
What Would Cause a Furnace not to Kick ON?
- Thermostat issues. If your furnace isn’t responding to temperature changes, the most likely culprit is the thermostat.
- Ignition issues. If the thermostat is in good working condition, then the next thing you want to check is the ignition system.
- Gas supply issues. ...
- Electrical issues. ...
Why is my heater not turning on?
May 25, 2020 · Why is my heat not kicking on? If your furnace does not heat at all. Thermostat malfunctions cause most heating system failures. Other causes include a tripped circuit breaker or blown fuse, or—in the case of combustion furnaces—a pilot light that has gone out. 2 Be sure the furnace's circuit breaker is on or that its fuse has not blown.
Why does your heating unit not kick off?
Dec 20, 2017 · Wait a few minutes to see if that sets the furnace in motion. Check the Pilot Light – A dirty or faulty pilot light is one of the main reasons a gas furnace won’t start. Many people will leave this problem to the professionals, but if you have mechanical expertise, you may feel comfortable fixing the issue yourself.
Why is your furnace not kicking on?
Whatever the issue may be, when the entire system refuses to start, homeowners need the assistance of their preferred HVAC contractor for further diagnostics on a heater not working. There is No Gas – Heater Not Working. The majority of heaters in the United States need fuel to run properly. Many homes come equipped with a line that brings natural gas from a city supply …
Why is my heat not working?
Blown fuse. Your furnace uses gas to produce heat, but it also uses electricity to blow air throughout your home. If the fuse to your furnace is blown, your system will not turn on. Check your circuit breaker and make sure that the switch for …

What would cause my heat not to kick on?
If your furnace won't turn on, it's almost always because you've not had it tuned for a long time. Often, the issue is that the heating system is simply dirty. If your furnace has a dirty blower, the blower could cause equipment failure.Jan 6, 2020
How do I get my furnace to kick on?
Furnace Won't Start FAQsCheck your circuit breakers.Check your thermostat settings.Ensure your furnace filters are clean.Check your pilot light.Check your blower motor.Check the furnace ignition switch.Oct 7, 2020
Can hear your furnace click on but it does not fire up?
The Pilot Light (Faulty Ignition Sensor) The pilot light or ignition sensor is usually the most common issue when your furnace will not ignite. This is typically the problem if you can hear your furnace click on but it does not fire up.Feb 29, 2020
What would cause a furnace not to ignite?
Common types of natural gas issues include gas leaks, blocked gas lines, and malfunctioning gas valves. If the gas line is off, simply turn it back on. If the furnace won't ignite after doing this, call an HVAC professional to check for other potential problems.Nov 18, 2021
Why won't my heat come on?
Your heat won’t come on if you have a limited gas supply. If you own a gas furnace, make sure that your gas line has not been accidentally turned off. When you’re involved with more than one home improvement project at a time, this can happen, especially if you’re in the middle of a kitchen remodeling project.
What to do if furnace won't kick on?
The first thing you want to do if your furnace won’t kick on is to check and see if the thermostat is set to heat and not the air conditioning function. In addition to this, make sure that the thermostat is set to a temperature higher than the temperature of the room. Typically, you should set your thermostat’s temperature to about 5 degrees ...
What to do if your furnace breaker is tripped?
For those that are inexperienced with this, you’ll want to: Make sure your furnace is turned off. Check the switch on your unit. Head to the circuit breaker panel and open it up. Look to see if you see a tripped breaker.
What happens if your furnace is not working properly?
When one of these parts is not working properly, it can prevent your furnace from starting up and producing heat for your home. In this situation, it’s best to have a certified technician look at your system and make any necessary repairs.
How to tell if a blower is broken?
Locate the blower compartment with the inspection window. Look and make sure that you see a flashing green light. If you see a flashing red light or no light at all, your blower is more than likely broken. If it’s not your blower that’s broken, it could also be your transformer, your run capacitor or your control board.
How to relight a pilot?
To relight it your pilot, you’ll want to: With the furnace door removed and the power turned off, look to see if you see a flame. If there is no flame present, locate the furnace control valve and flip the switch to OFF. You’ll now want to wait a few minutes. Equip yourself with a match or even a barbeque lighter.
Why is my furnace not kicking on?
There are many reasons why your furnace might not be kicking on. Some of the most common explanations include: Troubles with your thermostat. Your thermostat is responsible for telling your furnace when to turn on and off. So if your thermostat is not set or working properly, it might never tell your furnace to kick on.
Why won't my furnace come on?
Your furnace may not come on sometimes due to the following reasons: 1 Your thermostat is set incorrectly. 2 Your air filter is clogged or dirty. 3 Your pilot light is out.
What happens if a furnace fuse is blown?
If the fuse to your furnace is blown, your system will not turn on. Check your circuit breaker and make sure that the switch for your furnace is in the "on" position. Pilot light went out.
Why does my furnace keep turning on?
Your furnace has many different components that all must work together in order to heat your home properly. If any of those components malfunction or overheat, they can cause a domino effect in your system that prevents it from turning on.
What does it mean when your thermostat is not responding?
Your thermostat is malfunctioning. The circuit to your furnace has tripped. The wiring to your thermostat is bad. If you try changing the temperature in your home with your thermostat and your furnace still does not respond after a few minutes, that typically indicates something is wrong with your thermostat or furnace.
What happens if the pilot light blows out?
If the pilot light was blown out, your furnace will not ignite properly. Check your manufacturer's instructions to learn how to relight your pilot light and contact Jerry Kelly if it continues to blow out. Gas valve is turned off.
