What would cause a furnace blower not to kick on?
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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 motor?
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.
Can you run furnace without blower?
The furnace can produce heat inside the combustion chamber—but that heat won’t go anywhere if the blower fan isn’t running. Because there’s a danger of the furnace overheating without the blower fan, the furnace won’t operate unless the blower has power.
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.
How do you diagnose a blower motor problem?
How to Test a Blower Motor
- 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 the circuits are in good repair but the blower motor keeps blowing fuses, replace the blower motor [source: You Fix Cars].
How do I know if the blower motor is bad?
Here are 4 common symptoms of a bad blower motor:
- Low/no airflow from vents. The classic sign of a bad blower motor is restricted airflow coming from your air vents.
- Strange sounds coming from blower.
- Circuit breaker keeps tripping.
- Hot/burning smell coming from air vents.
How long should it take the blower to kick on a furnace?
In normal operation, your furnace blower fan should come on 1.5 to 3 minutes after your thermostat calls for heat and should turn off several minutes after the heating cycle ends.
How long should it take for furnace blower to start?
In either instance, the blower motor should start within 30 – 90 seconds after burner ignition. If the fan motor does not start, the furnace will overheat and the high-temperature limit switch should cause the burners to shut-off.
How long should a furnace blower motor last?
10 to 20 years
Blower motors are designed to last just as long as your furnace itself, anywhere from 10 to 20 years. Just as with any HVAC system, the better maintained and serviced your equipment is by experienced HVAC technicians the longer it will last and the fewer repairs you’ll face.
How do I know if my blower motor fuse is bad?
If you hear that the blower motor is operating but don’t feel any air flowing through the vents, the problem is with the airflow controls [source: RepairPal]. If the blower motor isn’t running you should: Use voltmeter or ohmmeter to check for a blown fuse.
How can you tell if a blower motor is bad?
