Question about GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

All functions work except no heat

Sencer microwave oven model wes1450mibb serial 929876u

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  • azsprmkr Mar 13, 2008

    ever thing works lights, timer, turntable, clock, but will not cook

  • knappy328 Mar 16, 2008

    same problem - all is working but it will not heat

  • jaybouldin Jun 30, 2008

    GE WES1450 Microwave Oven, purchased 06/30/08. Everything works but no heat!!

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1 Answer

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  • GE Master
  • 8,862 Answers

In this case I would most suspect the magnetron (or a bad connection at the magnetron) or a problem on the control panel.

But generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose connection on the control unit circuit board
- bad magnetron or other high voltage part (such as a shorted diode)

If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383

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

Posted on Mar 16, 2008

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Related Questions:

Tip

Error Code "d" - Microwave does not heat


The microwave could be in "Demo Mode" - Check your owners manual.

In Whirlpool/Kenmore models this is indicated by a lower case "d" on the right side of the display panel.

Most/All function except the magnatron (heat) work in demo mode so you can can learn to use the oven without actually cooking food

To clear "demo mode" press the "kitchen timer" pad and hold for 5 seconds until the "d" clears from the display... you may hear 2 beeps.

on Jun 16, 2009 | Kenmore 60654 Microwave Oven

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Or the microwave could be in "Demo Mode" - Check your owners manual. In...


If the microwave operates normally, but does not heath at all, then it can be the high voltage capacitor, the rectifier diode.or the magnetron.

The diode and capacitors can br tested. The capacitor must be allowed discharge before testing, or you risk to get electrocuted, even if power is off. Capacitors can get discharged by shorting their two contacts.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.

All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

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, your model number did not return any result, contact the seller here to purchase parts. (here in UK).

on Jun 16, 2009 | General Electric Microwave Oven

1 Answer

Microwave works except not heating food


Hi,
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Microwave Oven Basic Troubleshooting Tips

heatman101

djh

May 08, 2010 | Bosch HMV9305 Microwave Oven

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Everything works except it won't heat anything. can you tell me what is wrong. it is a sharp microwave, model # r-306 lk, serial # 85407. thank you.


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Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

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Apr 21, 2010 | Maytag MMC5000 Microwave Oven

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Over Stove Microwave, all works except doesn't heat


Hello. The problem you are having with your microwave is due to either a shorted rectifier or a shorted magnetron.
Regards, Joe

Dec 23, 2009 | Microwave Ovens

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No heat coming from Microwave oven-GE Spacemaker Model XL 1800


in the microwave there is a part which produses the heat which will be called as magnetron you check that part.

Aug 07, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

2 Answers

Everything works except heat


Sounds like you've had a failure in the microwave portion of the unit.

Microwave not heating problems when the timer/controller board appears to function properly, are related to the following components -

1) Diode
2) Capacitor
3) Transformer
4) Magnetron

Jan 24, 2009 | GE JE1540 Microwave Oven

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Microwave functions but will not heat


CHECK THE HIGH VOLTAGE FUSE AND THE MAGNATRON IN THE UNIT !!!!!!!!!!!!!!! DISCHARGE THE HIGH VOLTAGE CAPACITOR OTHER WISE THE VOLTAGE STORED IN IT WILL KILL YOU!!!!!!!!!!

Nov 20, 2008 | Maytag MMV1153A Microwave Oven

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