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    frosty101 Posts: 1, Reputation: 1
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    Jul 12, 2012, 08:36 PM
    Can ac unit thermostat malfunction like this?
    I had a honeywell programmable thermostat and for some reason the unit outide stopped working but the one inside was OK. I didn't know what happened but for some reason when I slammed a door it vibrated the area of the wall where the thermostat is located and it started working. Every time I close the door next to the thermostat the wall always kind of vibrates. I opened up the thermostat to find the white wire connection burnt, but the wire was still good cause I switched the thermostat and it worked fine. I'm not buying the same brand thermostat.

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