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    SAMMVM's Avatar
    SAMMVM Posts: 7, Reputation: 1
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    #1

    May 16, 2008, 09:38 AM
    Honeywell RTH110B Thermostat
    I have a GPG13 Single Package Gas-Electric Heating and Cooling Unit (Goodman MFG)
    Do not have a heat pump. It is a year old.
    I replaced a really old Honeywell Thermostat with a RTH110B Digital Thermostat.

    Sometimes my heating/ac will not work properly. The thermostat will have a blinking ICON which according to the manual is a safety feature for the compressor and the cooling icon will flash on the screen until cooling can start again.

    Sometimes the a/c will be working fine and then I will notice the house is getting warmer. The icon is not flashing but the a/c is not working. The fan outside on the unit is spinning as usual when it is turned on. Sometimes no air coming through or it is with such little force you can hardly feel the air and it is not cool. I will turn off the thermostat and wait and wait and finally it will work again. Sometimes the unit will work for a couple of days with no problem at all.

    I have had trouble with the heat not kicking on also. Both in a/c and heat you can hear the thermostat click like it is kicking on ---- but nothing happens.

    The circuit panel has been changed and also the thermostat wiring from the unit to the thermostat was changed. Still having the same problem.

    Could this be a faulty thermostat?:confused:
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    May 16, 2008, 05:22 PM
    It could be the thermostat
    It could be a bad thermostst install. (wiring problem)
    It could be a equipment failure.
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