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    edrosa42's Avatar
    edrosa42 Posts: 3, Reputation: 1
    New Member
    		  
    #1

    Nov 1, 2007, 04:34 AM
    Rheem unit
    Hi can anyone help me I have this rheem unit and now that I turn the heat on the heat pump outside only cames on when I go to the unit and reset the unit by pushing the red buton on the side

    Thank you
    Stubby74's Avatar
    Stubby74 Posts: 34, Reputation: 4
    Junior Member
    		  
    #2

    Nov 1, 2007, 05:51 AM
    Quote Originally Posted by edrosa42
    hi can anyone help me i have this rheem unit and now that i turn the heat on the heat pump outside only cames on when i go to the unit and reset the unit by pushing the red buton on the side

    thank you
    Check your air filter inside and make sure all vents are open. My guess is dirty filter or bad indoor fan motor. Good luck
    T-Top's Avatar
    T-Top Posts: 1,871, Reputation: 100
    Ultra Member
    		  
    #3

    Nov 1, 2007, 07:35 PM
    I agree with Stubby74. If you have lack of air flow across the evaporator coil(dirty filters,dirty evap coil, vents shut off,blower not working)will trip the high pressure switch. I have seen a few txv go bad(at the evap coil) on the newer rheems and service techs will over charge the system with refrigerant thinking it was low but when switched to heat it uses a different metering device and the system trips the high pressure switch.
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