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Hello there, I have a Goodman GMH951155DXAC furnace that I got in 2007. I have the following problem for the last 4 years: When the thermostat calls for heat the induced draft motor comes on and 30-40 seconds later the igniter heats up (glow) for few seconds, however some time the pressure switch will not close ( I do no hear the click during closing). After the second attempt the furnace will go into lockout and it will start to blow cold air into the house. Often after resetting of the system the furnace will turn on properly, however some time I will have to do it few times. When the induced draft motor starts I can hear water inside the draft inducer, however the drainage tubing from the induced is not clogged. I do not know if it is normal there to be some water? If not, this would mean that there is something not allowing all of the water to drain. Thanks

Posted by yordancherve on

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Mr.Ed

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With furnace OFF ,Disconnect the top of the hose that leads to the
Bottom of Daft inducer Box, Now blow into it water will come out
of the drain hoses "condensation " this will shut the unit down if not drained. There must be a Trap on the side of the Furnace with water in it , to have positive presure to suck out condensation. This will fix problem. some installers forget to install this Trap that comes with Unit.....!!!! A little item
that will shut the whole system DOWN. :o)

Posted on Feb 04, 2013

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Anonymous

  • 96 Answers

SOURCE: Induced draft motor

The inducer motor is what takes the cabonmonoxide out of the house from the unit and should not be bypassed

Posted on Mar 08, 2009

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Anonymous

  • 534 Answers

SOURCE: Furnace blows cold air, ignitor won't glow.

ok this is going to sound funny but it seems as though the polarity is reversed going into your furnance. to correct this proiblem you first need to unplug the unit and where the cord goes into the furnance at that connection disconnect the two wires. Once theses are disconnected switch the wires .All you are doing is reversing the way the electricity flows into the circut board. I would wager that is the problem

Posted on Apr 16, 2009

heatman101

D. Floyd Kolb

  • 43501 Answers

SOURCE: goodman furnace draft inducer motor doesnt start

Hi,

Using a voltage meter check and see if you have 120 volts at the motor... if so then the motor is bad....

If there is no voltage to the motor then the board is bad....

Replace the motor or board as needed...

heatman101

Posted on Nov 13, 2010

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