You may need a new gas control valve. Call your gas supply utility, tell them you need help and they will send someone out (usually for free) who will be able to diagnose simple problems and sometimes fix them. You may have to call an HVAC professional if nothing else works.Sep 30, 2014

Why is my furnace turning on but not igniting?

If your gas furnace initiates the start cycle but does not fire up, it’s likely because of a faulty, damaged, or dirty ignitor/sensor. This is a very common furnace problem—you can try to clean the sensor and replace the ignitor.

Can hear your furnace click on but it does not fire up?





You Have a Faulty Ignition Sensor (Pilot Light)

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.

How do you reset a furnace in a mobile home?

How to Reset an Electric Furnace

  1. First, turn off the power supply to the furnace by turning off the breaker in the circuit box.
  2. Locate the reset button on the furnace and press it to reset the furnace. …
  3. If the button is popped up, press it down.
  4. Return the cover to the blower compartment and turn the power on.

Nov 17, 2020

How do I reset my furnace ignitor?





Once the power is off you can remove the burner door to reveal the ignitor. Turn this to “off” and leave it off for at least 5 minutes. After this time, turn the ignitor back to the “on” position and replace the burner door. You can then turn the power source back on and restart the furnace.

How do you know if your furnace ignitor is bad?

If you have a faulty furnace ignitor, it won’t produce that tiny spark to heat the air coming from your Furnace. Your heater blows air at the same temperature as the cold outside air without it. Cold air blowing through your vents is a good sign that you have a heating problem within the Furnace.

How do I know if my furnace spark ignitor is bad?

Your furnace won’t run: The most obvious sign that your ignitor is bad is that it won’t ignite, and this generally manifests itself in your furnace failing to run when you activate it. One word of caution, though: this can also be caused by other issues, some of which are electrical.

Why is my furnace not blowing warm air?

The Furnace Is Blowing Cold Air



First, check to make sure the thermostat is set correctly. You will want to make sure that the fan control is set to auto, and not ‘on’. If the thermostat appears set correctly, turn off your heater at the thermostat and check the filter. If the filter is dirty, replace it.

What to check if your furnace isn’t working?

Furnace Not Working? The 5 Most Common Causes [2019]

  1. Step #1: Check your Air Filter.
  2. Step #2: Check Your Pilot Light.
  3. Step #3: Check Your Thermostat.
  4. Step #4: Check The Power.
  5. Step #5: Check Your Gas Supply.

May 12, 2019

How do I know if my furnace pilot light is on?



How to Tell If the Pilot Light Is Out

  1. Locate the front cover panel on your furnace. It should be a little door that’s easily visible. …
  2. If your pilot light is on, it should be easy to see – your eyes will be drawn to the little flame.
  3. If you don’t see a flame, your pilot light is out.
  4. If there is a flame, check the color.

Why is my igniter not working?

Make sure that the igniter is making a clicking noise when you press the igniter button. If it doesn’t click, then the wires may not be connected properly, the battery may be dead or installed incorrectly, or the igniter module may have failed.

How does a battery powered spark igniter work?

When the rod is placed into a gas flow and sparks, the gas ignites. With a spark generator, the circuit is closed by either pushing a button or turning a knob. Electricity from the battery will flow through the wires and a spark or sparks will be generated between the electrode ignition rod and a ground plate.

How does a push button igniter work?



It consists of a small, spring-loaded hammer which, when a button is pressed, hits a crystal of PZT. This sudden forceful deformation produces a high voltage and subsequent electrical discharge, which ignites the gas.