Maytag MLE/MLG23PDA, MDE/MDG21PRA, MDE/MDG21PNA manual Control Does Not, Respond To, Key Inputs

Page 21

Troubleshooting Procedures

!W ARNING

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

Single Dryer Troubleshooting Guide

Control

Does Not

 

Enter service mode.

 

Respond To

 

 

Does display contain

 

 

 

Program

 

a diagnostic code?

 

Key Inputs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does the keys work

 

 

 

 

 

in service mode?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Exit service mode.

 

 

 

 

 

Does the display

 

 

 

 

See diagnostic code

Yes

 

 

 

 

troubleshooting guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unplug dyer and check

 

 

 

 

 

membrane switch tail

 

 

No

 

 

 

 

 

 

connection to the board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Plug the dryer back in..

 

 

 

 

 

 

 

 

If problem persists replace

membrane switch.

If problem persists,

replace control board.

show "Select

Cycle"?

No

Yes

 

Is the door shut?

 

No

 

Close the door.

 

 

 

Yes

Put the proper

number of coins

into the coin drop.

Does the help mode show that the door is shut?

No

Unplug dryer and check

continuity of the door

switch when the door is

opened and closed.

Does door switch open and close properly?

Yes

Unplug dryers and check

wiring and termination

between door switch and

control board.

 

 

Unplug the dryer , then

Yes

 

 

plug it back in.

 

 

 

 

If problem

persists, replace

control board.

 

 

 

Adjust door switch

No

 

 

or replace it if

 

 

 

 

necessary.

 

 

 

 

If problem

persists, replace

control board.

©2004 Maytag Appliances Company

16022904 Rev. 0

21

Image 21
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 InstructionsParts and Accessories ServiceModel Identification Commercial Dryer NomenclatureTERMINOLOGY/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 SystemPower Interruptions Safety FeaturesGas Conversions Ignition FailuresGeneral Information General Specifications Wattage SpecificationsExhaust Ducts Drive Motor Check Electrical TroubleshootingAir Shutter Adjustment Centrifugal SwitchMotor Test Cord Drive Motor TestManometers How to UseWill Not Shut-Off Mechanical Troubleshooting Will Not RunWill Not Dry Noisy and/Or Vibration Single Dryer Troubleshooting Guide Cannot Enter Or Dryer Stopped with Zero Minutes Remaining DisplayExit OperatorDropped Into Machine Credited Are Eventually Lost Display Flashes User ModeControl Does Not Respond ToKey Inputs Dryer Drum Will Not Turn To Coin 1 or ResponseWill not Respond to handheld Will Not Keep Time Of Day During Power InterruptionsNo Decimal Point Is UsedDryer Will Not HeatDryer Diagnostic Program Single Dryer Diagnostic ProgramDoor Sense Problem Single Dryer Diagnostic CodeVAC Display Is Blank Stack Dryer Troubleshooting GuideAbnormal Display Or Function Upper or Lower Dryer Has Zero Minutes Remaining DisplayBoard Does ControlNot KeypadsKeep Time Day Response To Coin Or CoinDuring InterruptionCannot Dryer Runs Without Program Selection Drum Will Not Turn Stack Dryer Diagnostic Program D1 or d17 Door Sense Problem Stack Dryer Diagnostic CodeVoltage Problem Control Panel Touch Pad AssemblyMicroprocessor Board TransformerCoin Vault Switch Service Door SwitchDoor Assembly Coin SensorReversing Door Assembly Door DisassemblyFront Panel Top Cover Door SwitchOutlet Duct, Shroud & Tumbler Front Front Shroud Assembly RemovalBearing & Pads Lint FilterFront Seal BeltRear Shroud Assembly Installing Drive BeltBaffles Back Seal Roller and Bearing AssemblyThermostats Blower AssemblyCycling Thermostat Low-cycling ThermostatBlower Exhaust Duct Pipe Assembly Breakdown Motor Switch Drive Motor AssemblyIdler Arm Assembly Gas Valve Assembly CoilsIgniter Combustion Cone Gas ValveInlet Duct Heater EnclosureService Panel and Switch Access CoverStack Dryer Sloped Front Models Coin Drop MicroprocessorSwing Out Away Remove ScrewsStack DRYER-MN Models Stack Dryer Sloped Front PRTimer Push-To-Start SwitchSelector Switch Machine-In-Use LightStack 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 Dryer Help Mode Dryer Diagnostic ModeAll Single Load Models Stacked Models Only