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LG LRM2060ST trips circuit breaker sometimes

I have an LG LRM2060ST which trips a circuit breaker immediately upon starting about 1 in 4 times it is run. It will do this for small items (coffee cup) or larger ones. It is on a 10A circuit breaker and worked fine in its present position since I bought it 1 year ago until recently. I have moved it to another location with a different breaker and it has the same problem. The microwave's label says it is rated at 14A. Is this a problem with the microwave or was I lucky it worked reliably for a year and the breaker supports too low amperage?

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  • gary kohls Jan 13, 2009

    Yes, thanks. Microwave has 'almost' dedicated circuit - range's hood is also on same circuit. 12g wire is present at breaker though I don't know about entire run which worries me a little. House dates to 1988 and is in Illinois. Will check wire gauge at microwave. Assuming that is also 12g, will replace with 20A breaker and will add a surge protector as suggested. Think 10A breaker was installed when I had house upgraded from 150A to 200A service and larger Square D load center installed about 5 years ago.

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Needs to have circuit of its own rated @ 20 amps powered by # 12-2-wg wire , also very good idea to plug into a good surge protector to protect its control board, as any computer the boards are very susceptible to spike voltage caused by lightning and power problems , as to how it worked before , breakers vary a little in the amount of current it takes to trip them with age , the number of time they have to be reset and heat they have been subjected to over a period of time so it is not unusual for say one 20 amp breaker to trip @ 16 and another @19 for example also the length of wire between the breaker and the appliance can effect the trip range

Posted on Jan 13, 2009

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