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Microwave Problems


10 Most Common Problems

1. M/O does not operate, light don't work
  • No power
    • Defective outlet or AC circuit problem - Transfer to electrician
    • Blown fuse
2. Display does not illuminate, light works
  • Defective power board
  • Defective touch pad
3. Light & fan run continuously
  • Defective interlock switch
  • Defective power board
  • Burned wire to switch
4. M/O runs, but does not cook
  • Blown diode
  • Defective capacitor
  • Defective magnetron
  • Defective high voltage transformer
  • Poor connection at magnetron
5. M/O makes loud noise when cooking
  • Magnetron shorted to ground
  • Defective transformer
  • Defective capacitor
  • Defective diode
6. M/O cooks unevenly
  • Stirrer belt broken
  • Stirrer blade melted
7. Control board does not stop counting down w/door open
  • Defective control board
  • Defective door switch
8. Turntable does not turn during operation
  • Defective turntable motor
  • Defective control board
9. Oven light glows during cooking, but does not when door opened
  • Defective primary interlock switch
10. Oven cooks slow
  • Defective magnetron
  • Defective capacitor
  • Defective transformer

Microwave Problems

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