If you switch the thermostat control to “on” and nothing happens, then try replacing the batteries in your thermostat or setting the temperature controls to 3-5 degrees above the temperature in the room. While this isn’t ideal in terms of power consumption, it will alleviate your furnace fan problems until a professional can get out to you and complete a full inspection and repair. Most thermostats will have three settings: “on,” “auto,” and “off.” For our purposes, try switching the thermostat setting to “on.” This adjustment will lock the fan into an always-on state. However, sometimes your thermostat will malfunction, get old, or be set incorrectly, and you’ll need to implement a manual override. Most thermostats will be set to “auto” automatically when they come from the factory. If your blower fan has power, then the next step is to check the thermostat on your furnace. Make Sure Your Thermostat Is Set and Working Correctly A surge in electricity may have overloaded your system, and the breaker has popped. If unplugging and plugging your fan back in again doesn’t work, check the fuse box. Sometimes, this process can reset the motor and solve your furnace problems. If your cables are looking fine, try unplugging the fan for a few minutes and then plugging it back in again. Make sure that the power cord hasn’t melted or a fuse hasn’t been blown. Furnace Blower Won’t Turn On? Call a Furnace Repair Serviceįollow these simple troubleshooting steps to get your furnace up and running.
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