Question about Whirlpool GH7208XR Convection / Microwave Oven

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Whirlpool Microwave Model #3183566 Heat/Turntable Problem

Model 3183566 is a built-in microwave (although separate from the oven behind a mounting/framing kit. It was installed in 1994 when the house was built (I believe).

Problem: In the middle of cooking, I stopped the microwave to check on food status by just opening the door (as I have always done). I shut the door and pressed start to continue. There was a click and no engagement. Light/keypad/timer still works. Heat/turn table/fan will not come on. I took the framing kit off and the keypad to get to the fuse. There doesn't appear to be anything blown on the keypad circuit board and the fuse is fine (light wouldn't come on if it was out anyway).

Ideas?

If I took it somewhere for service, where would you recommend?

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6 Suggested Answers

MicrowaveSvc
  • 8820 Answers

SOURCE: No heat

The most likely causes are defective a door switch (or switch mount), a bad connection in the high voltage section, or on the controller. I would direct you to my safety text file and door switch text file for critical safety info anf info on testing & replacing door switches. You can find it via searching on Yahoo.com (not Google) for: microwave safety.txt After you check that out, please repost so we can hel you further.

Posted on Nov 28, 2006

MicrowaveSvc
  • 8820 Answers

SOURCE: After changing a blown oven light, the clock works but nothing else turns on, including the fan, light, microwave

This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.

This can often also affect the exhaust fan operation, too. The lights and fan can be inoperable or stuck on too.

Details of our service and critical safety information and disassembly information is at our site, linked here on Fixya:
http://tinyurl.com/yzjozk

Posted on Nov 28, 2007

  • 958 Answers

SOURCE: I have a Whirlpool AMW545

the controller for the turntable is shorted out or welded its contact if its a relay. the door has safety switches that turns off the electrical connection to the turntable and magnetron once you open the door. you can trace the switch that runs the turntable. start from the power supply, goes to the door switch then to the controller before it goes to the turntable motor. i'm sure it has an electrical diagram at the inner wall of the cover.
i hope i was able to help.

Posted on Jun 27, 2008

MicrowaveSvc
  • 8820 Answers

SOURCE: The turntable on my microwave/convection

You can see and hear a video of how a turntable motor should sound when you rotate it by hand.

If yours won't rotate or it sounds like it's grinding, etc., you may have a bad motor or plastic coupler.

To replace either, you need to unplug power, then remove the bottom cover of the oven. You may have to cut the cover off with snips, then use a screw when reassembling it.

We have the full service manual for this oven, and have uploaded it to our site here.

The best place to order Sharp parts is Tritronics.

We're happy to help and we appreciate your thoughtful rating of our answer.

Posted on Jul 13, 2008

MicrowaveSvc
  • 8820 Answers

SOURCE: Whirlpool microwave MH1170xsy0 1000 watts

With the symptoms you mention, I would suspect:

- loose or corroded connection at the magnetron
- bad magnetron
- shorted high voltage diode

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.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
http://www.gallawa.com/microtech/mag_test.html
http://www.gallawa.com/microtech/xformer.html

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

Posted on Aug 21, 2008

MicrowaveSvc
  • 8820 Answers

SOURCE: Humming noise in cook mode.

With the symptoms you have, I would most strongly suspect a shorted high voltage rectifier diode or a bad magnetron, or a loose and possibly corroded connection on the magnetron's terminal.

The diode is a fairly cheap fix, and the mag will cost more.

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

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

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 don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

You can usually find helpful exploded view diagrams and order parts by entering your full model number here.

Here are some links you or someone you know can use for test help, but read their safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it's not shorted or burned, it's probably okay)


http://www.gallawa.com/microtech/mag_test.html

http://www.gallawa.com/microtech/xformer.html

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

Posted on Jan 03, 2009

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