Maytag MLE22PD Service Manual
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Maytag MLE22PD Service Manual

Commercial stack washer/dryer 50hz
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W11262425
ServiCe Manual
Maytag Commercial
Stack Washer/Dryer 50Hz
MODELS:
MLE22PD
MLE22PN
MLG22PD
MLG22PN
TeCHniCal eDuCaTiOn

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Summary of Contents for Maytag MLE22PD

  • Page 1 W11262425 ServiCe Manual Maytag Commercial Stack Washer/Dryer 50Hz MODELS: MLE22PD MLE22PN MLG22PD MLG22PN TeCHniCal eDuCaTiOn...
  • Page 2 FOrWarD This Service Manual, (Part No. W11262425), provides the Commercial Laundry Service Professional with information on the operation, and service of the Maytag Commercial Stack Washer/Dryer. For specific information on the model being serviced, refer to the “Installation Instructions,” or “Tech Sheet” provided with the Stack Washer/Dryer or on the Service Website.

  • Page 3: Table Of Contents

    TaBle OF COnTenTS Page General ..........................1-1 Safety ..........................1-1 Model number designations ....................1-2 Serial number designations ....................1-2 Model & serial number label and Tech sheet location ............1-3 Warranty ........................... 1-4 inFOrMaTiOn & SpeCiFiCaTiOnS ..................2-1 Dimensions ........................2-1 Clearances ........................
  • Page 4 TaBle OF COnTenTS - COnTinueD Page Door switch - dryer ......................4-21 Blower housing cover ....................... 4-21 Blower wheel ........................4-22 Front bulkhead - dryer ...................... 4-23 Front support rollers and Shafts ..................4-24 Belt - dryer ........................4-25 Top panel - dryer ....................... 4-26 Back panel - dryer ......................
  • Page 5 TaBle OF COnTenTS - COnTinueD Page Toe panel .......................... 4-61 Central control unit (CCU) - washer .................. 4-62 CCU connections - washer ....................4-63 Motor control unit (MCU) ....................4-64 Drain pump ........................4-65 Drain hose and fitting ......................4-67 Back panel - washer ......................
  • Page 6 TaBle OF COnTenTS - COnTinueD Page DiaGnOSiS & TrOuBleSHOOTinG ..................6-1 Diagnostic guide ....................... 6-1 Diagnostic codes - dryer ....................6-1 Diagnostic codes - washer ....................6-2 Service diagnostic test modes ..................6-7 Quick overview test - washer .................... 6-9 Manual overview test - washer ..................
  • Page 7 inTeraCTive ServiCe Manual inSTruCTiOnS View on PC, MAC, iPad, iPhone and Android devices. Acrobat Reader is available for all devices to open .pdf documents. Click on any topic in the Table of Contents to go directly to that section. Click on any link that says (See page ?-?) to go directly to the page referenced. Click to view the video procedure on YouTube.
  • Page 8 ---- nOTeS ---- viii...

  • Page 9: General

    General SaFeTY iMPORTANT Electrostatic Discharge (ESD) Sensitive Electronics ESD problems are present everywhere. ESD may damage or weaken the electronic control assembly. The new control assembly may appear to work well after repair is finished, but failure may occur at a later date due to ESD stress.

  • Page 10: Model Number Designations

    MODel nuMBer DeSiGnaTiOnS MODel nuMBer BranD Maytag prODuCT LE Laundry Stack - Electric Heat LG Laundry Stack - Gas Heat MODel nuMBer 20 Stack Washer/Dryer (Starting 2010) 22 Stack Washer/Dryer (Starting 2018) COnTrOl PD Processor Coin drop PR Processor Reader...

  • Page 11: Model & Serial Number Label And Tech Sheet Location

    MODel & Serial nuMBer laBel anD TeCH SHeeT lOCaTiOn Location of Model & Serial Number Label Location of Tech Sheet & Parts List...

  • Page 12: Warranty

    DISCLAIMER OF REPRESENTATIONS OUTSIDE OF WARRANTY Maytag makes no representations about the quality, durability, or need for service or repair of this major appliance other than the representations contained in this Warranty. If you want a longer or more comprehensive warranty than the limited warranty that comes with this major appliance, you should ask your retailer about buying an extended warranty.

  • Page 13: Information & Specifications

    inFOrMaTiOn & SpeCiFiCaTiOnS DIMENSIONS/CLEARANCES DiMenSiOnS Dimensions Front View Side View Back View ClearanCeS Clearances Side Clearances Back/Top Clearances...

  • Page 14: Maintenance Instructions

    MainTenanCe inSTruCTiOnS Washer Maintenance instructions: Cleaning The Door Seal/Bellow This washer has a special cycle that uses higher water volumes in combination with 1. Open the washer door and remove any liquid chlorine bleach to thoroughly clean the clothing or items from the washer. inside of the washer.
  • Page 15 sensing cycle. This will take approximately Washer 3 minutes. always Do The Following To Maintain 4. The cycle will determine whether clothing or Washer Freshness: other items are in the washer. n Use only “HE” High Efficiency detergent. a) If no items are detected in the washer, it n Leave the door slightly open after each will proceed to Step 7.
  • Page 16 Water inlet Hoses Dryer Maintenance instructions: Replace the inlet hoses after 5 years of use to reduce the risk of hose failure. Periodically inspect and replace inlet hoses if bulges, n Clean lint screen before and after each cycle. kinks, cuts, wear, or leaks are found. n Removing accumulated lint: When replacing the inlet hoses, record the From inside the dryer cabinet:...

