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Is this heating pad safe?

Discussion in 'Troubleshooting and Repair' started by MTem, Jul 22, 2016.

  1. MTem

    MTem

    1
    0
    Jul 22, 2016
    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
     
  2. Minder

    Minder

    2,871
    594
    Apr 24, 2015
    Doesn't sound good!
    probably a high resistance point developing.
    M.
     
  3. Sunnysky

    Sunnysky

    465
    115
    Jul 15, 2016
    is there a lump there? perhaps a ceramic sensor temp that is has a piezo response
     
  4. Tha fios agaibh

    Tha fios agaibh

    1,957
    628
    Aug 11, 2014
    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.
     
  5. shrtrnd

    shrtrnd

    3,674
    453
    Jan 15, 2010
    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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