Amana AMH20 Service Manual
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Brand: Amana
Category: Microwave Oven
Type: Service manual
Model: Amana AMH20 , Amana AMH202 , Amana AMH20A2 , Amana AMH20AD2 , Amana AMH20D , Amana JBH202 , Amana MMH20AD2 , Amana P1330801M , Amana P1331101M , Amana P1331102M , Amana P1331103M , Amana P1331104M , Amana P1332501M , Amana P1332504M , Amana P1332505M , Amana P1332506M , Amana P1332507M , Amana SZH20
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©2006 Maytag Services 16023463 3
Important Information .................................................... 2
Important Safety Information ......................................... 4
Grounding Instructions ............................................... 7
Servicing of Grounded Products ................................. 8
Wiring ........................................................................ 8
Proper Grounding and Polarization of
208/230 Volts Wall Outlets ..................................... 8
Explanation ............................................................... 8
Test Procedures (2 Methods) ..................................... 8
General Test Information ............................................ 8
General Information
Unpacking Equipment ................................................ 9
Equipment Placement ............................................... 9
Radio Interference ...................................................... 9
Model Identification .................................................... 9
Service ....................................................................... 9
Parts and Accessories ............................................... 9
Troubleshooting Procedures .................................. 10-15
Component Testing Procedures ............................. 16-19
Power Test .................................................................. 20
Convection Temperature Test and Calibration ............. 21
Display Diagnostic ...................................................... 22
Service Test ................................................................ 23
Service Functions .................................................. 24-25
Disassembly Procedures
Door Handle ............................................................ 26
Magnetic Door Stop ................................................. 26
Outer Door .............................................................. 26
Inner Door Assembly ............................................... 26
Hinge ....................................................................... 26
Outer Case .............................................................. 27
Back Panel .............................................................. 27
Interlock Switch Module ........................................... 27
Stirrer Motor and Antenna Gears ............................. 27
RTD (Resistance Thermal Device) .......................... 28
Top Touch Panel Assembly ...................................... 28
Table of Contents
Side Touch Panel Assembly .................................... 28
Display Module ........................................................ 28
Heating Elements (oven top) .................................... 28
Inlet Duct Assembly ................................................. 28
Halfwave Board ....................................................... 28
Control Board Assembly Bracket ............................. 29
High Voltage Circuit Board ...................................... 29
Auto Transformer ..................................................... 29
Triacs ...................................................................... 29
Power Relay ............................................................ 29
Convection Motor Capacitor .................................... 29
Magnetron ............................................................... 29
Magnetron, Control, and Fan
Thermal Cutouts (TCO) ........................................ 30
Blower Bracket Assembly ........................................ 30
Microwave Blower Wheel and Motor ....................... 30
Fan Blade ................................................................ 30
Transformer ............................................................. 30
Capacitor / Diode .................................................... 31
Convection Box ....................................................... 31
Convection Element ................................................. 31
Thermal Limiter ........................................................ 31
Plenum Box ............................................................. 31
Fuse ........................................................................ 31
Power Cord ............................................................. 31
Component Location ........................................... 32-34
Appendix A
Owner’s Manual ............................................. A-2-A-16
Appendix B
Quick Reference Guide .................................... B-2-B3