Question about KitchenAid KCMS1555RSS Stainless Steel Microwave Oven

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Started showing up with just letters on display (reset breaker and it was ok) -- then it would'nt stop cooking when you opened the door and then just stopped working altogether

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  • lorilone Dec 17, 2009

    the entire model number is KCMS1555RSS-2

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  • Master
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HI. If possible, i will need the entire model number. This will allow me to diagnosis, properly.

Thanks.

Possible PCB issue, but i will need the model number, in order, to direct you to the correct replacement board.

Posted on Dec 09, 2009

  • Michael Masters
    Michael Masters Dec 17, 2009

    Thanks for the model number. Ok, these symptoms are the result of a failed control board. The control board controls the functions of the entire unit, with the help of the inverter, and door switch. A strong indicator of control board failure will be a failed stop command(unit continuing to run with the door open).

    The door switch is a fail point, as well. You can visibly isolate the issue, by inspecting the functions of the door switch. Once the door is closed, the door switch should shut off the indoor light, of the microwave. If this isn't happening, the culprit will be the actual door switch. Now, if the interior oven light is shutting down correctly, when the door is shut, this will confirm optimal door switch operations, and the control board should be replaced, asap.

    Part number for the control board will be 8205800







  • Michael Masters
    Michael Masters Dec 17, 2009

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1 Answer

Microwave doesn't start but the interior light goes on when you hit the start button


Hello

Remove the plug from the wall outlet and wait about 10 seconds before re-inserting it. The plug must be firmly inserted to transfer electricity to the appliance.


Open your home's circuit breaker box and reset the breaker if it has tripped and is set to the "Off" position. Simply slide the breaker over to the "On" position to fix a breaker that has tripped.


Plug a different appliance into the same outlet to make sure the outlet you are using is functional. Plug the microwave into a different outlet to see if this yields different results.


Press on the microwave door to ensure it is completely closed. The microwave will not function until the door is fully shut.


Press the "Start" pad on the display panel after setting the time. Failing to press this will result in the microwave not knowing that it should start.


Press the "Stop/Reset" pad on the panel if a program different from the program you want to run has already been entered into the system.


Press the "Clock" pad three times to turn off the demo mode. The demo mode will not allow the appliance to turn on and cook as it should.

Oct 04, 2011 | Microwave Ovens

1 Answer

The light inside goes on but the microwave doesn't


Remove the plug from the wall outlet and wait about 10 seconds before re-inserting it. The plug must be firmly inserted to transfer electricity to the appliance.


Open your home's circuit breaker box and reset the breaker if it has tripped and is set to the "Off" position. Simply slide the breaker over to the "On" position to fix a breaker that has tripped.


Plug a different appliance into the same outlet to make sure the outlet you are using is functional. Plug the microwave into a different outlet to see if this yields different results.


Press on the microwave door to ensure it is completely closed. The microwave will not function until the door is fully shut.


Press the "Start" pad on the display panel after setting the time. Failing to press this will result in the microwave not knowing that it should start.


Press the "Stop/Reset" pad on the panel if a program different from the program you want to run has already been entered into the system.


Press the "Clock" pad three times to turn off the demo mode. The demo mode will not allow the appliance to turn on and cook as it should.

Oct 04, 2011 | Microwave Ovens

2 Answers

My microwave want cook


Hello

and/or circuit breakers, particularly in the case of recent power failure, and reset if necessary.


Unplug the microwave, wait 30 seconds and plug back in to the power supply to reset the microcomputer.


Open and close the microwave door firmly and press "Stop/Reset." Select a new cook time and press "Start."


Ensure a proper cooking temperature and/or time is chosen, as low cooking temperatures or short cooking times may prevent the microwave from heating food appropriately. Press "Power Level" to ensure the microwave is cooking at 100 percent power.


Contact an authorized service technician if the problem is still unresolved.

Oct 04, 2011 | Sanyo Microwave Microwave Oven

1 Answer

GE Spacemaker XL 1800 Microwave. After removing heated food, I closed the door and the microwave sounded like it was powering up again. However, no internal light came on as it does when the unit is...


Be sure to keep this oven unplugged or the door open until it is fixed. If it runs by itself, this is a fire hazard.

First listen carefully for a buzzing sound behind the control panel when the door is shut.

If it's present, chances are you have a failing capacitor on the control panel assembly, which can be repaired for $39.95 in most cases. Details are here.

If that or a louder buzzing is only present when you have the door closed, then the oven is cooking when it's not supposed to, but the cooling fan is not on, and it is overheating and tripping the breaker.

That would be due to a shorted cook relay on the control board. That can also be repaired with our $39.95 service.

The odd characters on the display concern me separately. This could mean you have a noisy or otherwise failing magnetron.

If the display is fine when you're cooking properly with it, then the magnetron is probably okay.

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.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

microwavesvc_37.jpg

Apr 28, 2011 | Microwave Ovens

2 Answers

We have an Amana AMC6138AAS microwave/convection oven. I was cooking popcorn last night and opened the door before the timer stopped. When I opened the door the inside light and the control panel went...


Did you have a power failure? Could be an overheat situation. Try unplugging the unit, wait 30 seconds and plug it in again. This resets the unit as long as there isn't a breaker or fuse blown. If it is a power issue, the display should start flashing. Did you get any error codes?

Dec 20, 2017 | Amana Microwave Ovens

1 Answer

Hi. I pressed the 'quickstart' button on my micromat 900 w microwave and used it for 10 seconds. On pressing the 'door open' button, the display panel is showing '1' rather than the cooking time or the...


The first thing I would suggest is a hard reset. Unplug the unit for a minute or so. Then plug it back in, set the clock and try again.

If that doesn't work, leave it unplugged for maybe an hour. Then let us know if the hard reset does not fix it.

It may be a problem with a door switch or door switch mount.

Sep 28, 2008 | AEG Microwave Ovens

1 Answer

My microwave is not working and the repair in scheduled for April 3rd. This is not acceptable. Please helop me to find how I get in touch with the department that handles scheduling.


My Panasonic 1300 W Microwave will not turn off. When I open the door after cooking it restarts and when I open the door before cooking it starts. I can stop it by pressing stop/reset before opensing the door after cooking has stopped but if I press this befroe opening the door to put a meal in to start cooking it will turn on by itself. What's causing this and is it worth fixing?

Mar 19, 2008 | Microwave Ovens

1 Answer

Only the keyboard is working


Quite often this is due to a bad door switch. Opening the door while cooking (without first hitting the STOP pad) is the primary cause of door switch failure. I have a text file called "doorsw.txt" which helps in diagnosing and repairing door switch problems. You can find the file via a Google search. In some cases, the problem is a bad connection or a bad relay on the control board. That's something we see from time to time, but it's usually a door switch.

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