There are 2 fuses in your unit.
The line fuse: (Item 14) (20 A)
http://www.appliancepartspros.com/partsearch/model.aspx?model_id=260484&diagram_id=93994#d93994
and the Thermal Fuse (Item 5) same link
Either of the 2 can cause your unit to no longer operate. Most of the time the failure is the line fuse.
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Kelly
Hello :
Problem with the power transformer or the power PCB . Or it could be just a fuse . You need to check first . If it's the fuse , then that will be easy to solve , you need only to replace it with new one . But if the problem is with the transformer or with the PCB , you need to take your microwave to the service .
You could check for manual here :
Whirlpool MH7130XE Microwave Oven manual .
good luck .
rate please !
Either you have defected (weak) circuit breaker and wiring or bad Microwave oven.
The 99.99 % house hold Microwave ovens pull less than 15 Amps. They may have internal ceramic 15A fuse or 15 Amp internal circuit breaker.
To isolate your problem:
1.
Plug your Microwave oven to different areas (different electrical circuit) if the different circuit breaker still trips... your Microwave oven has a short - Most of them has a small ceramic fuse 15 amps fuse.-also check some inter lock switches at door .
2.
If the Microwave oven works Ok then you may have:
2a. You may overload the existing electrical circuit, try to unplug some other appliances
2b. You may have bad electrical outlet receptacle (Replace it with the same type , - may need helps from licensed electrician)
2c. Weak or defect house hold circuit breaker. (Replace it with the same type , brand - may need helps from licensed electrician)
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