what causes a furnace fan motor to stop in a place it wont start
And then, your furnace blower won't plough on. As far as furnace failures go, this effect has the potential to be solved easily. With any luck, you may exist able to pull off a successful repair all on your own. To assist y'all restore the functionality of your system, nosotros accept compiled a list of troubleshooting methods that can be utilized to fix your furnace blower.
Troubleshooting Your Furnace Blower
Follow these elementary troubleshooting steps to go your furnace up and running.
Audit the Wires in Your Furnace
Make sure that the ability cord hasn't melted or a fuse hasn't been diddled. If your cables are looking fine, endeavour unplugging the fan for a few minutes and then plugging it back in again. Sometimes, this process can reset the motor and solve your furnace bug.
If unplugging and plugging your fan dorsum in once more doesn't work, check the fuse box. A surge in electricity may have overloaded your organization, and the billow has popped. Cheque your fuse box for popped breakers. If you find one, switch information technology dorsum on.
Make Sure Your Thermostat Is Ready and Working Correctly
If your blower fan has power, and then the side by side pace is to check the thermostat on your furnace. Most thermostats will exist prepare to "machine" automatically when they come from the factory. Even so, sometimes your thermostat volition malfunction, go former, or be set incorrectly, and you'll need to implement a manual override.
Most thermostats volition take three settings: "on," "motorcar," and "off." For our purposes, try switching the thermostat setting to "on." This aligning will lock the fan into an e'er-on country. While this isn't ideal in terms of power consumption, information technology will alleviate your furnace fan problems until a professional can get out to y'all and complete a full inspection and repair. If you switch the thermostat control to "on" and null happens, then try replacing the batteries in your thermostat or setting the temperature controls to 3-5 degrees in a higher place the temperature in the room. If none of these work, then y'all should call a repair expert ASAP.
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Bank check the Filters and the Vents
Blower motors are designed to circulate air, so they won't piece of work if in that location's no air to move. You should ever cheque the filters and vents surrounding the blower to make sure that the blower isn't having a difficult time working. Look into your air filter's housing and check the markings on your filter. If your furnace blower won't plough on, bank check to confirm the arrows on the air filter are pointing in the correct direction. When the arrows are pointing in the incorrect direction, change the orientation of the filter. Adjacent, cheque the vents around the blower.
Are the vents closed or chock-full? Your blower might likewise be too dirty to piece of work. If your blower looks dusty, spray abroad the dust with compressed air or wipe it away with a rag.
Cheque Your Furnace Blower's Drive Belt
To figure out if the blower motor belt is damaged, plough off the furnace at the excursion breaker console in your dwelling. Next, head back to the furnace and inspect the chugalug that runs the blower. When the fan in a furnace is not working, this is an indicator of a worn downwardly or cracked belt that needs to be replaced.
Is Your Blower Motor Bustling?
If your blower motor is bustling and lights turn on, but nothing is happening, your furnace issues probably stem from a bad capacitor. Blower motors use a lot of power. They're heavy pieces of tech, after all. So, even if your furnace hooks up to a 240-volt outlet, it will withal demand a capacitor to shop and discharge the 400+ volts it needs to run. If your furnace blower motor won't plough on, the source of the issue may exist a damaged capacitor. Once a load becomes likewise large, a capacitor can break and negatively bear on the performance of your furnace.
Sometimes, that load becomes too much, and your capacitor will fry itself. You'll know that your capacitor is bad when the hum you hear isn't clicking or whining. A bad capacitor will always sound more like a buzz than anything else. We wouldn't recommend doing this kind of repair yourself because of the high voltages involved.
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Try Resetting The Blower
Resetting a furnace blower motor is unproblematic. Let's go over the steps i by one so that y'all can practice them safely and correctly.
- Plough off the power: The best manner to disconnect your furnace from power is to shut off the breaker that it connects to.
- Remove the blower comprehend: You can usually take off your blower embrace by removing several screws effectually the forepart.
- Let the blower cool down: Next, the blower volition need to absurd down. This will get any metal components to a temperature that'due south safe to touch.
- Find the reset button: The reset button will normally be cerise and located on the backside of the motor. If the reset button has popped, and so you need to button it dorsum in.
- Push the push in: The reset button connects to a small circuit breaker inside your blower that will pop if it gets overloaded. If the red push button has popped, so push information technology back in.
At present, you should've successfully been able to reset your blower motor. If the red button on the back of the motor hasn't popped, and so your motor might exist bad.
Signs It'southward Time to Replace Your Furnace Blower
There are ii common signs that you have a broken furnace blower motor—overheating and moisture. We'll break down both in more than particular below.
Overheating
If your motor's electrics and bearings are constantly exposed to likewise much heat, then they volition begin to neglect. If you let your motor overheat repeatedly and fail, then either a component has cleaved or a bearing has seized.To prevent overheating, check your vents, filters, and in-room airflow.
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Wet Harm
Moisture damage tin come up from humidity, a leaky ceiling, or an incorrectly installed curlicue. If water gets into your blower motor, you will notice corrosion on the motor casing and control panel. Any h2o near wires and electrical components tin can cause a short and damage. The all-time way to prevent impairment to the furnace blower is to place a dehumidifier in your utility room and try to relocate your furnace away from any piping that could potentially baste condensation.
Furnace Blower Won't Turn On? Telephone call a Furnace Repair Service
A pocket-sized event tin quickly turn into something far worse. Are you trying to decide why your furnace blower won't plow on? Our technicians have the tools necessary to perform a furnace repair or tune-upwardly service at your home in Jacksonville, Florida. In improver, our staff offers other types of HVAC services such every bit water heater installation, sump pump replacement, air conditioning repair, and water line installation.
We're equipped with the experience and know-how to perform a furnace repair or tune-upward service in your dwelling promptly. If yous need a new furnace motor, our team is also skilled in furnace installations. If your furnace blower doesn't turn on, requite our team of technicians a telephone call by telephone at (904) 217-5694 to receive back up 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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