Model #646 Peerless transaxle/transmission, tractor

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Question and Answers


I have a Kenmore model 721 646 43200 over the stove microwave oven.


Thank you for your question as to why the work lights on the microwave are not working.

It has been my experience the reason for the lights not working is the relay on the control board has failed.

It could be the wiring harness for the light circuit also, but not as likely as the control board.

You will need to have a technician check the light circuit to get the proper diagnosis.

I am sorry, but we do not give repair information on microwave ovens because they are inherently dangerous to service. Microwaves contain high voltage internal components that can retain a lethal electrical charge even when the microwave is completely unplugged. Door repairs and adjustments, even minor ones, can cause microwave leakage, and a microwave shielding leakage test must be preformed using a survey meter after any microwave service. That's why I strongly warn you to have this repair handled only by a qualified service technician. You can schedule service online with Sears Home Services or by calling 1-800-4MY-HOME.

Normally at Manage My we like to help you with all of your repairs, but our expert advice is that microwaves are just too dangerous.

Sam A.

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Sam A -
Sears Technician
March 08, 2012