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Thread: heat pump buzzing

  1. #1
    DIY Member gfe76's Avatar
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    Default heat pump buzzing

    Tried to search this, but no luck. Atlanta area, central Hvac, heat pumps oustide, air handlers in basement and attic. Yesterday temps around 75 and heat pump condenser "buzzing" but fan not moving. thoughts? thanks

  2. #2
    Retired Defense Industry Engineer jadnashua's Avatar
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    Main contactor? If the compressor was trying to run and was stalled, it would likely either overheat or overload and pop the breaker. If the fan is shot, it, too would likely overheat. It might not draw enough to pop the breaker, but it would sure start to smell nasty. Once you smell burned electrical wiring, you don't forget the smell.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

  3. #3
    DIY Member gfe76's Avatar
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    no breaker tripped. It seems to be running fine...it just "buzzes" every so often...do you think it is about to fail? thanks

  4. #4
    Retired Defense Industry Engineer jadnashua's Avatar
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    It could be as simple as something loose and is a sympathetic vibration, or something more serious. Hard to say without being there.
    Jim DeBruycker
    Important note - I'm not a pro
    Retired Defense Industry Engineer; Schluter 2.5-day Workshop Completed 2013, 2014

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