Question about Microwave Ovens
Hi Rob. I need to ask if you have done the unplug it for 30 minutes routine. What happens when there is a brief power outtage is the coolant system is not stabilized so the internal compressor temps and pressures are very high. As a result the compressor tries to start with those internal high pressure and the only thing that happens is the Klixon thermal overload will cycle about every 4 - 5 minutes but the compressor will not start. As a result of that cycling and the compressor not starting the interanl compressor heat remains very high and self heats in the process. Hence I recommend you unplug the unit and possible place a fan directed toward the bottom of the unit to assist in cooling it down. After 30 minutes plug the unit back in and see if the compressor starts.
Just a note about appliances damaged by power.... you may want to contact your local unility. There is a good chance they can be held liable for the damages as a result of that outtage especially if there was a high voltage surge as a result of power restoration or initial power failure.
Your main circuit board is item 801 of this link http://www.appliancepartspros.com/partsearch/model.aspx?model_id=5219931&diagram_id=25943525#d25943525
and appears to be on the back of the unit. Access panel for the main board item 415 must be removed to change the main board.
Just a note item 621 on the side of the evaporator is a thermal fuse. It can cause this problem also. It is a very remote possibility though.
Thanks for choosing FixYa.
Posted on Aug 29, 2010
Testimonial: "Thanks for the help. I have had the unit unplugged for over 30 minutes (Had it outside cleaning out the interior after all the food spoiled). "
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Posted on Jan 02, 2017
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