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GE Microwave

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I dont have a model number, but here is the situation: found the unit to have a blown thermal fuse. replaced with a new part, ran it for 15 seconds and new TCO blew out. Where should I look from here? I dont know much about microwaves.

Any help would be appreciated.

Magnatron/Capacitor/Diode is shorted to ground... :D

Fuse or thermal fuse? Most microwaves have two thermal fuses. One on the mag and one on the cavity. Which one opened?

The one that opened was the cavity. This is a microhood, is it necessary to uninstall these to test/replace mags and transformers? If that's the case, it seems like I can't charge enough to make any money repairing them.

Yes you have to open it to test them correctly.


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