  • Page 17: Shipping Bolts - Remove

    SHippinG BOlTS - SHippinG BOlTS - reMOve reinSTall Excessive Weight Hazard Use two or more people to move and install stacked washer/dryer. Electrical Shock Hazard Failure to do so can result in back or Disconnect power before servicing. other injury. Replace all parts and panels before operating.

  • Page 18: Specifications

    Dimensions are for planning purposes only. See specific instructions for proper installation. Because of continuous product improvement, Maytag reserves the right to change specifications without notice. *Based on 2018 United States DOE J2 Testing with factory preset cycles.

  • Page 19: Basic Operation

    BaSiC OperaTiOn eleCTrOniC COnTrOl SeTup inSTruCTiOnS Dryer Display Washer Display Display Dryer control fabric Washer control fabric setting buttons setting buttons nOTe: After the washer/dryer has been 2. Door must be closed on the desired washer/dryer before cycle selection is installed and plugged in, the display will made.

  • Page 20: General User Information

    General uSer inFOrMaTiOn Factory Setting: There are four (4) types of dryer pricing: Washer is programmed at the factory: Fixed ‘vend’ pricing n Normal and Delicates cycles have an 11 A dryer set up for ‘Fixed Cycle’ operation can minute wash period and 2 rinses, with the only accept additional time accumulated by option of an extra rinse.

  • Page 21: Theory Of Operation

    THeOrY OF OperaTiOn The idea behind the development of the Stack Dryers have 3 fabric care settings and there Washer/Dryer was to have a product with a is no cycle available for drying without heat. small enough footprint that could deliver the All dryers are factory preset for 2 minutes of same washing and drying capability as well cool down at the end of a cycle.

  • Page 22: Understanding The Gas Valve And Ignition System

    unDerSTanDinG THe GaS valve anD iGniTiOn SYSTeM The sensor, ignitor and gas valve are A significant voltage drop develops across interrelated and function as the ignition and the secondary coil, which renders both the heat source for gas dryers. At the start of the booster coil and the ignitor ineffective due to cycle the radiant sensor contacts are closed, their low resistance and the reduced voltage...

  • Page 23: Cleaning The Dryer Location

    iMpOrTanT: WARNING • Do not run the dryer with the lint screen loose, damaged, blocked, or missing. Doing so can cause overheating and damage to both the dryer and fabrics. • If lint falls off the screen into the dryer during removal, check the exhaust hood and remove the lint.

  • Page 24: Cleaning The Dryer Interior

    CleaninG THe DrYer inTeriOr To clean dryer drum: 1. Unplug dryer or disconnect power. 1. Make a paste with powdered laundry detergent and very warm water. 2. Close shutoff valve in gas supply line. 2. Apply paste to a soft cloth, or, apply a liquid 3.

  • Page 25: Component Access

    COMpOnenT aCCeSS CHeMiCal DiSpenSer DraWer anD parTS 1. Pull the chemical dispenser drawer out as 5. To remove the detergent flapper, place a far as it will go. flat blade screwdriver in the slot between the hinges at the top of the flapper and twist both ways to release the flapper.
  • Page 26 12. There is a bottom cover under the bleach 8. To remove the front decorative plate of and fabric dispenser cups. This cover the chemical dispenser remove four T-20 should be removed and the siphon holes security screws. cleaned to maintain good elimination of chemicals during the cycle.

  • Page 27: Control Panel

    COnTrOl panel 4. Place hook on bottom edge of the service switch bracket into metal hoop to hold the control panel open in the service position. Clip and Metal Hoop Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 28: Control Board Connectors

    COnTrOl BOarD COnneCTOrS Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. 1. Open the control panel (See page 4-4). 2. Disconnect the wire connectors from the Power Dryer CCU Keyad...

  • Page 29: Control Board

    COnTrOl BOarD TeCH Tip: The Atlas board contains the factory installed software for the Stack Washer/Dryer. This is available as a separate part. 5. Press the locking tab and disconnect the Electrical Shock Hazard coin vault and service switch connector. Disconnect power before servicing.

  • Page 30: Keypad Assembly

    KeYpaD aSSeMBlY 4. Remove the keypad assembly from the front of the control panel cover. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. 1.

  • Page 31: Service Switch Assembly

    ServiCe SWiTCH aSSeMBlY 5. To remove the service switch cam and lock, remove the 11mm (7/16”) nut and star washer securing the cam to the lock shaft. Remove the service switch cam from the shaft. 6. Remove the retainer nut securing lock to Electrical Shock Hazard the control panel assembly.

