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Customer Questions and Answers for Micro Switch(primary) by LG

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    • Part Number: AP4437957
    • MFG Part Number: 3B73362F
    • Made by: LG
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Questions & Answers

For LG Micro Switch(primary) (Part Number: AP4437957)

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No power to microwave. Replaced and tested both fuses, tested continuity for all switches and tested capacitor. Could it be the high voltage transformer or is it some other part? Thx.

Microwaverepair for Model Number 721.66463500

ANSWER Hello Microwaverepair. It has to be the control board if all the other parts are testing good on the unit. 

Answered by AppliancePartsPros.com   |   Friday, December 13, 2013

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