Fan won't stop running even if thermostat is set to off or disconnected
SOURCE: goodman model aruf486016 no heat fan runs
What fan is running, the draft inducer or the circulating blower
SOURCE: goodman model 135-5 furnace fan and induce motor
Is there a thermal Fan/Limit switch in this furnace? If so you may need to tweak the low range setting so it can turn off the blower.
SOURCE: Fan does not turn off even after disconnecting
Are you referring to the fan on the external mechanism, or the internal air handling fan?
The external fan is not controlled by the internal thermostat. it is controlled by the thermos-witch of the compressor. The external fan may or may not run when the motor is operating. it depend totally on the temperature of teh compressor, and not the internal thermostat.
It the internal air handling fan is running continuously,it may be a a problem with the fan setting. check if the fan is set to 'ON' instead of 'AUTO', and correct it.
Incidentally the fan operation I described, is for modern, energy efficient heat systems. This is a energy saving design incorporated in all heating systems including automobile radiator fans.
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