Maytag MLE/MLG23PRA, MDE/MDG21PRA, MDE/MDG21PNA, MDE/MDG21PDA Single Dryer Troubleshooting Guide

Page 18

Troubleshooting Procedures

!WARNING

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

Single Dryer Troubleshooting Guide

Display Is

 

 

Make sure dryer is

 

 

plugged in to live

 

Blank

power source

 

 

 

 

Is the exhaust tube nipple on the side of the display damaged?

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Initiates the

Yes

 

 

manual reset

 

 

 

 

sequence

 

 

 

 

 

 

Enter service mode using service switch does display contain a diagnostic code?

Unplug dryer and check wiring

and termination between

transformer, service switch,

and control board.

 

 

Plug in dryer, open

 

 

 

service door is

 

Yes

 

there 26 VDC

 

 

 

 

 

across the service

 

 

 

door. switch?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Does 115 VAC

 

 

 

appear across the

 

 

 

primary of the

 

 

 

transformer?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

See diagnostic

code guide.

 

Replace the

transformer, inspect

Yes control board for burned components and replace

it if damaged

No

If problem still

exists replace the

control board

Check wiring to transformer and power at outlet.

Abnormal

Unplug the machine

 

 

 

then plug it back in. If

 

 

If problem still exists,

 

 

 

problem still exist,

 

 

Display

 

 

replace the control board.

initiate the manual reset

 

 

Function

 

 

 

sequence.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

16022904 Rev. 0

©2004 Maytag Appliances Company

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Image 18
Page 17 Page 19
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 Grounding Instructions ExplanationModel Identification ServiceParts and Accessories Commercial Dryer NomenclatureTERMINOLOGY/DEFINITIONS Term Definitions Water 1 o FAir movement measured in cubic feet per minute GAS Valve Assembly HOW IT WorksFunction of Gas Valve System Radiant Sensor Contact ClosedGas Conversions Safety FeaturesPower Interruptions Ignition FailuresGeneral Information General Specifications Wattage SpecificationsExhaust Ducts Electrical Troubleshooting Drive Motor Check Motor Test Cord Centrifugal Switch Air Shutter Adjustment Drive Motor TestHow to Use ManometersWill Not Dry Mechanical Troubleshooting Will Not RunWill Not Shut-Off Noisy and/Or VibrationSingle Dryer Troubleshooting Guide Exit Dryer Stopped with Zero Minutes Remaining DisplayCannot Enter Or OperatorDisplay Flashes User Mode Dropped Into Machine Credited Are Eventually LostControl Does Not Respond ToKey Inputs Dryer Drum Will Not Turn Response To Coin 1 orNo Decimal Will Not Keep Time Of Day During Power InterruptionsWill not Respond to handheld Point Is UsedNot Heat Dryer WillSingle Dryer Diagnostic Program Dryer Diagnostic ProgramSingle Dryer Diagnostic Code Door Sense ProblemVAC Abnormal Display Or Function Upper or Stack Dryer Troubleshooting GuideDisplay Is Blank Lower Dryer Has Zero Minutes Remaining DisplayNot ControlBoard Does KeypadsDuring Response To Coin Or CoinKeep Time Day InterruptionCannot Dryer Runs Without Program Selection Drum Will Not Turn Stack Dryer Diagnostic Program Stack Dryer Diagnostic Code D1 or d17 Door Sense ProblemVoltage Problem Microprocessor Board Touch Pad AssemblyControl Panel TransformerDoor Assembly Service Door SwitchCoin Vault Switch Coin SensorReversing Door Assembly Door DisassemblyFront Panel Door Switch Top CoverFront Shroud Assembly Removal Outlet Duct, Shroud & Tumbler FrontFront Seal Lint FilterBearing & Pads BeltRear Shroud Assembly Installing Drive BeltBaffles Roller and Bearing Assembly Back SealCycling Thermostat Blower AssemblyThermostats Low-cycling ThermostatBlower Exhaust Duct Pipe Assembly Breakdown Motor Switch Drive Motor AssemblyIdler Arm Assembly Gas Valve Assembly CoilsIgniter Inlet Duct Gas ValveCombustion Cone Heater EnclosureService Panel and Switch Access CoverStack Dryer Sloped Front Models Microprocessor Coin DropRemove Screws Swing Out AwayStack Dryer Sloped Front PR Stack DRYER-MN ModelsSelector Switch Push-To-Start SwitchTimer Machine-In-Use LightFront Shroud Assembly Stack DRYER-FLAT Front ModelsMotor & Heater Relays Appendix a Programming Procedures PricingFixed Vend Pricing SET UP Codes Steps 3. thru 9. codes are skipped if mode 2.00 is selected Money Counter Option00 7.STARTING of Special Pricing Hour Value of Coin 2 Canadian Dollar Drop White & Colors keypad Example All Single Load Models Dryer Diagnostic ModeDryer Help Mode Stacked Models Only
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