Dryer hums when not running.

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Old 08-21-19, 02:12 PM
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Dryer hums when not running.

I have an old (dial operated) GE dryer that makes a very slight humming noise when not running if plugged in. If I unplug it it will stop. I'm not sure if this has anything to do but it is a US 110V appliance being used abroad that has 220-110 step-down hardwired in between the plug and everything else. I bought it like this, I have no idea how long the transformer has been in there.

My question is: is this a problem? I can't hear it from outside of the laundry room so if this humming isn't damaging the motor, nothing to fix as far as i'm concerned. If it is bad for the machine, how should I go about fixing it?
 
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Old 08-21-19, 03:00 PM
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Are you unplugging the dryer or both transformer and dryer. I know of no reason dryer would hum when not running. Transformer may hum.
 
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Old 08-21-19, 03:39 PM
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the transformer is in the back of the dryer, visible if I take the front off but otherwise not accessible the power cable is connected directly to the transformer. I can't be sure without taking everything apart but it really dose sound like the hum is coming more from the dryer itself. I have quite a few step down transformers around the house including for much larger loads than the dryer and I've never heard humming from a line voltage transformer, only from 12v ones when being dimmed.
 
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Old 08-21-19, 08:56 PM
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the transformer is in the back of the dryer
If the transformer is INside and mounted to the dryer.... that's what you are hearing.
The hum will resonate thru the metal cabinet.
 
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Old 08-22-19, 03:41 AM
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Is this an issue for the motor? If itís not, I can live with the hum.
 
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Old 08-22-19, 03:46 AM
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Hum will not hurt dryer.............
 
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