What happens when a furnace blower motor goes out?
Signs of an Overheating Blower Motor
Your blower motor can give you some very clear signs of overheating, including: A “hot” or burning smell from vents in the home. This symptom is often coupled with the furnace shutting off completely. If it isn’t, it soon will be.
How much should it cost to replace a furnace blower motor?
On average nationwide, a furnace blower motor replacement costs $400-$600, including parts and labor. A single-speed blower motor costs around $450 to replace while a variable-speed motor costs $600+.
What causes a furnace motor to burn out?
Buildup of dust, dirt, or debris. Electrical problems, including an excessive voltage supply. Motor insulation failing prematurely due to high temperatures. A weak blower capacitor.
How long do furnace Motors last?
Even though the manufacturer states their blower motor will last two decades, we advise all clients to expect a 10-20-year life span due to age, use, and proactive maintenance.
How much does a new furnace cost?
How Much Does a Furnace Cost? A new furnace costs $1,500 to $6,500, depending on the model you choose. The average cost of installing a mid-efficiency furnace is $1,500 to $2,500. Mid-efficiency furnaces have an annual fuel utilization efficiency (AFUE) rating of 80% to 89%.
How do I know if my blower motor switch is bad?
Symptoms of a bad heater blower motor resistor
- Fan does not work at all, so no air comes out of the vents.
- Fan only works on some speeds and not others.
- Fan only works on the highest speed.
- Fan runs all the time and can’t be controlled with the fan switch.
- You see smoke coming out of the vents.
How do you reset a furnace fan?
How to Find and Reset your Furnace Motor Blower
- Step 1: Turn off the power to the furnace. …
- Step 2: Remove the blower compartment cover. …
- Step 3: Make sure the blower is completely cooled off. …
- Step 4: Locate the reset button. …
- Step 5: Press the button in (assuming that this is your issue and that the button has popped).
Can a blower motor be repaired?
There are a number of things that can go wrong with your heating system, but if the air stops blowing altogether and the same is true on cold air settings, a blower motor replacement is likely in order. The good news is that it’s a fairly straight forward repair.
How much does a furnace fan cost?
$245 – $610, Installed. The average cost to replace a broken furnace blower motor is around $290 when the part is under warranty and you pay just the labor cost. When the blower motor is not under warranty, the average cost is around $450 which includes parts and labor for a standard furnace blower motor.
What happens if furnace overheats?
The most serious risk of an overheating furnace is stress cracks in the heat exchanger caused by overheating. The vast majority of premature heat exchanger damage is due to overheating as the heat stress causes cracks near the welds and bends.
What makes a fan motor go bad?
The main causes of failure are loss of lubricant, a failed run capacitor, a failed bearing in a belt drive, a little water dripping into the windings or a voltage problem. So technicians should carefully check to find the cause of a failure before changing the motor.
How does a fan motor burn out?
One of the main reasons a fan motor might malfunction is dirt inside the cabinet. … Like any motor, an air conditioner fan motor can become overheated if it works too hard and doesn’t receive proper maintenance. If your AC has worked for you most of the summer, the stress could cause the fan motors to burn out.