Question about KitchenAid KHMS2050SSS Microwave Oven
This has got to be an intermittent power to the control PCB problem. The control board asking to set the clock means that the CPU has been reset by losing power. First, make sure that the problem is not the outlet by plugging in a small lamp or digital clock to see if it works intermittently or resets. Leave it plugged in for at least 24 hours.
(If using a lamp, put in a small 20 watt light bulb or CFL).
It could also be a bad connection to or at the fuse holder in the microwave oven. If all of the wiring and connections look good, it's most likely a bad connection on the control PCB probably around the transformer on the board. Be careful.......
Posted on Oct 28, 2013
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Posted on Jan 02, 2017
Exactly! There is a wire mesh gasket sealing the mag where it goes into the waveguide mounting hole. If that seal is not tight, microwaves escape, causing bizarre electrical interference. Sorry I didn't see before the bogus answer above got posted - I've been tied up and away from the PC.
Posted on Apr 10, 2007
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
I'd say you have a contaminated or failing keypad or possibly residue on the boar dor where the keypad connects to the board.
Is it possible that some spray cleaner got into the controls?
I always recommend that users instead spray cleaner on a soft cloth then wipe the control panel.
Also, I always recommend non-ammonia cleaners since ammonia can crack and damage plastic.
Otherwise, the spray can get into the controls and lock it up or make it act odd.
If it does not dry out over time, it may need to be manually dried or blown out.
The keypad may be damaged or worn out, or control unit may be damaged.
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Nov 26, 2007
F2 on a newer Whirlpool / Kitchenaid microwaves means you have a shorted keypad.
If and when an oven is coming on or doing anything by itself, this is very dangerous and can result in a fire.
So until it is repaired, please leave it unplugged or leave the door open when it's not in use, and please do not leave it running unattended.
If you (or someone you know) might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved.
You can usually find helpful exploded view diagrams and order parts by entering your full model number here.
There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.
If you would like to have us do this repair for you, we do that for $39.95 plus part costs.
But please note that for some models, the membrane keypad is not available as a separate part, so you would have to order the control panel frame which comes with a new keypad.
In this case, you simply move your circuit board into the new frame.
At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.
Feel free to contact me directly (and please remind me of your full model number from the tag on the unit) for more information & help.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET
Posted on Feb 08, 2009
SOURCE: Microwave stopped working...
Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.
The cost of the magnetron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing.
There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.
Posted on Apr 26, 2009
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