  • Page 32: Control Panel Bracket

    COnTrOl panel BraCKeT 6. On PD models, remove four more 1/4” hex head screws around the coin vault. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 33: Coin Drop

    COin DrOp 4. Remove four 1/4” hex head screws securing the coin drop mounting bracket to the control panel bracket. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Four 1/4” Hex Failure to do so can result in death or Head Screws electrical shock.

  • Page 34: Coin Vault And Coin Vault Switch

    COin vaulT anD COin vaulT SWiTCH 6. Slide coin vault out of its support bracket. Coin Vault Switch Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 35: Dryer Remove From Stack

    DrYer reMOve FrOM STaCK Excessive Weight Hazard Use two or more people to move and install stacked washer/dryer. Electrical Shock Hazard Failure to do so can result in back or Disconnect power before servicing. other injury. Replace all parts and panels before operating.

  • Page 36: Door And Hinge Assembly - Dryer

    DOOr anD HinGe aSSeMBlY - DrYer 1. The door hinge, on both doors of the Stack 6. There is a locating tab on the back of the Washer/Dryer, swing completely open, 180 hinge that fits into a hole in the front panel. degrees.

  • Page 37: Reverse A Dryer Door

    reverSe a DrYer DOOr 1. Remove dryer door (See page 4-12). 6. Install the hinge screw-hole cover on the opposite side of the door opening. Align the two pins, on the back of the cover, with the 2. Remove the Phillips head screw securing two middle holes for the door hinge.
  • Page 38 11. Remove four Phillips head screws 14. Rotate the outer door 180 degrees. Place securing the hinge to the door. the inner door into the outer door with the hinge on the opposite side of the handle. 12. Rotate the hinge 180 degrees and install Hinge it on the other side of the door with the four screws just removed.

  • Page 39: Door Handle - Dryer

    DOOr HanDle - DrYer inner DOOr lenS - DrYer 1. To remove door handle after the door 1. Separate door halves (See page 4-14). halves are separated (See page 4-14), remove three Phillips head screws. 2. Remove door handle (See left column on this page).

  • Page 40: Drum Light Lens

    DruM liGHT lenS nOTe: There is no light socket on a 1. Open the dryer door. commercial dryer, nor is there capability of adding a light on commercial dryers. 2. Remove the Phillips head screw securing The lens is maintained to prevent clothes drum light lens to the back bulkhead, and catching the rear bulkhead and light remove the lens.

  • Page 41: Console Cover - Dryer

    COnSOle COver - DrYer 3. Lay the console cover forward to access the dryer control board. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. 1.

  • Page 42: Control Board - Dryer

    COnTrOl BOarD - DrYer 7. Remove the console cover. 8. To remove the control board from the console cover, release two tabs on the top edge of the board and remove it from the console cover. Electrical Shock Hazard Locking Tabs Disconnect power before servicing.

  • Page 43: Ccu Connections - Dryer

    CCu COnneCTiOnS - DrYer N.O. Heater Motor Yellow-Red Lt. Blue Black Black Relay 1 Relay Red-White Black-White Open White Green-Yellow Open Dryer Central Control Unit Connections Open (Elec.) Orange (Gas) Red-White 4-19 4-54...

  • Page 44: Front Panel - Dryer

    FrOnT panel - DrYer nOTe: The door switch wire connector has three wires going to the door switch, and two wires going to the control board. The third wire would be for a cavity light, but commercial dryers do not come with one. Electrical Shock Hazard Disconnect power before servicing.

  • Page 45: Door Switch - Dryer

    BlOWer HOuSinG COver DOOr SWiTCH - DrYer Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing. Disconnect power before servicing. Replace all parts and panels before Replace all parts and panels before operating. operating. Failure to do so can result in death or Failure to do so can result in death or electrical shock.

  • Page 46: Blower Wheel

    BlOWer WHeel 3. Insert the end of a 13mm (1/2”) socket extension bar into center hole of the blower wheel. 13mm Extension 11mm Open End Wrench Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 47: Front Bulkhead - Dryer

    FrOnT BulKHeaD - DrYer 5. Squeeze the clips, from the inside of the bulkhead, to release the wire from the front right side of the bulkhead. Christmas Wire On Front Tree Clip Bulkhead Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 48: Front Support Rollers And Shafts

    FrOnT SuppOrT rOllerS anD SHaFTS nOTe: DO NOT lubricate this wheel or shaft. Lubrication attracts lint and dust which will cause premature wear of the support bearing. Clean shaft with fine steel wool to eliminate squeaks, or replace worn rollers. Electrical Shock Hazard 4.

