I have two units, both the same kind. The main one when turned on, the fan will not turn off. i see the temps and can adjust them, but I can not get fan off
Chronotherm III the fan will not shurt
Feb 25, 2018
1 Replies
Does it respond to the separate fan switch on the thermostat? There are basically a few possibilities:
Stuck relay or similar failure on the thermostat Stuck relay or similar failure in the furnace If it's an older furnace with a fan temp switch, that could be set wrong or bad Wiring short on the fan wire, but that would have the fan on all the time independent of the thermostat.
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