** Warning avoid the capacitor inside these and do not open case with it plugged in**
First most common problem is the fuse test for continuity
Then i would test the thermal cut outs
Another issue could be the heater on the magnetron
The doors usually have 3 micro switches
and can be normally open or closed switches
so connect meter set to continuity and test by
opening and closing the door
Test capcitor this one is 1 micro farad and it tested perfect
extra one test the primary and secondary windings of transformer.
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