  • Page 49: Belt - Dryer

    BelT - DrYer 5. The belt can be reinstalled without removing the drum from the dryer. When reinstalling the belt, make sure the ribs of the belt are facing the drum. Belt Back Bulkhead Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 50: Top Panel - Dryer

    TOp panel - DrYer 2. Lift the back edge of the top. Slide it back slightly to unhook the tab from the slot in the channel at the front edge. Top Panel Front Tab Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 51: Back Panel - Dryer

    BaCK panel - DrYer 4. Slide back panel off the exhaust duct that protrudes through a hole in the back panel. 5. Remove the back panel. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 52: Console Bracket - Dryer

    COnSOle BraCKeT - DrYer 6. Remove the 1/4” hex head screw from the right end of the water channel bracket. 1/4” Hex 1/4” Hex Head Screw Head Screw Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 53: Drum - Dryer

    DruM - DrYer nOTe: To avoid damage to components in the cabinet, if the loosened belt was not previously removed, do not allow the belt to grab onto components in the base of the dryer. nOTe: The front and back drum seals are Electrical Shock Hazard made of a felt material.

  • Page 54: Baffle Replace - Dryer

    BaFFle replaCe - DrYer 3. Open dryer door and hold baffle with one hand while removing the third screw. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or Baffle electrical shock.

  • Page 55: Thermistor - Dryer

    THerMiSTOr - DrYer THerMal FuSe - DrYer Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing. Disconnect power before servicing. Replace all parts and panels before Replace all parts and panels before operating. operating. Failure to do so can result in death or Failure to do so can result in death or electrical shock.

  • Page 56: Blower Housing

    BlOWer HOuSinG 4. Remove three 1/4” hex head screws from inside the blower housing securing it to the motor bracket. 5. Remove the blower housing Three 1/4” Hex Electrical Shock Hazard Head Screws Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 57: Idler Pulley

    iDler pulleY 6. The other end of the spring attaches to a tab on the base of the motor. 7. When reinstalling the idler pulley assembly, reattach the spring to the tab on the motor bracket and to the slot in the idler arm. Electrical Shock Hazard Disconnect power before servicing.

  • Page 58: Motor And Speed Increaser - Dryer

    MOTOr anD SpeeD inCreaSer - DrYer 6. Remove the back motor clip the same way. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Motor Bracket Clips 1.

  • Page 59: Belt Switch

    BelT SWiTCH 3. Remove two Phillips head screws from the back of the motor mounting bracket. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Two Phillips Head Screws 1.

  • Page 60: Motor Bracket - Dryer

    MOTOr BraCKeT - DrYer 4. Remove the bracket from the dryer. 5. To reduce excess vibration transferred from the motor bracket to the cabinet, there is an anti-vibration pad under the motor bracket. Electrical Shock Hazard Anti-Vibration Pad Disconnect power before servicing. Pt #W10212660 Replace all parts and panels before operating.

  • Page 61: Back Support Rollers & Shafts

    BaCK SuppOrT rOllerS & SHaFTS 5. Use an adjustable wrench between the back bulkhead and the back panel to remove the 14mm (9/16”) nut on each shaft. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 62: Auto Transformer - Gas Dryers

    auTO TranSFOrMer - GaS DrYerS nOTe: These screws are short sheet metal screws with permanently attached serrated washers. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 63: Side Panel - Dryer (Left Side Shown)

    SiDe panel - DrYer (leFT SiDe SHOWn) 5. Support side panel and lift back bulkhead and move it forward to release hook from the back edge of the side panel. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 64: Back Bulkhead

    BaCK BulKHeaD HeaT plenuM Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing. Disconnect power before servicing. Replace all parts and panels before Replace all parts and panels before operating. operating. Failure to do so can result in death or Failure to do so can result in death or electrical shock.

  • Page 65: Radiant Sensor

    raDianT SenSOr iGniTOr Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing. Disconnect power before servicing. Replace all parts and panels before Replace all parts and panels before operating. operating. Failure to do so can result in death or Failure to do so can result in death or electrical shock.

  • Page 66: Burner High Limit

    Burner HiGH liMiT Burner THerMal liMiT Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing. Disconnect power before servicing. Replace all parts and panels before Replace all parts and panels before operating. operating. Failure to do so can result in death or Failure to do so can result in death or electrical shock.

  • Page 67: Gas Valve Coils

    GaS valve COilS 5. Lift the booster and holding coil, with three terminals, off the post. 6. Lift the secondary coil, with two terminals, off the post. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 68: Gas Burner Assembly

    GaS Burner aSSeMBlY 8. Use a 25mm (1”) open end wrench on the gas line union to remove gas line from the valve. nOTe: From the front of the dryer the wrench will need to be lifted up to loosen the nut, because it is reverse threaded.

  • Page 69: Gas Valve Remove From Bracket

    GaS valve reMOve FrOM BraCKeT 4. Remove three 1/4” hex head screws from the bottom of the bracket to remove the gas valve body from the bracket. Electrical Shock Hazard Three 1/4” Disconnect power before servicing. Hex Screws Replace all parts and panels before operating.

  • Page 70: Heating Element

    HeaTinG eleMenT 4. Lift bracket and heater assembly to remove the bottom edge of the assembly and press down to release the tab from inside the heat plenum at the back of the dryer. Positioning Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 71: Heater Coil

    HeaTer COil nOTe: Most heater element assemblies have a serviceable electric coil element and others will be supplied as an assembly. If the element is serviceable: remove the 1/4” hex head screw from the side of the housing. Remove the heater coil from the housing using one pair of pliers to hold the Electrical Shock Hazard housing and another pair of pliers to pull the...

