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Dirty air filters are often the culprit behind an inefficiently performing furnace. That’s because air filters trap dust, dirt and debris like hair, which over time can restrict or block vital airflow, overheating the heat exchanger and preventing your furnace from working as it should.
What to check if your furnace isn’t working?
When your furnace doesn’t come on, it can be very aggravating because it’s cold in your house.Let’s get started. Step #1: Check your Air Filter. Step #2: Check Your Pilot Light. Step #3: Check Your Thermostat. Step #4: Check The Power. Step #5: Check Your Gas Supply.
What is the most common problem with furnaces?
One of the most common furnace problems is a malfunctioning thermostat. A sure sign your thermostat isn’t working properly is if your fan is constantly running. This will cause your thermostat battery to run, and cause your furnace to work inefficiently.
How do you reset a furnace?
How to Reset an Electric Furnace First, turn off the power supply to the furnace by turning off the breaker in the circuit box. Locate the reset button on the furnace and press it to reset the furnace. If the button is popped up, press it down. Return the cover to the blower compartment and turn the power on.
How do you know if something is wrong with your furnace?
Signs Your Furnace is Going Out Increasing illnesses. High furnace age. High and unexplained utility bills. Sudden troublesome noises. Pilot flame color. Dry air. Soot. Frequent repairs.
Why does furnace start and stop?
The most common issues that can cause your furnace to stop and start again are: Restricted Airflow: Your furnace draws in air from your home and then cycles the warm air back into your home. If your intake vents and exhaust vents are blocked or airflow is restricted, then you could experience short cycling.
Why is my furnace not blowing hot air?
Heater Not Blowing Warm Air Because of Thermostat Settings. Make sure you check the thermostat which controls your HVAC system. If your thermostat is set correctly and your heater is still not coming on, you may have a faulty thermostat. If these fixes do not work, a call to an HVAC professional is in order.
How long does it take for furnace to reset?
Either way, restarting a furnace is a relatively simple task that takes no longer than 10 minutes to complete. Follow these steps to reset your gas furnace: Turn the circuit breaker off and switch the furnace power button off too. Never touch the breaker with wet hands and use only one hand to do it.
Do all furnace blower motors have a reset button?
All furnaces are equipped with a reset button. They are generally red or yellow and are located inside the blower compartment. The reset button is a safety feature that will shut down the furnace when a problem is detected, often a hot or overheating furnace, before it trips the circuit breaker.
Where is the reset button?
Alternatively referred to as the reset switch, the reset button allows devices that utilize it, such as a computer or peripheral to be rebooted. Usually, the button is on the front of the device, next to or near the power button.
What’s the life expectancy of a furnace?
THE AVERAGE FURNACE LIFESPAN A well-maintained furnace can last at least 15 to 20 years, but completing annual maintenance and being diligent with repairs can extend its life even longer.
How do you know when you need a new furnace?
8 Telltale Signs Its Time to Replace Your Furnace The Age of Your System. Rising Energy Bills. Excessive Dust, Dirt, Soot or Rust Particles. Home Humidity Problems. Furnace Becomes Unusually Noisy or Develops Rattles, Buzzes or Hums. Furnace Has Visible Signs of Rust or Cracks in or Around System. Frequent Repairs.
Is my furnace dying?
Aging furnaces often make some strange noises toward the end of their life — banging, popping, rattling, or squealing. Or you may you hear the furnace blower running excessively, turning off and on frequently, or blowing cold air sometimes. These may mean your furnace needs to be replaced.
Why does my furnace keep shutting off after a few seconds?
A common reason a furnace short cycles is because the heat exchanger, the part that heats your air, is getting too hot due to a lack of airflow. Once the heat exchanger overheats, it trips the high limit switch, which shuts the furnace down to protect it.
How many times can I hit the reset button on my furnace?
Don’t hit “reset” more than twice. The process pumps oil into the burner chamber, where it can accumulate if you have no ignition. Then when the furnace finally does start, it can do so explosively. So if the button won’t reset, or quickly pops up again, it’s time to call a professional repair service.
What can cause a blower motor to stop working?
In most cases, a blower motor resistor fails due to corrosion or overheating. Sometimes, the mechanical resistance to the motor rotation causes an excessive electric current that can overheat and prematurely damage the blower motor resistor.
How much does it cost to replace a blower motor on a furnace?
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+.
How do you reset a furnace blower motor?
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).
