Gas Furnace Blower Motor Keeps Running

At the furnace or air conditioner air handler or blower unit.

Gas furnace blower motor keeps running.

Just contact us and we can get your furnace fan running normally in no time. The fan limit switch may include a switch that manually keeps the fan running. The blower on a furnace will also continue to run if its filter is extremely clogged. Furnace blower still running non stop.

Set your thermostat to a temperature that s lower than the current room temperature. Furnace blower runs all the time 01 control board the control board has relays that regulate the voltage to each component in the furnace. Locate your fan limit switch your fan limit switch is located inside the furnace panel cover usually near the upper right corner. In normal operation your furnace blower fan should come on 1 5 to 3 minutes after your thermostat calls for heat and should turn off several minutes after the heating cycle ends.

Either way you ll need a professional to fix those problems. If you don t know where to find the limit control switch on your furnace or air handler see fan limit switch. When your furnace isn t actually heating though your furnace blower shouldn t be running at all. If the furnace was in the middle of a heating cycle wait 3 to 4 minutes for the blower fan to stop running.

If the relay that controls the blower motor fails while it is closed it will send continuous voltage to the blower motor causing the motor to run continuously. Your blower should run constantly until the heating cycle ends. We discuss this switch right here.