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Anonymous Posted on May 20, 2013

Microwave turn table not working and not heating.

The fan, light, clock, minutes, countdown all work but no noise like a motor not running.

1 Answer

William Miller

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  • Microwave Ovens Master 9,179 Answers
  • Posted on May 23, 2013
William Miller
Microwave Ovens Master
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We would really need the full model number from the tag on or in the oven.
Please post a new help request with that plus a recap of your exact symptoms.

5 Related Answers

MicrowaveSvc

William Miller

  • 9179 Answers
  • Posted on Jan 12, 2009

SOURCE: display panel works but no heat, no fan, turn table doesn't turn

This is usually caused by either a bad door switch or a loose door switch mount, which are pretty simple problems to fix.

Even though a door switch clicks, it may still be bad inside.

Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa:.

You can 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.

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.

If you only need a switch, you can order a universal type here for $5 postpaid.

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases in about a week or so.

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

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bestdarngood

Benjamin Patri

  • 3037 Answers
  • Posted on Apr 26, 2009

SOURCE: Microve turns on, but will not heat Model number is FMT148G1B2

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.


Benjamin

bestdarngood

Benjamin Patri

  • 3037 Answers
  • Posted on May 26, 2009

SOURCE: My microwave does not heat anything. The touchpad, exahustfan, light works. The motor turns on and turn-table works for the number of mins specified but does not warm up the stuff. Please help!

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.


Benjamin

Anonymous

  • 175 Answers
  • Posted on Jun 15, 2009

SOURCE: My KCMS185JSS-5 microwave has no heat. It seems to

hi..Your micro hood is "shot".so it is not working properly.
The food may not be heating,but the electrical and the walls
of the unit might heat.This may cause sparking and melting
of the interior of the unit.
check it out..
thank u..
kindly rate my response..

Anonymous

  • 2 Answers
  • Posted on Nov 29, 2009

SOURCE: Our microwave suddenly stopped heating. The

sounds like the magnatron went out

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1answer

Microwave light and clock work but no heat

Could be one of the three door switches. If the fan turns on when cooking and no heat then the magnetron is bad. Most problems are the switches
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Our Viking VMOS200 just stopped working. The lights and the countdown timer work, but no fan noise and no turntable spin.

it has nothing to do with the magnetron. first you have to fix step one. then you will know if the magnetron is bad. its one or two of the primary switches on the bottom of the switch tower. usually with these mw if you dont press cancel to stop the mw, and you just push the latch to stop it, those wires heat up and cause the microswitches to burn and loose proper contacts.

put a cup of water in the mw. set it to one minute and as its counting down. push on the latch LIGHTLY, as to not fully open the door and you will hear the magnetron kick on and the turn table start to rotate
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it sounds like it one of your micro-switches inside that control the power to the doors, if one of the switches is bad, it would cut the power , the panenl will light, the turn table will work, the fan will turn on , but you will not get any heat at all, micro-switches run depending onthe unit from 5-10 bucks, when you open the unit you will see the one that is bad, is usually bent or the connector might be burn or melt, good luck..!
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don;t worry;
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MICROWAVE NOT WORKING PROPERLY

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.

Let us know if the hard reset does not fix it.

Otherwise, it sounds like a bad door switch or door switch mount.
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sounds like either a powerboard or control board is sending erratic voltage or no voltage to the table motor and possibly the light.
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This is not safe. If the fan is not running, the magnetron will quickly overheat and be destroyed. We answered this in more depth in the other place you asked it.
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