  • Page 72: Door And Hinge Assembly - Washer

    DOOr anD HinGe DOOr HOOK - WaSHer aSSeMBlY - WaSHer 1. Open the washer door. 1. Open the washer door. nOTe: The door hinge swings completely 2. Remove two T-20 screws securing the hook open 180 degrees. to the door. 2.

  • Page 73: Door Parts And Disassembly - Washer

    DOOr parTS anD DiSaSSeMBlY - WaSHer 1. The door contains the outer lens, the outer 5. Finish removing the outer door trim by trim, the door handle, the inner trim, the hand. glass bowl, the hinge and the door hook. 6.
  • Page 74 8. To remove the door hinge, remove three T-20 machine screws securing the hinge to the inner door panel. The hinge is also used to hold part of the inner door panel and must be removed to replace the bowl. nOTe: The door hinge is secured with machine screws.

  • Page 75: Water Inlet Valves

    WaTer inleT valveS Locking Tab Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Inlet Hoses 1. Unplug washer or disconnect power. & Clamps 2.

  • Page 76: Water Inlet Valves - Remove From Back Without Removing Dryer

    WaTer inleT valveS - reMOve FrOM BaCK WiTHOuT reMOvinG DrYer 7. Pull the valve out of the hole in the panel and lower it to gain access to the hose clamps and Rast connectors. nOTe: For proper reinstallation, make a mark on the hose that is connected to the port that has a green tag on the wire Electrical Shock Hazard harness connector (See bottom photo).

  • Page 77: Rfi Line Filter

    rFi line FilTer 4. To disconnect the RFI Filter, pull the incoming power, L1, black wire, and neutral, white wire connectors off their spade terminals. 5. Press the locking tab and remove the Electrical Shock Hazard connector for the pink wires that go to the Disconnect power before servicing.

  • Page 78: Pressure Sensor

    preSSure SenSOr 5. Disconnect the air hose on the bottom of the pressure sensor. There is no clamp, gently twist the hose while pulling it off the pressure sensor. nOTe: This hose should be snug to avoid air leaks. Electrical Shock Hazard Disconnect power before servicing.

  • Page 79: Chemical Dispenser Assembly

    CHeMiCal DiSpenSer aSSeMBlY 6. Reach in behind the front panel and squeeze the tub dispenser outlet hose. Pull the flange out of the hole in the outer tub. Flanged End Of Dispenser Outlet Hose Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.
  • Page 80 8. Remove the hoses coming from the water 10. Reinstall a restrictor, if removed, before inlet valves. Squeeze each clamp and move reconnecting a hose. it down the hose. Pull each hose off the back of the chemical dispenser. 11. Slide the chemical dispenser toward the back of the washer to release the tabs nOTe: Make sure the hoses are reinstalled securing it to the left side panel and remove...

  • Page 81: Uic Transformer

    uiC TranSFOrMer 5. Remove two 1/4” T-20 hex head screws securing the transformer to the inside right end of the washer front support bracket. 6. Release the wire clip securing the transformer wiring behind the bracket. Electrical Shock Hazard Disconnect power before servicing. 7.

  • Page 82: Front Panel - Washer

    FrOnT panel - WaSHer 6. Push the bellow into the cabinet opening. 7. Remove two 1/4” hex head screws, that were hidden by the washer toe panel, securing the bottom of the front panel to the washer side panels. Electrical Shock Hazard Disconnect power before servicing.

  • Page 83: Door Lock / Switch Assembly - Washer

    DOOr lOCK / SWiTCH aSSeMBlY - WaSHer Ferrite Core Resistor Door Lock Solenoid Door Locked Switch Electrical Shock Hazard Door Closed Switch Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 84: Front Support Bracket - Washer

    FrOnT SuppOrT BraCKeT - WaSHer 6. Remove three T-20 screws from the washer front support bracket securing the top and front of the chemical dispenser. Three T-20 Screws Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 85: Toe Panel

    TOe panel 5. The flange, on the inside left end of the toe panel, presses against the earth switch in the lower left corner of the washer cabinet. Make sure to not bend the flange or the switch will not be pressed and the washer will not work.

  • Page 86: Central Control Unit (Ccu) - Washer

    CenTral COnTrOl uniT (CCu) - WaSHer 5. Slide the CCU towards the front of the washer to release tabs from keyhole slots in the bracket, in the base of the washer, and remove it. 6. Release two clips securing the side access cover and open the cover to gain access to Electrical Shock Hazard the wire connectors.

  • Page 87: Ccu Connections - Washer

    CCu COnneCTiOnS - WaSHer 4-63...

  • Page 88: Motor Control Unit (Mcu)

    MOTOr COnTrOl uniT (MCu) 5. Use a flat blade screwdriver to lift the locking tab securing the MCU to the base of the washer. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 89: Drain Pump

    Drain puMp 7. Unscrew the pump filter and pull it out of the pump. If necessary, use a pair of pliers to loosen it. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.
  • Page 90 11. Use a large flat blade screwdriver to lift the 16. Squeeze the clamp and pull the drain hose right edge of the rubber pad, on right pump off the pump. support, out of the hole in the washer base. Drain Hose Rubber Pad Screwdriver...

