Amana LGD20AW - Door Switch Test; Signal Control Switch; Timer Advance and Timer Contact Points Test

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Table of Contents3
Safety Information5
Nameplate Location7
Model Identification7
Product View and Parts Identification9
Troubleshooting11
Motor Does Not Run11
Unit Stops in Cycle; Quits after a Couple Loads12
Burning Smell; Cycles on Motor Thermal Protector12
Motor Runs but Cylinder Does Not Turn12
Motor Does Not Stop13
Heating Assembly Does Not Heat or Burner Does Not Ignite13
Igniter Does Not Glow (Gas Supply Sufficient)14
Burner Ignites and Goes out Repeatedly - Gas Models15
Igniter Glows but Burner Does Not Ignite15
Heater Assembly or Burner Shuts off Prematurely17
Heater Assembly or Burner Repeatedly Cycles off on Limit Thermostat17
Heater Assembly or Burner Does Not Shut off18
Clothes Do Not Dry18
Signal Does Not Operate Correctly19
Timer Does Not Advance in Automatic Cycle19
Clothes Are too Hot When Removed from Dryer20
Grounding22
Service Procedures26
Control Hood Assembly26
Fluorescent Light Assembly26
Control Hood End Caps26
Graphics Panel27
Timer27
Fabric Selector Switch27
Signal Control27
Exploded Diagrams28
Extended Tumble Switch31
Printed Circuit Board31
Electronic Control31
Lint Filter31
Inner and Outer Door Panels and Door Pull33
Loading Door and Door Hinge33
Reversing Door Procedure34
Door Strike36
Door Seal36
Front Paned and Panel Seal37
Door Switch37
Door Catch37
Door Hinge39
Hold-Down Clips and Locators39
Burner System Components40
Complete Gas Valve Assembly40
Flame Sensor41
Burner Housing and Heat Shroud42
Limit Thermostat42
Heating Element42
Thermistor or Thermostat and Heater43
Front Air Duct43
Motor and Exhaust Assembly44
Motor Pulley and Idler Pulley Assemblies45
Impeller and Housing45
Motor46
Cabinet Top47
Cylinder Light48
Cylinder Light Receptacle48
Front Bulkhead Assembly49
Moisture Sensor50
Cylinder Belt51
Cylinder Assembly52
Rear Seal53
Cylinder Rollers55
Outlet Cover55
Rear Bulkhead and Heater Box56
Terminal Block or Power Cord58
Power Cord59
Terminal Block Terminals60
Cabinet60
Base61
Adjustments63
Leveling Legs63
Burner Flame64
Test Procedures65
Drive Motor Test65
Motor Switch Test66
Motor Windings Test67
Internal Wiring of Dryer Motor67
Burner System Operation68
Ignition System Features68
Momentary Power Interruption68
Flame Failure68
Electrical Circuit to Ignition System69
Gas Valve Coils Test70
Sensor Test70
Coil Tolerance Readings70
Igniter Check71
Temperature Switch Check71
Door Switch Test72
Signal Control Switch72
Timer Advance and Timer Contact Points Test72
Cycling or Limit Thermostat Test74
Thermostat Heater Test74
Thermal Fuse Test74
Heater Assembly Test74
Service Procedures Unique to Electromechanical Dryers75
Dryer Operation75
Moisture Sensor Control Replacement76
Timer Does Not Advance78
Motor Does Not Stop and Cycle Does Not End78
Machine Stops Prematurely79
Signal will Not Operate on One Volume/At All80
Service Procedures Unique to Electronic Control Model Dryers81
Electrical Service81
Grounding and Wiring Instructions81
Electrical Connection (Three-Wire)84
Three Wire Plus Ground Wire Power Cord84
Grounding Instructions88
Failure Symptoms89
Diagnostic Routine90
Blown Fuse or Tripped Circuit Breaker92
Control will Not Wake up after Select Cycle Pad Is Pressed93
Control Wakes up but Motor Does Not Start Properly94
Heater Does Not Turn on or no Heat95
Improper Drying Temperature or Dry Times96
"Op" Appears in Time Display98
"SH" Appears in Time Display99
Dryer Goes into Cool-Down in about Five Minutes and Load Is Not Dry100
Control Replacement101
Washer Control Failure102
Dryer Control Failure102
Internal Wiring of Dryer Motor Switch104
Wiring Diagrams106

Amana LGD20AW - Door Switch Test; Signal Control Switch; Timer Advance and Timer Contact Points Test

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