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Microwave will run lights control panel all works but will not heat any contents

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  • Microwave Ovens Master
  • 1,585 Answers

Prob diod e or magnatron

Posted on Apr 27, 2015

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: Fan runs when door is closed - no heat

This is normally 1 of the interlock door micro-switches not working.

Posted on Jun 20, 2007

  • 579 Answers

SOURCE: How do I fix a Jenn-Air JMC7000 that does not heat up items?

The noise is coming from the high-voltage transformer being overloaded by something shorting it out. Either the magnatron or the high-voltage capacitor and diode. Replace the capacitor and diode then if still not working, replace the magnatron. Its only affordable if you do it yourself - buy the part on EBAY - lookup "universal magnatron"
Hope ya fix it!

Posted on Jan 06, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: Advantium 120 - Panel is dead, exhaust fan and lights working.

Chances are you have a bad primary interlock (upper door switch) or a loose or damaged door switch mount, which are pretty simple problems to fix.

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 the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

We have the service / repair manual for this model and have uploaded it to our site here to help you.

It will give you safety info, step by step help in disassembly, troubleshooting tips, and part numbers.

Most computers will open this document automatically, but you may need the free Adobe Reader

You can also 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.

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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.

Posted on Jun 08, 2009

  • 178 Answers

SOURCE: GE Microwave JE2160 does not heat

Does it make any noises that it didn't before it failed?? It could be a bad secondary interlock switch, cook relay on the PCB, HV circuit problem or bad magnetron. You need an ohm meter to troubleshoot. If you take the cover off, you MUST short across the High Voltage Capacitor terminals to discharge any possible residual charge to prevent shock hazard.

Posted on Sep 11, 2009

MicrowaveSvc
  • 9047 Answers

SOURCE: LG lmvm2075st microwave control panel problems.

"On each panel the board surrounding the same diode is burned"?

Maybe that's a three-tap power relay, not a diode?

I'd be very interested in this and I have the service manual here which you can download.

Feel free to contact me directly (and please include your full model number from the tag in or on the unit) for a free estimate and free tips & do-it-yourself advice.

Also, if you can send me a photo of the burned area, that would be helpful.

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

William E. Miller
prototech@usa.net
http://www.microwavedisplay.com

Posted on Jan 31, 2010

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You need to replace the whole door latch with an original part.

If it is working but not heating, then test the high voltage capacitor,the rectifier diode.or the magnetron. If all this are fine, test the control board.If turntable is not running check also the door switch.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts.

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Fan runs when door is closed - no heat


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