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    eclau's Avatar
    eclau Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Aug 14, 2013, 02:42 PM
    Trane xe80 control board
    I have a Trane xe80 furnace. I hear a small hum from the control board when the furnace is not running. Is this normal? The red light blinks as usual.
    WallyHelps's Avatar
    WallyHelps Posts: 1,018, Reputation: 136
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    #2

    Aug 15, 2013, 05:44 AM
    There are some small relays on the control board which might possibly hum a tiny, tiny bit, but I would lean towards the 24 volt transformer as being the hummer. Unless it is fairly loud (or quite hot), a slight hum for a transformer is normal.

    Hope this helps,
    WallyH
    eclau's Avatar
    eclau Posts: 3, Reputation: 1
    New Member
    		  
    #3

    Aug 15, 2013, 10:12 AM
    OK, thanks
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