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Jamie
March 7, 2020
My whripool micro blew a fuse in fuse box but never heard anything and just cooked a cheese burger from mcdonald's in it cut off won't cut on nothing
For model number WMH31017AW2
Hello Jamie, thank you for your question. Usually when a microwave won't heat or turn on, there are a few parts that can cause this. Most commonly, the fuse. But we do recommend testing the door switches as well. We would recommend testing Fuse Part Number: W10138793, Door Switch - 3 Terminal Part Number: W10727360, Microwave Door Interlock Switch Part Number: W10269458. I hope this helps.
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Janice
September 26, 2023
My microwave quit heating. Reasons why?
For model number WMH31017AW2
Hi Janice, thank you for reaching out. Based on our research, you may need to check the door switch first. If it is ok, then you may need to replace the diode, part number PS12584264, to fix the issue. It is an electrical current control device inside the microwave. We hope that helps!
The nightmare was that this microwave is installed under the cabinet....in order to get to the light bulb I had to pull out my stove then squeeze into the space between the stove and counter....my old microwave light bult was much easier to change.....Shame on Whirlpool for making this so difficult.....must be a better way to cover the light bulb so that we do not need a screwdriver to remove the door to get to the light bulb
Ordered top & bottom micro-switches and mounting plate parts. Internet reviews could not find specifics if the issue was due to a top/bottom or combination of micro-switch or mounting plate failure. Pulled the plug. Removed the top vent assembly cover held in by 2 Phillips screws inside the vent. Removed the control panel held in by 1 Phillip screw at the top vent assembly area. Lifted control panel upward to release the catch and moved it off to the side - didn't disconnect any leads. Used a Torx bit to remove the door switch mounting plates at the front and pulled the plates through the opening from the control panel. Documented the wire color code connections, the top plate uses 2 micro's with one using both the closed & open contact. Installed the respective micros on the mounting plates and worked backwards with the wiring and removal steps. Once completed, the open/close sensing has worked every time.
