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    ssupplypup's Avatar
    ssupplypup Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Apr 23, 2007, 10:41 PM
    Heat pump will not engage
    Hello all,

    My name is Scott I live in Alabama. About a year ago we had a new heat pump and air handler installed in our house every thing has been great until now when I tried to turn on the air I receive a bunch of different carracters on the digital screen of thermostat and the outside unit does not respond (it is a Payne) what could cause this? It has been working great until now. The air handler is responding to the thermostats commands being if I set the fan to run it comes on if I set the thermostat to cool, heat, or auto nothing?? Pleas help. Thank you in advance.

    Scott
    hvac1000's Avatar
    hvac1000 Posts: 14,540, Reputation: 435
    Heating & Air Conditioning Expert
    		  
    #2

    Apr 24, 2007, 04:16 AM
    Could be many things
    Check to make sure the power is on to both the inside units and you have the correct voltage for both. Use a meter to test.
    If the thermostat has batterys check or replace them.
    You might ave been hit with a powersurge from your utility company.
    Cycle the breakers all the way off then turn back on.

    If none of this works call for service.
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #3

    Apr 24, 2007, 04:17 PM
    Quote Originally Posted by ssupplypup
    Hello all,

    My name is Scott i live in alabama. about a year ago we had a new heat pump and air handler installed in our house every thing has been great untill now when i tried to turn on the air i recieve a bunch of different carracters on the digital screen of thermostat and the outside unit does not respond (it is a Payne) what could cause this? It has been working great untill now. The air handler is responding to the thermostats commands being if i set the fan to run it comes on if i set the thermostat to cool, heat, or auto nothing??? Pleas help. Thank you in advance.

    Scott
    If the screen had a bunch of numbers and letters and then shows E2 you have a low voltage short. (sounds like at the reversing valve)
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