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SE985S Panasonic genius plus microwave keeps blowing 20a fuse on average about once a year. Everything works fine for another year after i replace the fuse.

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1answer

Microwave blows fuses

A short likely in the wiring for the light or at the safety switch embedded on the side where the door closes----be careful as a 20 amp fuse takes something major to take out.
(for it to blow)

This might be best left to a qualified service person.
1helpful
1answer
1helpful
1answer

[Identical to earlier posting by stefeckstein]

Check for a circuit breaker on the back. If nothing, pull the plug and remove the case. Look for a blown fuse. If so, look for a shorted high voltage diode in the magnetron power supply or a shorted stirrer bearing located above or beside the cavity area where the microwaves enter. The stirrer is a metal fan-like device with a plastic bearing that often arcs internally. That shorts the microwaves out and blows a fuse. Replace the stirrer.
0helpful
1answer

Kenmore Micro/Oven fuse keeps blowing

Disconnect the connector to the primary winding of the high voltage transformer. Put a new fuse . If the fuse is not blowing the problem may be in the secondary side of the high voltage transformer. Chek the highvoltage diode, capacitor, magnetron respectively. you can also check the primary winding of the low voltage transformer.
0helpful
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Blowing Fuses

never put higher fuse then what is already there can cause a fire microwave are being made more disposable now either use warranty or buy a new one i am lucky if i get one to last a year before it starts acting up cheaper to buy new one then to have it repaired
2helpful
2answers

Keeps blowing fuses

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

Here is a link you or someone you know can use to test it, but please read the safety info:
http://www.gallawa.com/microtech/cap_test.html

You can order Panasonic parts from Tritronics here or by calling 866-779-5835, but if you don't find what you're looking for there, try here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
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1answer

Ge Spacemaker microwave jvm240 wv Micro hood combo.

sounds to me like the magnatron has shorted out. i don't know of a way to test them unless you have some high dollar equipment. a continuity test prob wont tell you anything. what reading did you get on the cap when you tested it?
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Panasonic Microwave

The fuse is usually a 250V 15 or 20 AMP and can be found at any hardware store. As for those screws...those are special tamper proof screws made to keep the average consumer out of dangerous appliances. There's about 4000 volts inside a microwave oven when it is energized. That's why the manufacturers don't want the average Joe tampering with it. You can, however, buy the tool required to get inside the unit for a reasonable price. I think it's less than $30 and I know Craftsman makes it. The line fuse is located on or near the input line filter board. Just follow the input power cord and you will find it. Just keep in mind, that if the fuse is blown, it usually blows for a reason. You may have other problems. Let me know if this helps you.
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