What would cause a furnace blower not to kick on?

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. Sometimes, this process can reset the motor and solve your furnace problems.

How do you reset a furnace blower?





Locate the reset button on the furnace and press it to reset the furnace. It is usually located inside the blower compartment on the side of the blower motor. Be cautious as the housing may be hot. If the button is popped up, press it down.

How do I know if my furnace blower is bad?

What Are Signs Your Blower Motor Needs to Be Replaced?

  1. Poor or Airflow from Air Vents. This will be the first and most obvious sign your blower motor has a problem. …
  2. No Airflow At All From Vents. …
  3. Skyrocketing Energy Bills. …
  4. Strange Noises When You Turn on the Heat. …
  5. Overheating Blower / Weird Smells.


How do I reset my blower fan?

How to Find and Reset your Furnace Motor Blower

  1. Step 1: Turn off the power to the furnace. …
  2. Step 2: Remove the blower compartment cover. …
  3. Step 3: Make sure the blower is completely cooled off. …
  4. Step 4: Locate the reset button. …
  5. Step 5: Press the button in (assuming that this is your issue and that the button has popped).





Why is my blower fan not working?

If little air is coming through the vents (hot or cold), then it could be because the blower motor for the fan or a switch or resistor that controls fan speed isn’t working. Another cause might be that the electronically controlled “blend doors” that direct air flow are stuck or broken.

How do you troubleshoot a blower motor?

Quote from the video:
Quote from Youtube video: Now if by chance both windings read a measurable resistance that most likely means you have a mechanical issue with the blower such as a seized blower.

How do I test my furnace blower motor?

Quote from the video:
Quote from Youtube video: And then you put one probe on there and one to the l2. Common neutral bar right here and you should read 120 volts. If you read 120 volts. And your blower motor is not turning on then.

How much does it cost to replace a furnace blower motor?



$400 to $600

On average nationwide, a furnace blower motor replacement costs $400 to $600, including parts and labor. A single-speed blower motor costs around $450 to replace while a variable-speed motor costs $600 or more. You’ll also need to budget labor, about $75 to $125 per hour.

Where is the blower motor switch on a furnace?

Quote from the video:
Quote from Youtube video: Right behind the electrical gas valve. And it's located in the heat exchanger area.

Is there a fuse for the blower motor?



If the fan doesn’t work, before pointing the finger at the blower motor, check fuses for the motor to make sure they’re still good. Many vehicles have two fuses for the blower motor, one in the interior fuse block and the other under the hood. The blower motor is usually under the dashboard on the passenger side.

How can you tell if your blower motor is bad?

Here are 4 common symptoms of a bad blower motor:

  1. Low/no airflow from vents. The classic sign of a bad blower motor is restricted airflow coming from your air vents. …
  2. Strange sounds coming from blower. …
  3. Circuit breaker keeps tripping. …
  4. Hot/burning smell coming from air vents.


Where is the blower motor relay fuse located?

Quote from the video:
Quote from Youtube video: Itself when the relay is engaged. You can just pop that out if you need to remove it or you can look down through the top and see that it's good to go. Now there's a 5 amp fuse right next to it.

How do you test a blower fuse?



Use voltmeter or ohmmeter to check for a blown fuse. If you find one, replace it. Start car and see if blower motor works. If fuse blows again, check for loose circuits.