  • Page 91: Drain Hose And Fitting

    Drain HOSe anD FiTTinG 7. There is some foam insulation, on the drain hose inside the washer, to avoid damage from wear due to movement against the side panel of the washer. 8. There is a clip that holds the drain hose at the back corner of the washer.

  • Page 92: Back Panel - Washer

    BaCK panel - WaSHer 4. Pull the bottom edge out and slide the panel down from behind the lip at the top edge to remove the panel. 5. Components located behind the back panel of the washer are: Electrical Shock Hazard Disconnect power before servicing.

  • Page 93: Cross Braces

    CrOSS BraCeS 5. Remove two 1/4” hex head screws securing the top cross brace to the back edge of the side panels. Electrical Shock Hazard 1/4” Hex Disconnect power before servicing. Head Screw Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 94: Drive Belt

    Drive BelT Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. 1. Unplug washer or disconnect power. 2. Remove the back panel (See page 4-68). n The drive belt is a ribbed, fiber reinforced belt.

  • Page 95: Temperature Sensor

    TeMperaTure SenSOr 6. When reinstalling the temperature sensor, push it into the grommet using a twisting motion until it is fully seated. 7. Remove and replace the grommet only if necessary. Electrical Shock Hazard Disconnect power before servicing. 8. When installing a grommet, the flanges of Replace all parts and panels before the grommet must seal inside and outside of the hole in the tub.

  • Page 96: Motor

    MOTOr 7. Remove the 13mm (1/2“) bolt securing the motor to the outer tub. 13mm Motor Bolt Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 97: Vent Tube

    venT TuBe 5. To remove the vent tube from the washer, reach inside from the back of the washer and lift the vent tube to release 2 tabs from slots in the top back brace. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating.

  • Page 98: Earth Switch

    earTH SWiTCH 3. Use a flat blade screwdriver to press in on the 2 locking tabs in the bottom slots to release the switch. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.

  • Page 99: Air Gap Damper

    air Gap DaMper 7. The damper is attached to the base in the same way, with 2 locking tabs. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or 1/4 Turn electrical shock.

  • Page 100: Bellow

    BellOW 4. Remove the bellow retaining clamp from around the bellow. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Bellow Retaining Clamp 1. Unplug washer or disconnect power. 2.
  • Page 101 6. Reinstalling the bellow on the outer tub is 13. Make sure the bellow is not twisted easier before reinstalling the front weights. causing it to distort which may cause vibrations in spin. 7. The bellow has a tab that says “UP”. Place this at the top center of the outer tub.

  • Page 102: Tub And Spin Basket Assembly

    TuB anD Spin BaSKeT aSSeMBlY 11. Disconnect the pressure sensor hose from the bottom of the pressure sensor. Twist and pull the hose off the switch. Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock.
  • Page 103 nOTe: When reinstalling the weight bolts, 15. Disconnect the earth wire to the hub at make sure they are secured to between 19 the spade connection about 30cm (12”) and 21 newton meters of torque. Lift and from the hub. Follow the earth wire down remove the top weight.
  • Page 104 21. Lift the tub assembly to disengage the TeCH Tip: To avoid damage, fold the top suspension spring on the left side. half of the dampers flat against the tub before reinstalling the tub assembly. Dampers Folded Tub Spring: One On Each Side Must Be Mounted In Front Most Opening Of...

  • Page 105: Baffle Replace - Washer

    BaFFle replaCe - WaSHer Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. 1. Unplug washer or disconnect power. 2. Turn off the water supply to the washer. 3.
  • Page 106 ---- nOTeS ---- 4-82...

  • Page 107: Component Testing

    COMpOnenT TeSTinG Before testing any of the components, perform • Check all connections before replacing components, looking for broken or loose the following checks: wires, failed terminals, or wires not pressed • Control failure can be the result of corrosion into connectors far enough.

  • Page 108: Pressure Sensor

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. preSSure SenSOr See page 4-54 for the procedure for accessing the pressure sensor. To check the pressure sensor at the component terminals, perform the following steps.

  • Page 109: Rfi Line Filter

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. rFi line FilTer To check the RFI line filter at the CCU, perform the following steps. 1.

  • Page 110: Door Lock Assembly

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. DOOr lOCK aSSeMBlY 5. Disconnect the Door Lock Coil (Locked or Unlocked), connector DL3 Ferrite Core (See page 4-63) from the CCU.

  • Page 111: Drain Pump Motor

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Drain puMp MOTOr To check the drain pump at the CCU, perform the following steps. 1.

  • Page 112: Temperature Sensor

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. TeMperaTure SenSOr See page 4-71 for the procedure for accessing To check the temperature sensor at the CCU, the temperature sensor.

  • Page 113: Drive Motor - Dryer

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Drive MOTOr - DrYer Motor Connector Bare Motor Wire Pin 1 (Red) Pin 5 Motor (White-Orange) Thermal Overload...

