Question about Whirlpool MH7155XM Microwave Oven
Remove the outer cover and its in a fuse holder on the right side of unit get the right amperage
Posted on Oct 05, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
The magnetron may have either failed or
is not being supplied with the extremely high voltage required to run
Make sure the !!!!capacitor is discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 on high resistance range for short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
If the magnetron has failed it is possible that it has taken out the mains fuse. Replace all faulty components with identical types and values!
Hope that helps.
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