Maker Pro
Maker Pro

Is this heating pad safe?

MTem

Jul 22, 2016
1
Joined
Jul 22, 2016
Messages
1
Noticed today my electric heating pad is making occasional, light buzzing sounds, from a spot in the pad.
Now I just happened to have it near my ear today, so I'm not sure if this is part of its normal function I just haven't noticed for the last fifteen years, or if it indicates a wiring problem, and there is finally something gone wrong with it.
Any ideas?
Thanks!
M
 

Minder

Apr 24, 2015
3,478
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Apr 24, 2015
Messages
3,478
Doesn't sound good!
probably a high resistance point developing.
M.
 

Sunnysky

Jul 15, 2016
541
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Jul 15, 2016
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541
is there a lump there? perhaps a ceramic sensor temp that is has a piezo response
 

Tha fios agaibh

Aug 11, 2014
2,252
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Aug 11, 2014
Messages
2,252
I agree, probably just a thermostat that makes a slight arcing sound when it cycles on/off.

Probably fine because they are hermetically sealed.
But for peace of mind, I'd replace it due to its age. Plus it's an inexpensive item.
 

shrtrnd

Jan 15, 2010
3,876
Joined
Jan 15, 2010
Messages
3,876
My vote is to replace it.
I've had two of those things start on fire on me, and they weren't 15 years old!
I can't argue with the guys who say there's probably nothing wrong with it, but
I don't imagine your hearing has improved over the last 15 years, and it's not
worth burning your house down to find-out your heating pad has seen better days.
 
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