Question about KitchenAid KHMS155LSS 1000 Watts Microwave Oven
I have had to shut the circuit braker to the Microwave, it repeatedly starts a cooking cycle by itself. It begins by asking for number of pieces, cycles through the options and then starts to cook by itself. It is very dangerous, ANY SOLUTIONS?
You have a shorting
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.
If not, please reply back with your brand and model number so we can help you better.
In many brands there is 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.
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 model number) for more information & help.
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We're happy to help you. Once we have all your information and offer a final solution, we'd appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET
Posted on Jan 09, 2009
First, do not leave this machine plugged in until it is serviced. If this is a KHMS155LSS, there is a very high probability that you have a keypad short. This defect can cause the machine to start on its own at ANYTIME; at night, while you are away, at work etc.
Contact Whirlpool Customer Service and ask for Safety Dept immediately. They will most likely send A&E (Sears) out to fix it. Although they will fix the problem, if the keypad fails again, the underlying self start logic defect is still present. You should be under warranty if it is above model. Please be polite, insistent, but polite. With KitchenAid's pathetic quality in recent years, their customer service reps get more then an earful.
Also, please go to the Consumer Product Safety Commision website at www.cpsc.gov and post a Report Unsafe Products report. This will help get this model recalled before someone loses their home or life.
I almost had a fire this past Monday, Labor DaMicrowave starts by itself - NO JOKE - 2.gif src="/uploads/images/2.gif" alt="2.gif" class="h_mi" />, 9/7/09 when my machine self started at 3 AM with a package of bacon left in it to thaw at room temp for the morning. What a smokey mess.
Chinese made garbage. Shame on Whirlpool. Long live Hobart!, please buy back KitchenAid and bring back the lost quality.
Posted on Sep 09, 2009
Similar problem with my Frigidaire (Electrolux) PLMVZ169GCD from 2008, it would start randomly by itself or if you banged on the bottom of the keypad or pushed up/down on the door handle.
CAUSE: the ribbon from the keypad comes thru a cutout in the metal that it is mounted on to attach to the control board. The cutout has very sharp sides and the ribbon was rubbing on 1 side of it. You couldn't see any damage (very small), but it appears to have cut thru the insulating layer and was starting to short some of the lines to either ground (the mounting plate) or each other.
SOLUTION: I added an insulator (fish paper from an old pinball switch) between the ribbon and the cutout side and then used electrical tape to hold it in. The electric tape itself would probably work. You just have to get the ribbon off of the metal edge of the cutout.
Took about 20 min to figure out the board removal (take pic before removing the wires!), adding the insulator and reinstalling.
Posted on Mar 09, 2018
My Kitchen Aid of 3.4 yrs did this last week. Local independent dealer where i bought the unit replaced entire touch pad - mother board unit. Not 20 minutes later it did it again. Now, repairman just left puzzled. Wants to take it to shop to "look at." I am going to push for an entire new unit.
Posted on Jul 30, 2009
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
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Posted on Jan 02, 2017
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