Why is my furnace running but not igniting?

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. If the sensor or ignitor is dirty, it will need to be cleaned.

Where is reset button on furnace?

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 on my furnace?

What to do when your furnace does not ignite?

If your furnace is equipped with an electronic igniter, you cannot light the furnace manually. However, you may be able to get the furnace working by turning off the igniter and resetting it. Find the paperwork for your particular furnace to locate the reset button or switch.

Why is my furnace not blowing out hot air?

Furnace Not Blowing Hot Air – Problems & Solutions The reason your furnace is not blowing hot air could be a setting on the thermostat, a circuit breaker, or a clogged air filter. Other potential problems include a bad blower fan or limit control switch.

What causes a furnace to fail to ignite?

Probably the most common ignition failure is: the flame sensor is fouled. This will prevent the furnace from providing heat. It is a safety feature for the furnace. Clean it but be very careful cleaning it. The next most common ignition problem is a cracked hot surface ignitor. Replace it. The next problem is a wildcard. Check any furnace flash codes if the furnace is so equipped.

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,…