Question about Goodman GMS90703BXA Heater
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Not having a make or model number, I can only give you generic information. However if you add more info, others and myself can give you a better diagnosis.
In order for a furnace to start that has an inducer motor, the thermostat must call for heat. Then the circuit board will flash rapidly. There should be power from the board up to the inducer motor. If there is too much resistance, the blower motor or pressure switch(s) will shut down the unit. I would suggest that if you can spin the inducer motor by hand, check for resistance. It may be frozen up or there may be water in the housing not allowing the blower to turn. Check for a plugged water drain at the bottom of the blower housing and make sure it drains. If the inducer blower does not even try to start, you will need to check for voltage from the circuit board. Not knowing for what you have for a model, I am unable to tell you if you should be checking for AC or DC voltage.
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Thank you for your patience.
Oct 18, 2007 | Heaters
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