Furnace Blower Not Working Burning Smell

If you have an oil furnace your unit might not ignite all the oil that passes through the burner.

Furnace blower not working burning smell. If the burning smell was coming from the motor it s number will be up even if it s working now. Odors that resemble the chemical formaldehyde scent may indicate a cracked heat exchanger which is a very serious issue. One of the most common burning smells you ll experience with your furnace. Burning smells from a furnace dirty filter.

These motors are designed for continous duty so your cold snap would not have caused it. An electrical burning odor could indicate an overheated blower motor in your furnace or heater. After ruling out all of the simple problems above the most likely cause of a furnace not blowing air is a problem with the blower fan itself which if you remember is the fan that circulates your house s air over the heated coils. These items could catch fire or melt resulting in the smell of smoke and burning plastic.

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. Furnace cycles off and refuses to restart. In many cases this is an overheated blower motor. If your furnace is still giving off a burning smell after the first few times that you use it your system might be experiencing some sort of problem.

If the air filter in your furnace is extremely dirty. Your blower motor can give you some very clear signs of overheating including. One possibility is that your air filter is clogged. When your furnace filter is clogged your blower motor will have to work extra hard and it can begin to overheat.

Instead the oil creates a fog that smells much like a diesel engine. We have many homeowners call us mentioning humming. If you smell a burning electrical smell throughout your home turn off your furnace at the thermostat and call an hvac technician to inspect your furnace. Although furnaces are designed to be as safe as possible.

Under normal operating conditions the furnace should shut itself off if it begins to overheat. This overheating can produce a burning smell from your furnace. A hot or burning smell from vents in the home. If you fire up your furnace and you smell something burning and it s not the first time of the season then you may have a problem of an electrical component blowing out or burning.

Check your furnace blower fan. In many places not having a properly working furnace can actually be dangerous if the temperatures drop below a certain point.