This 40w light bulb is a replacement bulb constructed of glass and metal. It is an easy-to-install electrical part which produces 40w of light. If the bulb won't light up then it may be broken and sho...
$11.26
In Stock
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This Charcoal Filter traps grease from your oven's exhaust to help prevent it from entering the vent, which could cause damage over time. If the exhaust fan on your microwave is not working, you may n...
$19.91
In Stock
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This Grease Filter is constructed of Acrylonitrile Butadiene Styrene and is used to trap grease and help eliminate odors from the exhaust air while cooking. It attaches onto the exhaust and is rated ...
$44.92
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This three-terminal switch fits your microwave door. This part is mostly black in color and is about 1.5 inches with metal terminals. You might need to replace this part if your microwave is not heati...
$13.12
In Stock
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This door interlock switch is a genuine replacement part designed for use in microwaves. It serves a critical safety function by preventing the microwave from operating when the door is open. Because ...
$42.70
In Stock
Order within the next 12 hrs and your part ships today!
Order within the next 12 hrs and your part ships today!
Questions And Answers for WMH31017AB4
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Rob
April 9, 2023
Replaced bad bulb. Now switch not working, will not turn off. Shows full,half and off on display when light button pressed
For model number WMH31017AB4
Hi Rob, thank you for reaching out. The issue is most probably related to the control board, part number PS11722973. A damaged component on the control board can cause this issue. We hope this sorts out your problem!
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.
