Whirlpool Dryer won't start - buzzing


Dryer Repair

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I've read several posts like this, but I'm just not sure that my problem is the motor. Initially the dryer

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Old 01-14-2012, 12:52 PM
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Exclamation Whirlpool Dryer won't start - buzzing
Model Number: LGT6634AW0   Brand: Whirlpool   Age: More than 10 years   

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I've read several posts like this, but I'm just not sure that my problem is the motor.

Initially the dryer wouldn't start, would make the buzzing noise, but would get going if I gave the tumbler a "push".

Then it got to where it would run about 5 or 10 minutes and then stop.

The last time I ran it, I noticed that the "buzzing" sound that it makes when you start the dryer seemed to continue even after the dryer was running. It seems like the startup capacitor continues to remain activated even after the dryer was running.

Now I'm at the point to where it won't start at all, not even with a push.

I've taken the dryer apart and cleaned tons of lint out of everywhere. I even vacuumed out the motor and then cleaned it out with compressed air from an air compressor. I've made sure that the area where the centrifugal switches are is clean as well. But it hasn't made the situation any better.

The thing is... the motor spins freely. There's no resistance to it at all. The tumbler of the dryer seems to turn just fine as well.

Should I do a continuity test on the motor to see if there is any resistance in it?

I also notice that there's some sort of switch block mounted on the motor itself. Could that possibly be defective?

Like I said, the motor and the fan spin freely and easily. That's why I'm confused.


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  #2 (permalink)  
Old 01-14-2012, 01:05 PM
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The switch on the motor has "Switch 3388235" printed on it. In looking this up on the web, apparently this is a "centrifugal motor switch". It's kinda pricy, but I'm wondering if this might be the problem?

It appears that when you buy a replacement motor the switch comes installed on it, and oddly enough, the replacement motor is cheaper than the switch.

Any recommendation on how I should proceed with testing from this point?

Last edited by David Mitchell : 01-14-2012 at 01:08 PM.
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