fan won't work on auto setting on thermostat


Old 10-06-04, 09:26 AM
just me
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fan won't work on auto setting on thermostat

I have a Honeywell thermostat, I think the model # is T874A. It controls both heat and a/c. The fan only works in the on position, in the auto position there is heat but the fan will not run. Is there any adjustments that can be made inside to fix the problem?

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Old 10-06-04, 05:58 PM
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The problem isn't in the thermostat. It would be in the fan control on your furnace. The fan control may be combined with a limit control. You will have to find it and check into that before you can replace the defective part.

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