Maytag LD5004 - Control Circuit; Controlled Circuit; If Drive Motor will Not Run (Gas and Electric)

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Table of Contents3
Safety Precautions8
Specifications9
Pre-Installation Considerations10
Location Consideration11
Alcove or Closet Installation11
Gas Requirements12
Hig Pressure Testing12
Low Pressure Testing12
Non-Exhausted Installations13
Elecrical Requirements15
Grounding15
Gas Ignition15
Electrical Connections16
50 Hertz Operation17
Installation18
To Make the Gas Connection19
To Make the Electrical Connection20
3-Wire/4-Wire System Connections21
Electrical Test Equipment22
Appliance Test Meter Use23
Voltage Checks25
Using Voltmeter as a Continuity Tester26
Using Meter for Temperature Readings26
Clamp-On Ammeter27
Dryer Operating Currents27
Voltage Checks with Ammeter28
Motor Test Cord28
Dryer Drive Motor28
Checking Heat Contacts - Motor Centrifugal Switch29
Manometers29
General Information31
Control Operating Instructions33
Select the Cycle33
Pre-Programmed Cycles34
Customized Care Cycles34
Special Cycles34
Wrinkle Release34
Dryer Temperature Adjustment35
Adjust the Cycle35
Signal Level Adjustment35
Time Adjustment35
Pause/Resume36
Press Care36
Time Dry36
Drum Light36
Select Options37
Select Drying Temperature37
Indicator Lights38
On Light38
Dryness Monitor38
Permanent Press38
Dryer Signal40
Regular Fabrics43
Less Dry Setting47
Large Setting47
More Dry Setting47
Damp Dry48
Air Fluff48
Time Dry/Air Fluff53
Dryer Cycles53
Moisture Monitor53
Auto Dry Regular53
Dryer - Service Procedures55
Cabinet and Top Cover55
Cabinet Removal55
Types of Controls56
To Access Control Components56
Automatic, Electronic Control Operation56
Auto Dry Models57
Auto Dryer Operation59
Automatic Control W/Time Dry Option60
To Replace Timer60
Timer Motor60
Control Panel60
Electronic Control W/Time Dry Option61
Buzzer61
Adjustable Slide Lever61
Push to Start and Door Switch61
Auto-Dry Switch62
Temperature Switch62
Electronic Control and Related Parts Operation62
To Remove the Electronic Control Assembly Components62
Microprocessor Touch Control63
To Remove Microprocessor Board63
To Remove Mounting Panel Assembly63
To Remove Transformer63
Front Panel and Components64
To Remove Motor Relay64
To Remove Heater Relay64
Front Panel Removal65
Door Seal65
Door Removal65
Reversing the Door66
To Disassemble Door66
Door Strike66
Door Hinges66
Door Handle67
Door Switch67
Front Panel Seal67
Tumbler and Related Components68
Interior Light Replacement68
Light Receptacle68
Dryness Sensor Removal and Check68
Tumbler Front69
Lint Filter Switch Removal69
Complete Outlet Duct70
Tumbler Front Bearing and Pads70
To Check the Lint Filter Switch70
Voltage Check for Lint Filter Switch70
Tumbler Front Seal71
Tumbler and Belt71
Installing Drive Belt72
Clothes Lifter73
Roller and Bearing Assembly73
Thermostats74
Tumbler Rear Felt Seal74
Tumbler Rear74
160 Degree Thermostat - Bi-Metal - Removal and Check75
Thermistor Resistance Type75
Thermal Fuses76
Check the Thermistor76
To Replace Thermostat76
To Remove Thermal Fuse76
Blower Diagram77
Seal for Blower77
Cover for Blower77
To Check the Thermal Fuse77
Drive Motor and Idler Assembly78
Blower Impeller/Blower Housing78
Exhaust Duct Pipe78
Motor Switch78
Motor Pulley Adjustment79
Drive Motor and Base79
Heating Element and Related Components80
Idler Assembly80
Idler Pulley80
Heat Cone81
Heating Element81
Hi-Limit Thermostat81
Gas Valve and Related Components82
Igniter82
Radiant Sensor82
Gas Valve82
Dryer Controls Calling for Heat84
Radiant Sensor Contacts Closed84
Safety Features85
Power Interruption85
Ignition Failure85
Frame Failure85
Coil Replacement86
Gas Chart86
Gas Valve Removal87
Orifice88
Inlet Duct88
Service Procedures90
Console Removal90
Switch Removal and Replacement91
Timer Removal92
Troubleshooting93
If Dryer Won't Start93
If Drive Motor Runs - Drum Won't Turn93
If Dryer Runs a few Minutes and then Stops93
If Improper Drying - Clothes Wrinkled - Hars - Taking too Long94
Will Not Shut off94
Function of Electronic Control Unit95
Dryer Noisy96
If Buzzer will Not Buzz at End of Cycle96
Sensor Assembly96
Microprocessor Board Control Models Troubleshooting97
Control Circuit98
Controlled Circuit98
If Drive Motor will Not Run (Gas and Electric)98
No Heat (Electric Dryer)99
Heat Circuit for the Gas Dryer100
Will Not Heat (Gas Dryer)100
Dryer (Microprocessor Board Control)101
Transformer101
Varistor102
No Power102
Voltage Checks on the Secondary Windings103
Fault Codes104
Clearing the Fault104
Direct Ignition System105
No Ignitor Glow105
Ignitor Glows - no Gas Ignition106
Gas Ignites - Flame Goes out106
Electrical Circuitds/Schematics107

Maytag LD5004 - Control Circuit; Controlled Circuit; If Drive Motor will Not Run (Gas and Electric)

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