Maytag MDE/MDG21PDD, MDE/MDG21PRA, MDE/MDG21PNA, MDE/MDG21PDA, MDE/MDG21PND manual Table of Contents

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Table of Contents

Important Information

2

Thermostats

45

Important Safety Information

4

Cycling Thermostat

45

General Information

 

Low-Cycling Thermostat

45

Model Identification

7

Thermal Fuse

45

Commercial Dryer Nomenclature

7

Hi-Limit Thermostat

45

Terminology/Definitions

8

Blower Assembly

45

How It Works

9

Blower Seal

45

Gas Valve Assembly

9

Blower Cover

45

Test Equipment

12

Blower

46

Troubleshooting Procedures

13

Exhaust Duct Pipe

47

General Specifications

13

Drive Motor Assembly

47

Wattage Specifications

13

Assembly Breakdown

47

Exhaust Ducts

13

Motor Switch

47

Electrical Troubleshooting

14

Idler Arm Assembly

47

Drive Motor Check

14

Gas Valve Assembly

48

Motor Test Cord

15

Coil

48

Drive Motor Test

15

Igniter

48

Centrifugal Switch

15

Gas Valve

49

Air Shutter Adjustment

15

Combustion Cone

49

Manometer

16

Inlet Duct

49

Mechanical Troubleshooting

17

Heater Enclosure

49

Single Dryer Troubleshooting Guide

18

Stack Dryer-Sloped Front

50

Single Dryer Diagnostic Program

26

Service Panel & Switch

50

Single Dryer Diagnostic Code

27

Access Cover

50

Stack Dryer Troubleshooting Guide

29

Control Panel

50

Stack Dryer Diagnostic Program

34

Microprocessor

51

Stack Dryer Diagnostic Code

35

Coin Drop

51

Disassembly Procedures

 

Front Panel

52

Control Panel

37

Stack Dryer--Sloped Front (PR Model)

53

Microprocessor Board

37

Microprocessor

53

Touch Pad Assembly

37

Stack Dryer - MN Models

53

Transformer

37

Front Panel

53

Meter Case

37

Timer

54

Service Door Switch

38

Selector Switch

54

Coin Vault Switch

38

Push-To-Start Switch

54

Coin Drop Acceptor

38

Machine-In-Use Light

54

Coin Sensor

38

Stack Dryer - Flat Front Models

55

Door Assembly

38

Front Panel

55

Reversing Door Assembly

39

Microprocessor

55

Door Disassembly

39

Front Shroud Assembly

55

Front Panel

39

Motor & Heater Relays

56

Top Cover

40

Appendix A

57

Door Switch

40

Programming

58

Front Shroud Assembly Removal

41

Start Operating Set-up

58

Outlet Duct, Shroud & Tumbler Front

41

General User Information

58

Lint Filter

42

Set-Up codes

60

Bearing & Pads

42

Dryer Diagnostic Mode

66

Front Seal

42

Dryer Help Mode

66

Belt

42

 

 

Baffles

43

 

 

Rear Shroud Assembly

43

 

 

Back Seal

44

 

 

Roller & Bearing Assembly

44

 

 

©2004 Maytag Appliances Company

16022904 Rev. 0

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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 CoilsIgniter 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