Microwave Top 5 common issues problems faults and easy fixes

 ** 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.

See video of this below