20 Most Recent GE JVM1861SF Microwave Oven Questions & Answers

could be several things. but most likely its the magnetron or the diode.

GE JVM1861SF... | Answered on Jul 16, 2011

I would say you will require a new turntable coupling and a Wave Guide cover plus maybe a magnetron.
Get an estimate first.
Hope that helps.

GE JVM1861SF... | Answered on Feb 25, 2011

On a GE microwave F3 means you have a failed keypad.

We replace these for customers nationwide with our guaranteed $39.95 service.

If you might want to replace it yourself, I have uploaded a handy guide with pictures showing you what's typically involved. It's here.

Please feel free to contact me directly if you need more help.

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

William E. Miller, AS-EET
[email protected]

GE JVM1861SF... | Answered on May 24, 2008

Most microwave ovens contain a heavy transformer that produces a lethally high voltage that is half-wave rectified by a diode, smoothed by a capacitor and drives a magnetron. The transformer also provides a low voltage for the magnetron cathode heater.

There are also lightweight microwaves that use an inverter instead of a transformer...

If everything else is ok and power is being supplied to the transformer then one of the above components has failed but testing them is beyond the scope of the handyman, though with care some ohm meter checks can be carried out in a unit that is disconnected from the supply and if the capacitor isn't fitted with a discharge resistor great care must be taken to ensure it is fully discharged before handling it.

GE Microwave... | Answered on Jan 13, 2020

Probably by replacing it

GE Microwave... | Answered on Nov 30, 2019

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GE Microwave... | Answered on Nov 24, 2019

Remove the control panel, take pictures of the door switch wiring while they are still connected to the door switches, then remove the door switch assembly. Have someone at the appliance store check each switch and repair the ones that are defective.

I purchased a switch for $7, reinstalled the door switch assembly and the microwave is working fine now.

GE Microwave... | Answered on Nov 11, 2019

Perhaps it is the sound of the underside of the oven platter becoming engaged with the drive spigot underneath it. If so it may well be normal for your particular oven.

GE Microwave... | Answered on Oct 18, 2019

Convection needs fan drive to force the air into the oven cavity. The fan may be direct motor drive or belt driven. If the latter the belt may be broken or simply have stretched and come off.
Before removing the cover of the oven in attempt to carry out any maintenance such as replacing the Oven cavity lamp, make sure the oven is disconnected from the power point ! The voltages in a microwave oven ARE LETHAL !

GE Microwave... | Answered on Oct 18, 2019

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