Maytag MDE/MDG21PRA, MDE/MDG21PNA, MDE/MDG21PDA, MDE/MDG21PDD, MDE/MDG21PND manual Voltage Problem

Page 36

Troubleshooting Procedures

!WARNING

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

Stack Dryer Diagnostic Code

 

 

 

Try to clear the

 

d9

diagnostic code by

 

pressing the

 

Voltage Problem

 

 

Delicates keypad

 

 

 

Less Than 90 VAC

for more than 1

 

 

 

 

second while the

 

 

 

 

code is displayed.

 

 

 

 

 

 

Exit service mode , and pause for 10 seconds, enter service mode.

Did the

diagnostic code Yes cancel?

No

Low voltage was sensed on the power line, but is now ok.

 

Check installation

 

 

 

 

 

 

 

 

 

 

 

 

to insure proper

 

 

 

 

 

 

 

 

 

 

Check installation

 

power going to this

 

 

 

 

 

Are other machines

 

 

 

 

 

 

 

 

 

 

 

 

 

 

to insure proper

 

dryer. If d9

 

 

No

 

at this location giving a d9

 

Yes

 

 

 

 

 

 

 

 

 

power going to all

 

persist, check the

 

 

 

 

 

diagnostic code?

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

of the dryers

 

wiring or replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

the transformer

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If problem persists replace

 

 

 

 

 

 

 

 

 

 

the control board.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clear diagnostic

 

 

 

 

 

 

 

 

 

 

 

 

d12 indicates

 

 

 

 

 

 

 

 

 

 

 

 

 

 

code by pushing a

 

 

 

 

 

 

 

 

 

d12 or d14 Motor

 

 

lower dryer motor

 

 

 

 

 

Does

 

 

Delicates keypad

 

 

 

sense. d14

 

 

 

 

 

diagnostic code

 

 

 

Sensed Problem

 

 

for at least 1

 

 

 

 

 

 

indicates upper

 

 

 

 

 

remain?

 

 

 

 

 

 

second while code

 

 

 

 

 

 

 

dryer motor sense

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

is displayed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

 

No

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

False indication

control board

Replace control

board

d16

PR Models Only

Is card reader

installed?

No

Check wiring between debit card reader and control board

Power down and

up machine to

reset card reader

Replace card

reader or

control board.

Install reader or use PDA to change mode out of

Gen 2 debit mode

36

16022904 Rev. 0

©2004 Maytag Appliances Company

Image 36
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 ExplanationService Parts and AccessoriesModel Identification 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 ClosedSafety Features Power InterruptionsGas Conversions Ignition FailuresGeneral Information General Specifications Wattage SpecificationsExhaust Ducts Electrical Troubleshooting Drive Motor CheckCentrifugal Switch Air Shutter AdjustmentMotor Test Cord Drive Motor TestHow to Use ManometersMechanical Troubleshooting Will Not Run Will Not Shut-OffWill Not Dry Noisy and/Or VibrationSingle Dryer Troubleshooting Guide Dryer Stopped with Zero Minutes Remaining Display Cannot Enter OrExit 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 orWill Not Keep Time Of Day During Power Interruptions Will not Respond to handheldNo Decimal Point Is UsedNot Heat Dryer WillSingle Dryer Diagnostic Program Dryer Diagnostic ProgramSingle Dryer Diagnostic Code Door Sense ProblemVAC Stack Dryer Troubleshooting Guide Display Is BlankAbnormal Display Or Function Upper or Lower Dryer Has Zero Minutes Remaining DisplayControl Board DoesNot KeypadsResponse To Coin Or Coin Keep Time DayDuring 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 Touch Pad Assembly Control PanelMicroprocessor Board TransformerService Door Switch Coin Vault SwitchDoor Assembly Coin SensorReversing Door Assembly Door DisassemblyFront Panel Door Switch Top CoverFront Shroud Assembly Removal Outlet Duct, Shroud & Tumbler FrontLint Filter Bearing & PadsFront Seal BeltRear Shroud Assembly Installing Drive BeltBaffles Roller and Bearing Assembly Back SealBlower Assembly ThermostatsCycling Thermostat Low-cycling ThermostatBlower Exhaust Duct Pipe Assembly Breakdown Motor Switch Drive Motor AssemblyIdler Arm Assembly Gas Valve Assembly CoilsIgniter Gas Valve Combustion ConeInlet Duct 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 ModelsPush-To-Start Switch TimerSelector Switch 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 Dryer Diagnostic Mode Dryer Help ModeAll Single Load Models Stacked Models Only