How To Test Furnace Blower Motor
Then, your furnace blower won't plow on. As far equally furnace failures go, this event has the potential to be solved hands. With any luck, you may be able to pull off a successful repair all on your ain. To assistance you restore the functionality of your arrangement, we have compiled a listing of troubleshooting methods that can exist utilized to gear up your furnace blower.
Troubleshooting Your Furnace Blower
Follow these uncomplicated troubleshooting steps to become your furnace up and running.
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 then plugging it back in over again. Sometimes, this procedure can reset the motor and solve your furnace problems.
If unplugging and plugging your fan back in again doesn't piece of work, check the fuse box. A surge in electricity may accept overloaded your system, and the billow has popped. Check your fuse box for popped breakers. If yous detect one, switch it back on.
Make Certain Your Thermostat Is Ready 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 "motorcar" automatically when they come from the mill. Still, sometimes your thermostat volition malfunction, get sometime, or be set up incorrectly, and you'll need to implement a manual override.
Near thermostats will have 3 settings: "on," "auto," and "off." For our purposes, try switching the thermostat setting to "on." This adjustment will lock the fan into an e'er-on state. While this isn't platonic in terms of ability consumption, information technology will alleviate your furnace fan issues until a professional can go out to you and complete a full inspection and repair. If you lot switch the thermostat command to "on" and aught happens, then try replacing the batteries in your thermostat or setting the temperature controls to three-five degrees above the temperature in the room. If none of these piece of work, then you should call a repair adept ASAP.
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Cheque the Filters and the Vents
Blower motors are designed to broadcast air, and so they won't work if there's no air to movement. You should ever bank check the filters and vents surrounding the blower to make sure that the blower isn't having a hard time working. Look into your air filter's housing and check the markings on your filter. If your furnace blower won't plough on, check to ostend the arrows on the air filter are pointing in the right direction. When the arrows are pointing in the wrong direction, change the orientation of the filter. Next, check the vents around the blower.
Are the vents closed or clogged? Your blower might also be too dirty to work. If your blower looks dusty, spray away the dust with compressed air or wipe information technology away with a rag.
Check Your Furnace Blower's Drive Belt
To figure out if the blower motor chugalug is damaged, turn off the furnace at the circuit breaker console in your habitation. Next, head dorsum to the furnace and inspect the belt that runs the blower. When the fan in a furnace is non working, this is an indicator of a worn downwardly or cracked chugalug that needs to be replaced.
Is Your Blower Motor Humming?
If your blower motor is humming and lights turn on, but nothing is happening, your furnace problems probably stem from a bad capacitor. Blower motors use a lot of power. They're heavy pieces of tech, subsequently all. Then, even if your furnace hooks upwards to a 240-volt outlet, it volition still need a capacitor to store and belch the 400+ volts it needs to run. If your furnace blower motor won't plough on, the source of the issue may be a damaged capacitor. Once a load becomes as well big, a capacitor tin break and negatively impact the performance of your furnace.
Sometimes, that load becomes too much, and your capacitor will fry itself. Y'all'll know that your capacitor is bad when the hum you hear isn't clicking or whining. A bad capacitor will e'er audio more than like a buzz than anything else. Nosotros wouldn't recommend doing this kind of repair yourself because of the high voltages involved.
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Endeavour Resetting The Blower
Resetting a furnace blower motor is simple. Let'southward become over the steps one past one and then that yous tin do them safely and correctly.
- Plow off the power: The best mode to disconnect your furnace from power is to shut off the breaker that information technology connects to.
- Remove the blower cover: You can usually take off your blower encompass by removing several screws around the front.
- Let the blower absurd downwards: Next, the blower will need to absurd down. This volition go whatsoever metal components to a temperature that's safe to touch on.
- Notice the reset push button: The reset button will normally be ruby and located on the backside of the motor. If the reset push has popped, then yous need to push it back in.
- Push the push button in: The reset button connects to a small circuit breaker within your blower that will pop if it gets overloaded. If the red push button has popped, then button it back in.
Now, you should've successfully been able to reset your blower motor. If the red push on the dorsum of the motor hasn't popped, then your motor might be bad.
Signs Information technology's Fourth dimension to Supercede Your Furnace Blower
There are two mutual signs that you have a broken furnace blower motor—overheating and moisture. We'll interruption downward both in more particular below.
Overheating
If your motor'south electrics and bearings are constantly exposed to besides much heat, then they will begin to neglect. If you let your motor overheat repeatedly and fail, then either a component has broken or a begetting has seized.To prevent overheating, check your vents, filters, and in-room airflow.
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Wet Harm
Wet damage tin come from humidity, a leaky ceiling, or an incorrectly installed coil. If water gets into your blower motor, y'all will notice corrosion on the motor casing and command panel. Any water most wires and electric components can cause a brusque and damage. The all-time way to prevent damage to the furnace blower is to place a dehumidifier in your utility room and endeavour to relocate your furnace away from any pipage that could potentially drip condensation.
Furnace Blower Won't Turn On? Call a Furnace Repair Service
A small effect can rapidly plow into something far worse. Are you lot trying to determine why your furnace blower won't turn on? Our technicians have the tools necessary to perform a furnace repair or melody-up service at your habitation in Jacksonville, Florida. In addition, our staff offers other types of HVAC services such as water heater installation, sump pump replacement, air workout repair, and water line installation.
We're equipped with the feel and know-how to perform a furnace repair or melody-up service in your home promptly. If you need a new furnace motor, our team is besides skilled in furnace installations. If your furnace blower doesn't turn on, give our team of technicians a call by phone at (904) 217-5694 to receive support with a malfunctioning system.
Source: https://www.fenwickhomeservices.com/blog/4-reasons-your-furnace-blower-motor-wont-turn-on-ways-to-fix/
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