Thousands of highly rated, verified Local Experts ready to help with your repair. Verified Local Experts Online now. Save Time & Money. Get Answers in Minutes.
A+ Rating - Better Business Bureau
Search results
- It’s a Thermostat Setting Issue. Most thermostat issues originate at the thermostat, and blower motor issues aren’t different. If your blower isn’t turning, you most likely have a faulty thermostat.
- The Thermostat is Faulty. Still, on the thermostat, you may also want to diagnose it for internal damage. If the thermostat is broken, the furnace may not work.
- The Fan isn’t Getting Power. Hopefully, you’ve confirmed that the rest of the furnace has power. You’ll know you have power if the burners light up when you turn on the furnace.
- The Blower Motor Capacitor is Defective. We’ve mentioned that the blower motor gets starting power from a special capacitor. These capacitors are fairly powerful, typically ranging from 200V to 450V.
- Check The Circuit Breaker
- Check The Blower Motor Overload
- Check The Blower Motor Capacitor
- Check The Fan Belt
The next thing that you should do if your furnace’s blower isn’t turning on is to check the circuit breaker. The furnace’s circuit breaker is a safety device that protects your equipment and wiring from excessive electrical currents. If your furnace’s circuit breaker trips, go ahead and reset it and see if it runs again. Keep an eye on your furnace...
The motor overload is a device that protects the motor from burning out. For example, if the blower motor gets stuck, it will start heating up and the motor overload will trip. When the motor overload trips, power is disconnected from the motor. This helps prevent the motor from burning out or starting a fire. Most blower motors have a motor overlo...
If you have a PSC (permanent split capacitor) motor, then you should check its capacitor. The capacitor is needed for the blower motor to start up. Without a capacitor, a PSC blower motor won’t turn on. The capacitor also helps smooth out the rotation of the blower motor once it’s started up. How do you know if you have a PSC blower motor? The easi...
Some furnaces (especially older ones) have belt-driven blowers. If the fan belt snaps, your blower motor will spin, but the fan won’t. So what causes a fan belt to snap? It’s all due to wear and tear. Even properly installed fan belts eventually wear out, so they are replaceable. But if your fan belt prematurely wears out, then it’s most likely out...
- Inspect the Wires in Your Furnace. Make sure that the power cord hasn’t melted or a fuse hasn’t been blown. If your cables are looking fine, try unplugging the fan for a few minutes and then plugging it back in again.
- Make Sure Your Thermostat Is Set and Working Correctly. If your blower fan has power, then the next step is to check the thermostat on your furnace. Most thermostats will be set to “auto” automatically when they come from the factory.
- Check the Filters and the Vents. Blower motors are designed to circulate air, so they won’t work if there’s no air to move. You should always check the filters and vents surrounding the blower to make sure that the blower isn’t having a hard time working.
- Check Your Furnace Blower’s Drive Belt. To figure out if the blower motor belt is damaged, turn off the furnace at the circuit breaker panel in your home.
Nov 24, 2022 · My furnace's exact model is MMHB-077ABHR-06,Controller is UT-1018. I have a nordyne 7076700 gas furnace for a mobile home, and the blower never starts up when heater starts up. Steps: gas is on, furnace power on, thermostat is on. ON/OFF/FAN Switch is set to ON; i hear transformer hum; i hear and see combustion motor work; maybe 10-20 seconds pass
First, turn off the power to the furnace at both the thermostat and the breaker. Then, carefully remove the access panel to gain access to the blower motor. Use the multimeter to check for voltage by placing one probe on each terminal of the motor. Test for continuity across different terminals within the motor.
Jul 27, 2022 · This article covers the 10 most common reasons the blower fan does not turn on! A blower motor may be installed in a forced air gas or oil furnace, air handler, or packaged unit. There are multiple reasons why the motor won't start and these are based on the type of unit, controls, and the blower motor type.Problem # 1: Capacitor When an HVAC unit is equipped with a PSC (Permanent Split ...
People also ask
Why is my furnace blower motor not turning on?
Can a faulty thermostat cause a furnace blower to not work?
Why is my furnace not working?
How do you check a furnace blower motor?
Why does the blower motor turn on?
Why does my furnace keep turning on and off?
Jan 11, 2024 · Verify Thermostat Settings: Confirm that your thermostat is set to the desired temperature and heating mode. Sometimes, a simple adjustment can kickstart your furnace blower motor back into action. 5. Inspect Wiring and Connections: Turn off the power to your furnace and carefully inspect the wiring and connections.
