Question about Honeywell Power Humidifier: Furnace Humidifier/ Humidifier
Thanks in advance for any guidance! I have a Trane model# AUD140R960J1, Serial# R152N3X2G. A few days ago the units blower motor went out (four flashes on the board's IFC codes). The gas had been igniting and burning until the board shut off because the motor was not turning on.
So, I removed the motor and got a new one in its place. When I first fired it up it, it cycled through the ignition, burn and blower phases correctly. All seemed great. I went to run some erands, returned a few hours later and the gas was no longer burning and the blower was just blowing cold air through the house? I've tried restarting, killing power and restarting several times and all I get is the blower starts running with no gas flow or igntion attempting to fire. Also, the board gives me the four flashes again? Any suggestions? Thanks again!
Regards, Thane Schaffer
It is possible that you did not set the new blower on the proper speed. Black wire is high. Blue is medium. Red is low. If the fan is operating to slow it can run to hot and trip the high limit control. Make sure the filters are clean. When the old motor went bad, the problem might not have been discovered rite away your high limit control might need to be changed.
Also anytime you work on a furnace you can kick up some dust. Always clean the flame sensor.
Posted on Mar 08, 2009
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