  • Page 114: Keypad Continuity Test

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. KeYpaD COnTinuiTY TeST See page 4-6 for the procedure for accessing 9 Button User Interface Membrane Switch the keypad assembly.

  • Page 115: Coin Drop Acceptor

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. COin DrOp aCCepTOr The coin drop acceptor is used only on the The coin sensor is mounted to a bar located PD model washers.

  • Page 116: Transformer

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. earTH SWiTCH TranSFOrMer 1. Unplug washer or disconnect power. N.C. 2. Set the ohmmeter to the R X 1 scale. Set digital ohmmeters to lowest scale.

  • Page 117: Gas Valve Coils

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. GaS valve COilS The gas valve is actually a regulator and 2 valves in 1. Each valve is in series with the other.

  • Page 118: Burner Ignitor

    Burner Ignitor The pressure is then read on the manometer as the water column pushes downward. The water column (W.C.) for a Maytag dryer is 3.5” W.C. for Natural gas and 11” W.C. for LP gas. 5-12...
  • Page 119 Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. How to use: 9. When the gas is on, the amount of water column present is equal to the total amount 1.

  • Page 120: Radiant Sensor

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Burner HiGH liMiT & raDianT SenSOr Burner THerMal liMiT - GaS DrYerS OnlY 1. Unplug dryer or disconnect power. The burner thermal limit is a non-resettable device.

  • Page 121: Heating Element - Electric Dryers Only

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. HeaTinG eleMenT - eleCTriC DrYerS OnlY 1. Unplug dryer or disconnect power. 2. Remove the electric heating element. (See page 4-46).

  • Page 122: Burner Thermal Limit - Electric Dryers Only

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Burner THerMal liMiT - eleCTriC DrYerS OnlY Access the Electric Heating Element Burner (See page 4-46). Thermal Limit The burner thermal limit is a non resettable Burner High...

  • Page 123: Drive Motor - Washer

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. Drive MOTOr - WaSHer 5. Touch the ohmmeter test leads to the contacts listed below. The meter should indicate as shown in the chart below.

  • Page 124: Thermistor - Dryer

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. THerMiSTOr - DrYer Check the thermistor resistance value The table below gives the resistance values at any or all of the temperature levels in that should be observed for the various question, using the Dry Cycle, and the...

  • Page 125: Thermal Fuse

    Electrical Shock Hazard Disconnect power before servicing. Replace all parts and panels before operating. Failure to do so can result in death or electrical shock. THerMal FuSe 1. Unplug dryer or disconnect power. The thermal fuse is wired in series with the drive motor.
  • Page 126 ---- nOTeS ---- 5-20...

  • Page 127: Diagnosis & Troubleshooting

    DiaGnOSiS & TrOuBleSHOOTinG FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY FAILURE DISPLAYS DiaGnOSTiC GuiDe DiaGnOSTiC CODeS - TRAC Active dryer diagnostic codes are shown on the upper portion of INDICAT DrYer the display and active washer diagnostic codes are shown on the bottom portion of the display.

  • Page 128: Diagnostic Codes - Washer

    FAILURE DISPLAYS TRAC DRYER ® Active dryer diagnostic codes are shown on the upper portion of INDICATION DISPLAY EXPLANATION the display and active washer diagnostic codes are shown on the F 73 bottom portion of the display. UIC MICROPROCESSOR ERROR UIC Microprocessor is not able to read or verify EEPROM (cycles and price display disabled until DRYER DIAGNOSTIC CODES...
  • Page 129 FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY ACCU ACCU TRAC WASHER TRAC WASHER ® ® INDICATION DISPLAY EXPLANATION AND RECOMMENDED PROCEDURE INDICATION DISPLAY EXPLANATION AND RECOMMENDED PROCEDURE F 20 NO WATER DETECTED ENTERING WASHER d 17 F 22 DOOR LOCK ERROR The first level of pressure sensor is not tripped after Washer will make several attempts to lock the door,...
  • Page 130 FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY ACCU ACCU TRAC WASHER TRAC WASHER ® ® INDICATION DISPLAY EXPLANATION AND RECOMMENDED PROCEDURE INDICATION DISPLAY EXPLANATION AND RECOMMENDED PROCEDURE d 21 F 27 d 12 F 25 TACHOMETER ERROR OVERFLOW CONDITIONS If the MCU is unable to properly detect motor speed, The overflow level is reached for more than...
  • Page 131 FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY ACCU ACCU TRAC WASHER TRAC WASHER ® ® INDICATION DISPLAY EXPLANATION AND RECOMMENDED PROCEDURE INDICATION DISPLAY EXPLANATION AND RECOMMENDED PROCEDURE d 19 F 29 d 14 F 33 DOOR UNLOCK ERROR PUMP DISCONNECTED The door is unable to unlock after six tries.
  • Page 132 FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY ACCU ACCU TRAC WASHER TRAC WASHER ® ® INDICATION DISPLAY EXPLANATION AND RECOMMENDED PROCEDURE INDICATION DISPLAY EXPLANATION AND RECOMMENDED PROCEDURE F 73 d 13 d 13 UIC FAILURE COIN 2 ERROR Communication error within the User Interface Control.

