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Customer Questions and Answers for High-Voltage Diode Kit (Microwave) by Frigidaire

4.89 (64)
By: Frigidaire
Part Number: OEM9662217
Manufacturer Part Number: 5303918287

This microwave high-voltage diode kit converts AC to DC in the high-voltage circuit so the magnetron can heat. Replacing a failed diode often restores heating performance. What it does:

  • Rectifies high-voltage AC to DC for the magnetron
  • Completes the high-voltage circuit with the transformer and capacitor
  • Common failure symptoms include running but not heating, loud humming/buzzing, or blowing a fuse/tripping a breaker at start
  • Visual clues can include cracking, swelling, or burn marks on the diode
What's included:
  • One high-voltage diode
Install notes:
  • Disconnect power before servicing; microwaves can retain lethal voltage even when unplugged
  • Properly discharge the high-voltage capacitor before handling components; use insulated tools and approved procedures
  • Note diode orientation/polarity and mounting; install exactly as the original

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Questions & Answers

For Frigidaire High-Voltage Diode Kit (Microwave) (Part Number: OEM9662217)

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Answer

Phil, The diode would typically create an issue that when you dispense water through the door it will come out of the icemaker or vice-versa. If the valve does not energize when the dispenser lever is pushed and it hooked up to the ice maker water valve then the issue will most likely be the water valve is at fault.

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Answered by AppliancePartsPros.com   |   Thursday, October 29, 2020

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