Maytag MDE/MDG21PDD, MDE/MDG21PRA, MDE/MDG21PNA, MDE/MDG21PDA manual Microprocessor, Coin Drop

Page 51

Disassembly Procedures

!WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to unit before servicing.

Screws

4. Lift Control Panel away from the dryer.

Control

Panel

Microprocessor

1.Disconnect power supply to unit.

2.Remove four security screws securing the Facia.

3.Remove three screws securing the Microprocessor to the Control Panel.

Remove

Screws

4.Observe the position of the harness connector plugged into the Microprocessor Board.

Harness Connector

Coin Drop

Coin Drop

Microprocessor

1. Disconnect power to the machine.

2. Remove the Service Panel.

3. Remove three security torx screws and two pozi-drive screws securing the Control Panel.

©2004 Maytag Appliances Company

16022904 Rev. 0

51

Image 51

Contents Commercial Single Stack Dryers Important Information Table of Contents Important Safety Information About Ground Wires General Information Related PublicationsProper Grounding and Polarization of 120 Volts Wall Outlets Explanation Grounding InstructionsCommercial Dryer Nomenclature ServiceParts and Accessories Model IdentificationTERMINOLOGY/DEFINITIONS Term Definitions Water 1 o FAir movement measured in cubic feet per minute HOW IT Works GAS Valve AssemblyRadiant Sensor Contact Closed Function of Gas Valve SystemIgnition Failures Safety FeaturesPower Interruptions Gas ConversionsGeneral Information General Specifications Wattage SpecificationsExhaust Ducts Drive Motor Check Electrical TroubleshootingDrive Motor Test Centrifugal SwitchAir Shutter Adjustment Motor Test CordManometers How to UseNoisy and/Or Vibration Mechanical Troubleshooting Will Not RunWill Not Shut-Off Will Not DrySingle Dryer Troubleshooting Guide Operator Dryer Stopped with Zero Minutes Remaining DisplayCannot Enter Or ExitDropped Into Machine Credited Are Eventually Lost Display Flashes User ModeControl Does Not Respond ToKey Inputs Dryer Drum Will Not Turn To Coin 1 or ResponsePoint Is Used Will Not Keep Time Of Day During Power InterruptionsWill not Respond to handheld No DecimalDryer Will Not HeatDryer Diagnostic Program Single Dryer Diagnostic ProgramDoor Sense Problem Single Dryer Diagnostic CodeVAC Lower Dryer Has Zero Minutes Remaining Display Stack Dryer Troubleshooting GuideDisplay Is Blank Abnormal Display Or Function Upper orKeypads ControlBoard Does NotInterruption Response To Coin Or CoinKeep Time Day DuringCannot Dryer Runs Without Program Selection Drum Will Not Turn Stack Dryer Diagnostic Program D1 or d17 Door Sense Problem Stack Dryer Diagnostic CodeVoltage Problem Transformer Touch Pad AssemblyControl Panel Microprocessor BoardCoin Sensor Service Door SwitchCoin Vault Switch Door AssemblyReversing Door Assembly Door DisassemblyFront Panel Top Cover Door SwitchOutlet Duct, Shroud & Tumbler Front Front Shroud Assembly RemovalBelt Lint FilterBearing & Pads Front SealRear Shroud Assembly Installing Drive BeltBaffles Back Seal Roller and Bearing AssemblyLow-cycling Thermostat Blower AssemblyThermostats Cycling ThermostatBlower Exhaust Duct Pipe Assembly Breakdown Motor Switch Drive Motor AssemblyIdler Arm Assembly Gas Valve Assembly Coils Igniter Heater Enclosure Gas ValveCombustion Cone Inlet DuctService Panel and Switch Access CoverStack Dryer Sloped Front Models Coin Drop MicroprocessorSwing Out Away Remove ScrewsStack DRYER-MN Models Stack Dryer Sloped Front PRMachine-In-Use Light Push-To-Start SwitchTimer Selector SwitchStack DRYER-FLAT Front Models Front Shroud AssemblyMotor & Heater Relays Appendix a Pricing Programming ProceduresFixed Vend Pricing SET UP Codes Money Counter Option Steps 3. thru 9. codes are skipped if mode 2.00 is selected00 7.STARTING of Special Pricing Hour Value of Coin 2 Canadian Dollar Drop White & Colors keypad Example Stacked Models Only Dryer Diagnostic ModeDryer Help Mode All Single Load Models