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Microwave went bang and tripped circuit breaker after metal object was in microwave

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  • Anonymous Mar 13, 2014

    microwave will not come on has not tripped circuit breaker also nothing is wrong with electral outlet

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You probably blew the magnetron tube.

Posted on Jul 09, 2008

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1 Answer

Trip Circuit Breaker


The circuit breakers may both be functioning properly. What might be happening is that both circuits have other current drawing appliances on them. The circuit breakers react to the sum of all of the currents drawn by all of the devices on that circuit. So, if you have a 15 amp microwave and an 8 amp refrigerator on the same circuit, you would overload a 20 amp circuit by 3 amps.

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1 Answer

Keeps tripping circuit breaker


There must be a fairly major issue with your microwave to trip a 20 amp breaker. I would recommend taking it to your local repair shop or replacing it.

Mar 19, 2014 | Oster OGB81101 1.1-Cubic Foot Microwave...

1 Answer

Lg microwave oven trips circuit breaker


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"

Mar 29, 2012 | LG Microwave Ovens

2 Answers

It just has no power. Nothing happened, I just went to use it and it was dead.


The main fuse is blown, "ceramic type" usually caused by a defective door switch.

Apr 14, 2011 | Maytag MMV4205 Microwave Oven

1 Answer

Went to warm up a food item and after 3 seconds the microwave shut off like the circuit breaker tripped. time face went blank, light inside does not light up and stove top lights do not light. circuit...


You have a fuse behind the screen panel. You have screws inside the microwave holding the panel. you have 1-2 at the bottom. You may also have to remove the vent. It has 2-3 screws which will be inside the vent. These can be removed from the front. Once these are removed the panel will pop off and you will see the fuse The fuse can be bought at a radio shack. BE SURE TO UNPLUG THE MICROWAVE! Good Luck

Dec 04, 2010 | GE JVM1631 Microwave Oven

1 Answer

Blowing main breaker


I have a hard time believing that the home's main breaker is tripping instead of the branch circuit breaker that feeds the microwave. I suspect it is really just a difference in terms. You should disconnect it and try using in another outlet - preferably one on a different circuit if possible. If the breaker continues to trip; this appliance should be disconnected and either be discarded, repaired or replaced before using again.

If the microwave works as expected (on a different circuit), it may indicate the original circuit is overloaded. Microwave overs are supposed to be installed on a dedicated circuit. This means only one outlet is on the circuit - no other loads (lights, appliances, etc.) are permitted on this circuit. A microwave typically requires 10 Amps or more when on "high" and will require a significant portion of the power supplied by a 15 or 20 amp circuit breaker. There is little unused to power much of anything else. If other appliances go out when the microwave trips the circuit breaker, you should contact an electrician to have a dedicated outlet installed for the microwave.

I hope this helps!

Sep 23, 2010 | Maytag Microwave Ovens

2 Answers

Microwave / Frigidare PLMV


Chek the high voltage capacitor and the diode . If one of them are short there is a chance for tripping the breaker

May 25, 2009 | Frigidaire PLMV168 Microwave Oven

2 Answers

The past Few days the microwave would trip the breaker. today I went to use it and it worked for 30 seconds when I checked what I was heating and turned it bakc on and it would not work


Microwaves that are either built in, a part of the oven, or over the range are on a dedicated circuit by law. This means nothing else could have tripped that breaker but the microwave.
If it has a problem severe enough to trip a 20 amp breaker several times, it is only getting worse each time you reset the breaker and turn it on.
There is a possible chance of fire. I recommend you turn the circuit breaker off and replace the microwave. Is it a plug in, or over the range type?

May 18, 2009 | Microwave Ovens

1 Answer

Tripping of circuit breaker


Check what other appliances are on your circuit. What goes off when the breaker is tripped. You may need to relocate the microwave to a different circuit. Try to stay away from the refrigerator or AC circuits.

Nov 03, 2007 | GE JVM1440 Microwave Oven

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