Maytag MLE/MLG23PDA manual Options, Dryer Runs Without Program Selection Drum Will Not Turn

Page 33

Troubleshooting Procedures

!W ARNING

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

Stack Dryer Troubleshooting Guide

Operator

Setup operator

options as desired

Options

 

 

 

 

unplug machine for

 

Revert To

minimum 15

Defaults

seconds, then plug in.

Display

Check wiring and

termination

Flashes In

 

 

between vault

 

User Mode

switch and control

board.

 

 

 

 

 

 

 

If problem

persists, replace

control board

Unplug dryer. Disconnect lower connector from control board.

check for conuity between terminals 7 and 8 of connector

while cycling vault switch

If problem

 

 

 

persists, replace

 

 

Yes

 

 

control board

 

 

 

 

 

 

 

 

 

 

Does vault switch open and close properly?

 

 

 

Replace vault

No

 

 

 

 

switch.

 

 

 

 

 

 

 

 

 

 

Dryer

Runs

Without

Program

Selection

Dryer

Drum

Will Not

Turn

Check for welded

motor relay and

replace if necessary.

Check wiring and termination between control board, motor

relay, door switch, and motor.

If problem

persists, initiates a

dryer service

cycle.

Does dryer door switch open and close properly?

No

Replace Door

switch.

 

 

Yes

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Close the dryer door and enter

 

 

 

 

 

 

 

 

 

 

 

 

Did a diagnostic code

 

operator mode using service

 

 

 

 

switch. Push a delicates keypad

 

 

 

 

 

appear?

 

for at least 1 second

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

See the PD

 

 

 

stacked dryer

Yes

 

 

diagnostic code

 

 

 

 

troubleshooting

 

 

 

 

 

 

guide.

 

 

 

 

If problem

persists, replace

control board.

No

Does 25 VDC appear across coil of motor relay?

 

 

 

Replace motor

Yes

 

 

 

 

relay.

 

 

 

 

 

 

 

©2004 Maytag Appliances Company

16022904 Rev. 0

33

Image 33
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 VibrationSingle 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