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I had to move around my dryer to do some work in my laundry room. When I plugged it back in, it wouldn't turn on at all. None of the buttons would even make the lights come on.

I unscrewed the end of the cord from the dryer and checked it with my multimeter. 120v (ish) between each hot and the neutral (3 conductor no ground) and 240v (ish) between the hots, as expected.

When I screw it back on to the dryer and check the voltage on the screws, however, I get 240 between one hot and the neutral as well as between the hots. When I check between the other hot and the neutral, I get 0v.

I can't fathom how this can happen without a hot being shorted to the neutral.. but the breaker isn't popping and nothing is getting hot.

What the heck is going on?

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This doesn't make sense: moving a dryer has no effect on it's wiring connector, or shouldn't. Did you accidentally damage the connector? That's the only thing I can think of that could cause this. – getterdun Jun 24 '14 at 2:34
I've traced it back to the logic board, I think. Once I plug in some wires to the logic board, the voltage gets all funky. Unplug them, I get the expected voltages. Plug it in, and they become what I was seeing before. – xaxxon Jun 24 '14 at 5:30
Turned out the electrical wire had gotten partially cut and only caused a problem when a significant load was applied. – xaxxon Dec 12 '15 at 10:58

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