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Goodman Heat pump

I just purchased a goodman 4 ton 15 seer heatpump... it has been installed and is being a pain. It was not heating properly and we have isolated the problem down to the reversing valve. It stays engerized all the time. My installer is telling me the unit is defective. He substituted a different thermostat- same result. For the short term he just disconnected the wire to the reversing valve and it is working well now.

My question is what other troubleshooting can we do to figure out why the reversing valve stays enegized? Is this a failure in a circuit board somewhere or is it possible that there is a wiring problem or a thermostat programming problem as I suspect?

My installer brought a manual thermostat and the unit still did same- try to run the a/c and the heat strips simutaneously.... He disconnected the wire that energised the reversing valve and it works fine now... So where do I start to confirm that the unit is bad versus a self induced problem?-rob

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  • coldinsc May 23, 2008

    Installed a Goodman GPH1548 Dec 2007. Reversing value would hang up part or all the way after defrost mode. Controll board was de-engizing the reversing value (replaced anyway). Replaced reversing value, problem returned in less than two weeks. Found exspansion value bad, replaced same. Problem returned in two weeks, in addition to the reversing value not switching found one stage of compressor not working. Replaced entire GPH1548, less than two weeks reversing value hanging up in new unit (Heat pump mode plus heat strips supply air was 58 degrees return air was 60 degrees, supply air is 85-97 when reversing value closes completely)



    Air conditioning working great.



    Any ideas that do not include replacing the reversing value or other parts that require the removeing and replaceing the R410?

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GOODMAN HAS A PROBLEM WITH A FAULTY REVERSING VALVE. THEY IMPORT VALVE FROM CHINA AND ITS NOT GOOD QUALITY, THEY ARE IN PROCESS OF CHANGING VENDOR.

Posted on Dec 22, 2009

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AVOID GOODMAN AT ALL COSTS, I have a SSZ14 with a bad reversing valve. Not to mention the shoddy construction of the sheet metal, etc.

Posted on Jan 16, 2010

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Sounds like it's in the thermostat wires. I would change the low voltatge wiring.

Posted on Nov 28, 2007

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