Combustion air switch stuck
I have a model # DGAA056BDTA coleman furance. the code light is flashing (combustion air switch stuck closed) The furnace will not run. Is it that the switch or could it be the fan combustion air boster motor. This is the first time we tried to start the furnace this season.
Can be bad pressure switch, bad booster motor, pressure switch tubes kinked or clogged, air pipe to booster assembly clogged or damaged.
The most common is the pressure switch.
Thanks,
Robert
The most common is the pressure switch.
Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
Hi,
No, you would need to check the water column pressure at switch to know if motor is working correctly.
Thanks,
Robert
No, you would need to check the water column pressure at switch to know if motor is working correctly.
Thanks,
Robert
Some people are Humbly Grateful, while some are Grumbly Hateful.................... Which one are you ?
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