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Washing machine trips circuit breaker

post #1 of 11
Thread Starter 
As if I was not having a bad enough day, I just got home from work and decided to do some laundry. I haven't had a problem with this unit in the three years I have had this house but now it trips the circuit breaker after about 5 mins. Where do I start looking? I am not even sure the washer is causing it. How do I find out? This is also the same circuit for the garage. Thanks for any help.
post #2 of 11
the obvious-has anything been added to the circuit?

next-switch breaker , maybe it's bad .

check wiring connections .
post #3 of 11
Is the machine overloaded?
post #4 of 11
Change the breaker
post #5 of 11
If you do replace the breaker - just make sure you don't change it to a larger one (unless you are certain that the size of the wiring is rated for it) or you will be defeating the safty purpose that breakers are there for. Somethings making it trip - be thankful that it could when it needed to.
post #6 of 11
My guess is that your drive is binding. The machine takes 5 mins or so to fill up, but then when the motor kicks on to agitate, it trips.
Could be the motor, the belt, pulleys, etc.
Pull it out and take the back off and inspect all the drive components anything obvious? , then turn it on and watch. Does it trip when the motor kicks on?
Put the knob in the middle of the spin cycle, and start it - does it trip right away?
post #7 of 11
Slap a current meter on the power line. Current will skyrocket if there's something wrong with the washer. Like someone else suggested, something may be binding in the drive train. Could be that the pump is ready to seize. Maybe crud in the pump. Look at the belt for belt stress. If there's no belt stress suspect the motor. If current to the washer is less than the breaker rating suspect the breaker.
post #8 of 11
Would there be anything wrong with him using a heavy duty extension cord to a recepticle on another circuit as a quick test?
post #9 of 11
Quote:
Originally Posted by lacan4a View Post
Would there be anything wrong with him using a heavy duty extension cord to a recepticle on another circuit as a quick test?



It is hard to find a cord rated for 20AMPS.

The washer should have nothing else on the circuit, if it does, turn whatever it is off.

I suspect something slowing the motor causing it to draw more current. Could be anything the motor is turning. Or, the motor is failing, what will happen next is the motor will get very hot and start smoking. Be glad the breaker is tripping, it is doing it's job.
post #10 of 11
That's what I meant by heavy duty, one of the serious outside extensions, not a household one.
post #11 of 11
I had a bad wire connection at the breaker. The connection would get hot with current. Heat trips the breaker. I tried to tighten it but screw was seized. When I popped the breaker out, the wire slid right out. I would check the current as mentioned and then check the connection.
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