84" OD 0513314 TEE, RINSE THERMISTOR 10 kΩ, 2-WIRE 0513310 110562 THERMOSTAT, HIGH LIMIT 240°F 108954 NUT, GRIP 6-32 W/NYLON INSERT SST 0512185 BOLT, HEX FLANGE, 1/4-20 X 3/8"...

  • Page 98: Power Input Block And Cord Assemblies - 201Ht, 201Lt

    Power Input Block and Cord Assemblies - 201HT, 201LT 201HT 201LT...
  • Page 99 201HT, 201LT - Power Input Block and Cord Assemblies Item Part Description Qty. 0313396 COVER, BOX WIRING 0501411 SCREW, 10-32 X 1/4", TRUSS HD. 0512432 CONTACTOR, 3-POLE 120VAC COIL 0509527 BLOCK, TERMINAL, 4-POLE (201HT Only) 103310 LUG, GROUND 0313395 BOX, WIRING 107964 BUSHING, STRAIN RELIEF, SMALL 201029-1...

  • Page 100: Timer Control Board Assembly - 201Ht, 201Lt

    Timer Control Board Assembly - 201HT, 201LT Front View Rear View...
  • Page 101 201HT, 201LT - Timer Control Board Assembly Item Part Description Qty. 0313397 BOX, CONTROL BOARD 0712105 TIMER CKT. BD. 0501464 SCREW, 10-24 X 3/8; TRUSS HD. SST 0512373 FUSE, 4A 250V 0313398 COVER, BOX 0501411 SCREW, 10-32 X 1/4" SST 0501373 SWITCH, BOOSTER FILL (201HT only) 0512973...

  • Page 102: Wash/Rinse Spray Arm And Drain Valve - 201Ht, 201Lt

    Wash/Rinse Spray Arm and Drain Valve - 201HT, 201LT...
  • Page 103 201HT, 201LT - Wash/Rinse Spray Arm and Drain Valve Item Part Description Qty. 0501478 WASHER, 17/64" ID X 9/16" OD SST 107967 NUT, HEX SST 1/4-20 NYLON INSERT H35509-1 HUB, UPPER WASH ARM 107873 WASHER, PACKING 110215 SCREW, RETAINING 0502571 CLAMP, HOSE GEAR HOSE 1-1/2”...

  • Page 104: Control Panel - 201Ht Only

    Control Panel - 201HT Only...
  • Page 105 201HT Only - Control Panel Item Part Description Qty. 0512221 SWITCH, ROCKER DPST 250V NEON 0512213 SWITCH, PIEZIO 0512232 LIGHT, INDICATOR, GREEN 0512226 SWITCH, ROCKER RND SPDT MOMENTARY 0501408 SCREW, TRUSS PHIL. SST 8-32 X 1/4" 0513504 LABEL, FACIA 0313415 PANEL, FACIA 0512357 STANDOFF, LED DISPLAY BOARD...

  • Page 106: Control Panel - 201Lt Only

    Control Panel - 201LT Only Thermometer probe located in wash tank...
  • Page 107 201LT Only - Control Panel Item Part Description Qty. 0512216 CONTACT, SWITCH MOMENTARY (N.O.) 0512217 HOUSING, PUSH BUTTON SWITCH 0512232 LIGHT, INDICATOR, GREEN 0512218 SWITCH, PUSH BUTTON, GREEN 0512219 SWITCH, PUSH BUTTON, GRAY 0512226 SWITCH, ROCKER RND SPDT MOMENTARY 0512107 THERMOMETER, 2"...

  • Page 108: Panels - 201Ht, 201Lt

    Panels - 201HT, 201LT...
  • Page 109 201HT, 201LT - Panels Item Part Description Qty. 0313405 PANEL, FRONT 100779 SCREW 1/4-20 X 5/8" TRUSS SS PHIL 0513735 GASKET 0313403 PANEL, LH SIDE 0503718 FOOT, ADJUSTING 0313402 PANEL, RH SIDE 0313401 PANEL, TOP 100007 SCREW, TRUSS SLOT SST 10-32 X 3/8" 0313404 PANEL, REAR...

  • Page 110: Door Assembly - 201Ht, 201Lt

    Door Assembly - 201HT, 201LT...
  • Page 111 201HT, 201LT - Door Assembly Item Part Description Qty. 0713136 DOOR ASSEMBLY 0512319 GASKET, DOOR TOP 0513727 GASKET, DOOR SIDE 0713428 HINGE, RH ASSY 0501476 WASHER, 9/32" X 5/8" OD SS 0501422 BOLT, HEX SS 1/4-20 X 1-1/2" 0513332 SPRING, DOOR 0713429 HINGE, LH ASSY 0313430...

  • Page 112: Dish Racks - 201Ht, 201Lt

    Dish Racks, Line Strainer, PRV - 201HT, 201LT...
  • Page 113 201HT, 201LT - Dish Racks Item Part Description Qty. 101273 DISH RACK, FLAT-BOTTOM 101285 DISH RACK, PEG...
  • Page 114 Blank Page This Page Intentionally Left Blank...

  • Page 115: Electrical Schematics - Models 201Ht, 201Lt

    Electrical Schematics Electrical Schematics and Timing Charts Illustrations Page Electrical Schematic - High Temperature Model 201HT ............108 Electrical Schematic - Low Temperature Model 201LT ............109 Timing Charts - Models 201HT, 201LT ................110...
  • Page 116 Electrical Schematic - 201HT Only SINGLE PHASE THREE PHASE 201HT...
  • Page 117 201LT Only - Electrical Schematic Item Part Description Qty. 201LT LOW TEMP UNDERCOUNTER M4...

  • Page 118: Timing Charts - Models 201Ht, 201Lt

    Timing Charts - 201HT, 201LT...

This manual is also suitable for:

201lt m4 series

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