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407-859-1494

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Gary Munson Heating & Air Conditioning Blog

How to Check if Your Blower Motor is Bad

technician-inspecting-furnace

You turn on your home comfort system, notice that electrical buzzing as the thermostat communicates to the unit, and then nothing. There’s no breeze coming out of your vents, and you’re still waiting.

It could be a problem with the blower motor. Your system uses forced air, which relies on the blower motor to push that air from your heater through the vents and into your home. Let’s find out if it’s your blower motor, or if you need professionals to fix your heating in Maitland, FL.

Little to No Airflow From Vents

That’s right, you can still get airflow from your vents, but it will be limited. Your blower motor’s operation isn’t black and white. It doesn’t have to simply not work for you to realize that there’s a problem.

When the airflow is suboptimal at best, you have a failing blower motor on your hands. There’s no telling when it will actually give out, which is why it’s best to have a professional look at it immediately.

Excessively Loud Blower Motor

Your blower motor is going to make some noise, that’s to be expected, but at a certain point, the noise becomes too much. You notice it even after your heater has been on for a few minutes.

You may also notice an abnormal sound. If you hear whirring, buzzing, or the grinding of metal, turn your blower motor off by shutting down your heater.

What you’re hearing is damage to the system in real time. Something is wrong, and continued operation will only make things worse. A professional technician will be able to help you from this point and diagnose the issue.

A Persistent Burning Odor From the Vents

The air in your system goes through your blower motor, then it’s forced to the vents where it spills into the home to heat it. If you smell a burning, plastic-like odor coming from any vent, shut down your heater immediately.

There’s a high chance that something is wrong with the electrical components of your blower motor. What you’re smelling could be burning plastic. It doesn’t just have to be your wires; other aspects of your heater may burn (and not in the way you want). Shut it down!

Your Circuit Breaker Doesn’t Like You

You have to keep resetting your circuit breaker. Your heater is requesting too much power and it’s tripping the circuit breaker. Once in a while is okay, but this frequently? Something’s not right.

This can happen from a bad capacitor or a seized-up blower motor. Either way, it’s not supposed to happen and is definitely a cause for concern. This requires immediate attention from a licensed professional.

Is it Your Blower Motor or Something Else?

There are a lot of ways your blower motor could bite you back. Once you’ve tried everything we’ve listed above, you’ll be able to know for certain if it’s a simple fix, or if you have to call in the experts to handle it.

Contact Gary Munson Heating & Air Conditioning today to schedule repair for your blower motor. You will be more comfortable with the best! 

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