Furnace Blower Not Working Burning Smell

Three smells you should never ignore from your furnace: Unfortunately, it’s not very easy to pinpoint what could be wrong when your furnace fan isn’t working.

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Woke up at 3am a couple of days ago to the smell of electrical/plasticky burning smell coming from the vents.

Furnace Blower Not Working Burning Smell. The only unatural conditions that would cause the motor to prematurly fail would be a lack of lubrication, failed run capacitor or overloading by too much airflow. I would suggest that the next time the blower does not come on to turn the power off to the furnace, take the furnace door off. Damaged wiring can be checked, replaced, or simply tightened.

These motors are designed for continous duty so your cold snap would not have caused it. If the blower stops working, it could cause the furnace to overheat and may result in a burning smell. A blower motor that overheats will be quite obvious.

The rotten egg odor is a profound indicator that there is a natural gas leak and should immediately be taken care of. The furnace may even shut down if the overheating goes on for too long unchecked. Open doors and windows to let fresh air in and evacuate the house.

This time the code was 3 slow blinks and 3 fast ones. Even so, the smell usually goes away in less than an hour. Reasons why your furnace fan isn’t working and how to fix each.

Loud humming and other unusual noises. Here are a few reasons why a furnace will trip its circuit breaker: If a smell a burning odor after a several minutes, the motor is likely the cause.

Burning smell coming out of the vents, and total system shut down don’t go unnoticed. Googled instead and considered myself a veteran hvac repair tech by 5am. Furnace blower motor not working.

Ignition sensor is dirty and the furnace wont ignite. Wear and tear on components such as bearings and the blower motor can cause them to malfunction leading to overheating. Everything went like it should but the blower motor still did not turn on.

A new blower motor is the only solution. In some instances the blower motor is simply past wear and needs replacement. If you smell an electrical burning smell, take the issue seriously, and contact an hvac technician for immediate diagnostics and repairs.

A furnace with an overheating blower motor will turn off automatically to reduce the risk of damage and electrical issues. The only time you will really smell burning dust is when you fire it up for the first time for heating season. It’s a pretty common problem to turn the heater on but have cool air coming out.

For instance, a burning smell can be a sign of blower motor overheating. The extra heat can melt other components in the system that are rubber as well as create sparks. If the breaker trips again, there may be something else wrong with your furnace.

An electrical burning smell coming from your furnace indicates that it’s overheating. Make sure you don't have a fire going and that you don't. A bad gasket is kind of a reach imo, sounds like he really didn't check anything else.

Your blower motor can give you some very clear signs of overheating, including: Furnace blower keeps running but no heat. The blower serves a dual purpose in a furnace.

If the burning smell was coming from the motor it's number will be up, even if it's working now. This symptom is often coupled with the furnace shutting off completely. I leaned into the furnace where the burner is and sniffed to see what the smell is for sure.

A “hot” or burning smell from vents in the home. Signs of an overheating blower motor. The most common issues that you may find when the furnace blower keeps running but no heat is:

Thermostat calls for heat and the whole cycle starts up with the inducer runs, igniter lights up and flames burn for about a minute or so.usually the blower motor fires up and blows the heat thru the house, but the blower never comes on (i have had the blower motor tested and the capacitor too.both work and the fans spins freely with no issues) then shortly. Due from age and wear, and lack of lubrication and maintenance, the blower motor can fall short. The smell that came through the ducts into the house came from the burner area.

It sends the warm air out through the house, and it also keeps the internal temperature of the furnace from getting out of hand. The burn smell could either be caused by the heat exchanger getting real hot and burning the old dust off the heat exchanger or the blower motor could be getting too hot and causing an burning electrical smell. Anyway, here's the short version:

My guess was blower motor. Immediately shut off the furnace, opened windows for a bit, and tried to sleep. The blower motor had no smell.

If it isn’t, it soon will be. First, stay calm and turn the furnace off. Then, check the furnace again to see if it is working.