Question about Goodman GMS90703BXA Heater

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Goodman Furnace Hi, I have a Goodman Furnace which was installed new in 2005 and now, I notice the burners (6) keeps on cycle on and off while it is running (the flame could not stay on steady or light-off). I discovered that the exhaust blower has some condensate collected the blower chamber so I had to take the blower out and empty the condensate and I also check the two drainage lines to make sure there is no blockage(one drain line connected to the exhaust PVC line and the other drain line is connected to the bottom pan). After empty the condensate (about 4 ounces) from the exhaust blower, and putting the blower back, the furnace then works fine. Do you have any suggestion as to why condensate is collected in the exhaust blower and could it be any other problem(s) that I should look in to? Any advice or suggestion will be appreciated. Thanks. Tom. Please email to DEMIPHAM@YAHOO.COM. Thanks, Tom

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  • Dal440 May 12, 2008

    My Goodman furnace will cycle on and all burners will fire up. The blower functions, but the burners only stay lit for about 15 seconds. There is no obstruction to the blower. Any idea what is causing the unit to shut down the burners?

  • bdgrbb Oct 27, 2008

    I HAVE A UNIT THAT WAS INSTALLED IN 2003. LAST DECEMBER 2007 THE FLAMES WOULD TURN ON AND TURN OFF BUT WOULD NEVER STAY ON. I CALLED THE COMANY THAT INSTALLED AND TURNED OUT THAT THE UNIT WAS RUSTED AND DAMAGED THE THERMOSTAT ACCORDING TO THE TECHNICIAN. THE PIPE THAT COMES OUT OF THE UNIT IN FRONT HAD A LOT OF CONDENSATION THAT I REPORTED A YEAR LATER AND THEY CAME OUT AND WRAPPED SOME INSULATION AROUND IT. I SUPPOSE THAT IS WHAT DAMAGED THE THERMOSTAT. NOW MY UNIT LEAKS WATER UNDERNEATH AND I CALLED A DIFFERENT COMPANY TO COME OUT AND THEY SAID THE UNIT WAS INSTALLED INCORRECTLY. THE UNIT SHOULD HAVE HAD SOME TILT TO THE FRONT TO ALLOW THE WATER TO DRAIN PROPERLY. AS A RESULT THE IT WAS CLOGGED.

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Inspect the venting system for sags or blockages. The added restriction could be adding to your issue.

Posted on Mar 31, 2008

  • Chandler Ede
    Chandler Ede May 16, 2008

    Also clean out the condensate lines that go to the drain from the blower. there should be no water in the blower.

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