  • Page 133: Service Diagnostic Test Modes

    ServiCe DiaGnOSTiC TeST MODeS These tests allow factory or service personnel p-01 CanCel CYCle, reSeT errOrS, to test and verify all inputs to the main control anD Clear eSCrOW To access canceling of cycle, resetting of board. You may want to do a quick and overall errors, and clearing of escrow, perform steps checkup of the washer/dryer with these tests 1 and 2 of Activating the Service Diagnostic...
  • Page 134 p-05 BuTTOn TeST p-08 Clean WaSHer CYCle To access button test, perform steps 1 and Puts the washer into the clean washer cycle. 2 of Activating the Service Diagnostic Test To access the clean washer cycle, perform Modes, and then perform step 3 until “P-05” is steps 1 and 2 of Activating the Service displayed.

  • Page 135: Quick Overview Test - Washer

    access and initiate this procedure) acces This cycle consists of 9 steps. In each step, the washer will Before perform a Control Action as described in the table below. Once Manua the action is completed, the washer will move to the next step. This Each step can be differentiated from the others by looking at the perf...

  • Page 136: Manual Overview Test - Washer

    perform a Control Action as described in the table below. Once Manual Overview Test. the action is completed, the washer will move to the next step. This cycle consists of 8 steps. In each step, the washer will Each step can be differentiated from the others by looking at the perform a Control Action as described in the table below.

  • Page 137: Diagnostic Test Quick Guide

    DiaGnOSTiC TeST QuiCK GuiDe FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY The following table summarizes keypad function among the diagnostic sub-modes. DIAGNOSTIC TEST QUICK GUIDE Diagnostic Mode Keypad Function Table The following table summarizes keypad function among the diagnostic sub-modes. Diagnostic Mode Keypad Function Table Function in Function in...

  • Page 138: Help Mode

    DRYER KEY PAD time by one minute time by one minute Rolls from 99 back Rolls from 99 back to 2 minutes to 2 minutes NORMAL Acknowledge Diag. Start Dryer Field Start Dryer Field Ignore Ignore DRYER KEY PAD Code (Keep Code) Diag.

  • Page 139: Help Mode Submenu

    Help MODe SuBMenu FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY n This sub-menu consists of many steps. n To change to the next step, press the EXTRA RINSE washer keypad. Help Mode Submenu This sub-menu consists of many steps. n To exit Help Mode and return to setup mode or dAS mode, press the TEMPERATURE washer To change to the next step, press the EXTRA RINSE washer key pad.

  • Page 140: Help Mode Symbols And Elements

    Help MODe SYMBOlS anD eleMenTS FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY Along with the steps of the help mode, symbols and elements are mapped, at all times, to reflect HELP MODE SYMBOLS AND ELEMENTS HELP MODE SYMBOLS AND ELEMENTS the state of various inputs and outputs.

  • Page 141: Troubleshooting Guide

    TrOuBleSHOOTinG GuiDe FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY TROUBLESHOOTING GUIDE PROBLEM POSSIBLE CAUSE/TEST NOTE: Possible Cause/Tests must be performed in the sequence shown for each problem. BLANK DISPLAY Possible Causes – UIC not powered or no power to the washer/dryer. –...
  • Page 142 ---- nOTeS ---- 6-16...

  • Page 143: Wiring Diagrams

    WirinG DiaGraMS FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY eleCTriC MODelS WIRING DIAGRAM – ELECTRIC MODELS GROUND TERMINAL CONSTRUCTION SPLICE BR - LINE L1 BU - NEUTRAL N IN LINE CONNECTION 230 VOLTS EXHAUST THERMISTOR DOOR SWITCH 1 DOOR SWITCH 2 P8-2...

  • Page 144: Gas Models

    FOR SERVICE TECHNICIAN ONLY - DO NOT REMOVE OR DESTROY GaS MODelS WIRING DIAGRAM – GAS MODELS GROUND TERMINAL CONSTRUCTION SPLICE BR - LINE L1 BU - NEUTRAL N IN LINE CONNECTION 230 VOLTS EXHAUST BU D THERMISTOR DOOR SWITCH 1 D1 W DOOR SWITCH 2...

  • Page 145: Alphabetical Component Index

    alpHaBeTiCal COMpOnenT inDex Air gap damper ......................... 4-75 Auto transformer - gas dryers ................... 4-38 Back bulkhead ........................4-40 Back panel - dryer ......................4-27 Back panel - washer ......................4-68 Back support rollers & shafts .................... 4-37 Baffle replace - dryer ......................4-30 Baffle replace - washer .....................
  • Page 146 Dryer remove from stack ....................4-11 Earth switch ........................4-74 Front bulkhead - dryer ...................... 4-23 Front panel - dryer ......................4-20 Front panel - washer ......................4-58 Front support bracket - washer ..................4-60 Front support rollers and Shafts ..................4-24 Gas burner assembly ......................
  • Page 147 ---- nOTeS ----...

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