How To Fix Ignition Lockout On Furnace

A lockout on a furnace is generally caused by either a problem with the ignition or a problem with the fuel supply. In most cases, a lockout can be fixed by troubleshooting the problem and making the necessary repairs. However, in some cases, it may be necessary to call a technician to fix the problem.

How To Fix Ignition Lockout On Furnace

A furnace lockout is usually caused by a problem with the furnace ignition system. There are a few things that you can do to try to fix the lockout: -Check the furnace filter and make sure it is clean. A dirty filter can cause the furnace to overheat and lockout. -Check the furnace gas valves and make sure they are open. -Check the furnace igniter and make sure it is clean and free of debris. -Check the wiring

tools: -Phillips head screwdriver -flathead screwdriver -needle nose pliers material: -wire cutter -electrical tape

  • Relight furnace pilot light
  • If still not working, check circuit breaker
  • Wait until furnace has completely heated up, then try turning on

-If your furnace is experiencing ignition lockout, there are a few things you can do to try and fix the issue. -One thing you can try is cleaning the ignition electrodes. You can do this by using a wire brush to clean off any built-up carbon or other debris. -Another thing you can try is adjusting the air/fuel ratio. This can be done by adjusting the screws on the side of the furnace. -If neither of those things

Frequently Asked Questions

How Do You Reset A Furnace Ignitor?

There are a few ways to reset a furnace ignitor, but the most common is to simply unplug the furnace, wait a few minutes, and plug it back in. Another way is to remove the furnace cover and use a screwdriver to reset the ignitor.

Where Is The Furnace Ignitor Located?

The furnace ignitor is located on the furnace itself, typically near the bottom.

How Do I Reset My Electronic Ignition Furnace?

If your electronic ignition furnace is not working, you may need to reset it. Resetting the furnace will clear any errors that may have occurred and allow it to start up again. To reset the furnace, unplug it from the wall, wait a few minutes, and then plug it back in.


If your furnace ignition lockout is due to a dirty filter, replace the filter and try again. If the lockout persists, call a technician to service your furnace.

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