Question about Goodman GMS90703BXA Heater

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Heating not working

We have a newer goodman gas furnace around 3 1/2 years old.
Suddenly today there was only cool air coming from the vents and no heat. We thought that it could be the thermostat but after checking the wires inside it was okay.
then we took the front panel out of the furnace and found that there was no flame and motor was not running. Also there was some light flashing.
We called a furnace technician and he is saying that the motor needs to be replaced? Could there be some other problem.

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  • weezysp Jan 17, 2009

    My furnace is blowing cool air. The thermostat seems ok. When I took a look at the furnace it appears to repeatedly start up, ignite (I see flames), blow air, and turn off. This happens repeatedly, however cool air flows from the vents. I've replaced the filter and no change. What can I do?

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  • 61 Answers

There could be a number of other potential causes.
1-Ignitor failure
2-vent blockage
3-tripped rollout safety switch
4- tripped limit control
Etc...
Look at the door of the unit for a explaination of the number of flashes of the light. This may get you started in the right direction.

Posted on Jan 10, 2009

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