Question about KitchenAid KBMC140HSS Convection/Microwave Oven

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Kitchen aid microwave kbmc140hss03 no heat convection grill works fine

The microwave oven will turn on. it makes a humming sound and does not heat. although, the convection grill works. what could he problem be?

Posted by Anonymous on

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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  • 177 Answers

SOURCE: Hi!! My Kitchen Aid superba

the micro switch is probably faulty which tells the machine the door is actually closed or open. this would need replacing which means pulling the unit apart.
hope this helps

Posted on Aug 20, 2010

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MicrowaveSvc
  • 9085 Answers

SOURCE: Display panel (right side) on

The first thing I would do is a hard reset (simply unplugging it for a couple of minutes) if that has not been done already.

Then one would need to retrieve the technical sheet (mini-manual) found behind the control panel assembly.

If you don't find your mini-manual, or if you want to look at it before removing the controller, you can download it here. Just enter your model number from the tag on your unit.

If a reset won't fix it, I would bet there is a loose connection where one of the boards connects to another, or some contamination from grease or steam, etc., at one of those connectors.

A lot of time one can unplug then reconnect the connector, and that will clean it. Or one can unplug the connector and clean the contacts with a soft pencil eraser.

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

Posted on Sep 26, 2010

  • 8909 Answers

SOURCE: The power is on to my Kitchen Aid microwave

It sounds like the magnetron may have either failed or is not being supplied with the extremely high voltage required to run it.
Make sure the !!!!capacitor is discharged!!!!! before attempting any sort of repair.
Check the door interlock switches first then the high voltage diode with either an AVO model 8 on high resistance range for short circuit, the capacitor can fail and go short circuit, the feed fuse on the primary of the high voltage transformer and then finally, the magnetron is best checked by substitution.
Hope that helps.

Posted on Jan 03, 2011

  • 2069 Answers

SOURCE: Problem with the KitchenAid 30

well i will give you a link to suggestions that have already been made by other experts on Fixya. click here
otherwise,

A. Unplug oven or disconnect power.

B. Open the back panels and make sure the P6 and P2 connectors are fully

inserted on the appliance manager and on the lower oven user interface board.

- If they are not plugged in, plug in connectors and go to step F.

- If they are plugged in, go to step C.

C. Visually inspect all wires between P6 on the appliance manager and P2 on the

lower user interface.

- Make sure wires are not cut or pinched.

- If the wires appear to be intact, perform a continuity check between

P6-1 of the appliance manager and P2-1 of the user interface board.

Posted on Mar 09, 2011

rohntech
  • 422 Answers

SOURCE: I have kitchen aid microwave modelkcms185jss

Does not heat food means a problem on magnetron tube and fuse blown in high voltage area. Have it replaced and it will heat again.
I hope I answer your problem.

Posted on Mar 31, 2011

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