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GE JE1860WH 04 microwave runs but want heat and it hums loudly.

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A loud buzz, hum, or groan is usually a shorted high voltage rectifier diode, but a sound like gurgling into an empty coffee mug is one symptom of a failed magnetron, and yet the mag can be bad without that sound.

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.

Here are some links you or someone you know can use (in order given) for test help, but read the safety warnings first:

http://www.gallawa.com/microtech/diode.html
(if it is NOT shorted or burned looking, it's probably fine)


http://www.gallawa.com/microtech/mag_test.html
(continuity can be good even though mag is bad!)


You can find helpful exploded view diagrams and order parts by entering your full model number from the tag on the oven 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.

GE JE1860WH 04 microwave runs but want heat and it - dee77f7.jpg

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

Posted on Jan 02, 2011

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I hope the parts source will help with your current microwave problem.

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Runs but has loud humming sound. Does not heat. Turntable, timer and lights work.


The diode that connects to the capacitor needs to be replaced. Once its replaced microwave will begin to heat again. (If it wasn't heating and wasn't making a humming noise, then your magnetron would need to be replaced). If you are thinking of doing it yourself and need instructions, i'll be glad to help.

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No heat in microwave. Makes loud humming sound when turn on. Model GE Spacemaker JVM166OWBC 04


The humming can be caused by a couple of bad parts. Usually it's the magnetron tube, the microwave source. They often fail by shorting out, and the loud hum from the power supply is what you hear. Another part called the HV diode may also have shorted, but the magnetron is more common.

A bad magnetron can be replaced, but it's a costly part. And microwave service should be left to a professional, because there are dangerous voltages under the cover and a chance of microwave leakage if repairs aren't done correctly. Between the part and labor costs, it might be more economical to replace the oven. Let a qualified servicer give you a repair estimate and then decide.

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Runs normally, but makes loud hum. not heating. in defrost mode, loud hum, then normal sounds, then loud hum, then normal...


Hi,


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

Basic Microwave Oven Troubleshooting Tips

heatman101

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You may need a new microwave..however, the diode may be defective or the magnatron tube may need replacing,,The magnatron tube is only warranted for 5 years so it may be used up as the model is (10years)fairly old.

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GE JVM1850CH06 microwave no heat with loud humming sound


With the details you described, the high voltage diode might be shorted( usually HVR 1X). It is connected from the Capacitor and the chassis, or else the capacitor is the one at fault,but not common .

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GE Microwave making loud humming noise


humming sound is your magneto going out Dont have any idea of the cost for replacement however it may be cheaper to purchase another microwave than to repair this one. Good Luck

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You either have a bad magnetron tube (5 or 10 year parts warranty item through GE Factory Service 1-800-432-2737 or www.geappliances.com) or a shorted high voltage rectifier. I think the light being out is a secondary problem.

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3 Answers

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Word has it that many of these models have a defect which causes the microwave energy to be reflected back to the magnetron, causing damage to the magnetron, and eventually damaging the high-voltage diode too. Also, the fuse or the magnetron theral cutout / thermostat can eventually blow, too. There is a replacement magnetron and stirrer kit available. I would definitely call the GE Answer Center at 800-626-2005 about this. It's not considered a recall, but a "campaign". They may pick up part of the cost. It's not cheap.

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