Question about GE JVM1650 1000 Watts Microwave Oven

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Sparking / Popping Microwave

Just moved into a 3 year old house with an already installed microwave. About 2-3 seconds after wall mounted microwave begins heating, the power seems to decrease, overhead lights on the same circuit breaker dim and the there's sparking and popping noises in the microwave. Even the digital display is affected by the sparking with stray digits lighting up in concert with the sparking. The sparking is not as much as there would be with a piece of metal in the microwave, but it nonetheless troubling. Any thoughts?

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Re: Sparking / Popping Microwave

GE had a rash of "underperforming" magnetrons on these units. They replace the magnetron, stirrer and high-voltage diode at no charge for parts as long as a GE-authorized service center does the work. Sometimes the unit gets run too long in a failing state and the waveguide and chassis of the oven get damaged. To see if yours is covered, see this bulletin: Otherwise, you need to contact GE Customer Relations at 1-800-386-1215 as soon as possible and tell them your problem and they will put you in touhc with a local authorized servicer.

Posted on Apr 05, 2007

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In your owner's manual (available free online here) this is called the "microwave inlet cover".

See the tag in your oven cooking cavity or near the door frame for your full model number.

The cover is located in the ceiling of the oven.

You should be able to remove and clean or replace the cover without removing the oven from the wall.

The oven installation instructions and parts list are also on that page.

You can also find handy exploded views and order any needed parts and accessories by model or part number here.

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

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

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Even though this is a pain, I need to suggest that you perform the following:
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1. Place a cardboard box of sufficient height to have the microwave rest on it with no more than about a 4-inch drop. Cover the box with a bath towel.
2. Using a power screwdriver, remove the 2 mounting screws located in the overhead cabinet base. (microwave front will tilt down onto the box)
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4. Once removed, pull some slack on the power cord.
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6. Place a small cup of water in the microwave and press quick start (30 seconds)
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