Question about Microwave Ovens
Upluging it trips breaker
My advice would be to scrap the oven. Smoke is never a good sign, Even if the smoke is coming from a food scrap or cockroach trapped in the turntable motor, opening up a Microwave oven is extremely dangerous. The oven has high power capacitors inside which when charged, will deliver a dangerous and painful electric shock EVEN IF DISCONNECTED FROM THE WALL POWER POINT. These capacitors will hold their charge for days and they can be lethal. The power supply inside a microwave oven is also capable of supplying more then enough power to KILL !!!!
As the oven is tripping the breaker, replace the oven. It really is not worth attempting to repair one of these appliances unless you have extensive professional training and have access to the correct tools and equipment. Don't mess with it, replace it.
Posted on Nov 27, 2014
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Posted on Jan 02, 2017
The magnetron probably has a partial short pulling more current than normal as it runs, the other two items that give trouble is the high voltage diode, "sometimes cracks" to the high voltage capacitor, "usually shorts"
Posted on Mar 30, 2012
Chances are you have a shorted "monitor" interlock switch, or its mount is broken.
See this door switch help file.
You can find links to helpful exploded view diagrams and part ordering help here.
To give you more specific help, we would need the brand name and
full model number of your microwave.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Sep 06, 2012
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