Tip & How-To about Heating & Cooling
On some natural or LP gas furnaces, the blower motor has to come on 1st
and then shuts off. This process starts the inital call for heat. If you find
yourself without heat and the blower does not run, turn the furnace to on
at the thermostat.
When changing the fan to on, you are changing the speed, if the heat comes on, that means you have a burnt out speed on your blower motor.
If nothing happens, change the fan speed at the control board.
In some instances they may be using the same blower speed in both the
heat and cool mode.
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