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Model numbers can be made up of numbers (1005400, for example) or a combination of letters and numbers (LAT1000AAE). The model number will most likely appear on either a paper sticker or a metal plate. Your appliance's model number tag may look similar to the sample model number tags shown here (model number highlighted in yellow):
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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...
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 ...
This turntable ring in your microwave makes sure that your glass tray rotates smoothly. Located just above the internal floor, it supports the tray so that your food cooks evenly. A broken turntable r...
The glass turntable tray rotates food in the microwave to ensure even heating. Designed for compatibility with specific models, it provides a stable surface for cookware. Check fitment before ordering...
This mounting plate is sourced directly from the original manufacturer for use with microwaves. It is a metal plate designed to support a microwave by attaching the microwave to the wall studs. If the...
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...
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 ...
This diode, or high voltage diode, is used in microwaves. It is an electrical current control device that ensures power flows in one direction and not the other way. If your microwave produces no heat...
If your microwave is not turning on it could be due to your fuse needing to be replaced. This part protects the microwave by shutting it off if there is an electrical surge. This fuse is just over an ...
The light socket in your microwave houses the light bulb and connects it to the power source. The light bulb will screw into it, so the light bulb will be held in place. Be very careful when installin...
This glass tray drive coupling, also known as a tray support, is a genuine OEM replacement part. It can help solve the issue of your microwave tray not turning properly. This motor couple connects the...
$9.62
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Order now and your part arrives by Apr 6
Questions And Answers for WMH31017FW0
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Fred
December 11, 2019
The light underneath the microwave has been replaced but still will not turn on. Is there a fuse? Do the switch or socket go bad?
For model number WMH31017FW0
Hello Fred, thank you for your question. If the light was replaced and it still wont come on, the sockets would be the next part we would recommend replacing that is Part #: PS2342199. There is no fuse that connects with the lights, and the switch is part of the electronic board. I hope this helps.
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Linda
February 6, 2020
Hello
The light bulb burned out.Trying to take out expired bulb/not possible/finally got it out - but it seemed like it was melted in the socket with black residue in socket
cleaned that up
put in new replacement bulb
worked for a few hours/than burnt out again
what do you believe the situation really is?
thank you
linda b
For model number WMH31017FW0
Hello, Thank you for your question. Here is the socket. I would check into this- PartSelect Number: PS2342199. We hope this helps.
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Jim
October 22, 2021
I need to change the night light bulb. Can not get the door open. Can not find anythingn that fits the screw.
For model number WMH31017FW0
Hi Jim,
Thank you for your question. To access the exterior light bulb, you will need to remove the panel on the bottom of the microwave using a Phillips screwdriver. If your exterior light bulb has not been changed before, it is probably held in place with some silicone. You will need to cut away this silicone to remove the old bulb. If you cannot access the silicone with a utility knife, it can be removed using dental floss. Once the silicone is removed, simply unscrew the old bulb, and replace it with the new one. Be sure to disconnect the power to the microwave before you begin this repair. We hope this helps! If you have any questions, please let us know.
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Connie
September 28, 2025
I can’t find a control panel board for this model. Could you assist me in regard to this?
For model number WMH31017FW0
Hello Connie, thank you for getting in touch. According to our research, the control panel you are looking for is part number PS11769253. We hope this 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 li
... Read moreght 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 P
... Read morehillip 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.
