While your Lennox® heater cannot talk to you, it does have a process to get your attention when there’s a furnace error.

Its motherboard has a set of LED lights that can share a fault code. Subject to the problem, your furnace may use solid or flashing lights.

While there are some simple heating fixes you can complete on your own, the majority of tasks are best taken care of by experts. When your heater won’t kick on or deliver warmth, get in touch with Fleming Heating & Air Conditioning Inc at 877-389-2465 for professional furnace repair in South Beloit and Belvidere.

Our experts will speedily determine and take care of the problem, even if you don’t own a Lennox heating system. We can fix all kinds or configuration—and get the heat reintroduced to your home fast.

What Does the Flickering Light on My Furnace Mean?

Your heating system relies on lights to flash code when it isn’t working right. It also uses this setup to relay it’s working like it should.

Normal function consists of:

  • Simultaneous slow flash—heating system heating properly.
  • Simultaneous fast flash—heating system is starting to call for heat.

If you see a lone light blinking slowly and the other blinking quickly, your heating system could be experiencing a low flame signal. This can happen even when your heater is working properly. It signifies the flame sensing rod could be dirty or in the wrong location on the burner. Call us at 877-389-2465 for support.

Here are a few other of the most typical errors for Lennox furnaces.

Heater Refuses to Turn On

Here are some of the light arrangements you may observe when your heating system refuses to or keep operating. The bulk of these errors have to be handled by a technician, like one from Fleming Heating & Air Conditioning Inc.

  1. All LED lights aren’t lit. This indicates your heating system might not have electricity. Examine the breaker box to make sure the heating system fuse has not tripped. Attempt to reset the fuse if it is in the “off” position. If it promptly trips following a reset, don’t try to reset it again and call us at 877-389-2465.
  2. One light is stable and the other is flashing slowly. This signifies the flame rollout switch is possibly open. The switch is a critical safety mechanism that helps in stopping fires and carbon monoxide. You shouldn’t try to repair this problem on your own.
  3. A single light is blinking quickly and the other is blinking slowly. This typically means power polarity has been transposed. Your heating system could have a wiring problem that requires specialized aid from Fleming Heating & Air Conditioning Inc.
  4. The pair of lights are flashing slowly. This indicates your heater’s blower motor possibly isn’t running. This part distributes heated air from the heating system into your home. We can aid in figuring out what’s wrong with this part.
  5. One light is flashing slowly and the other is flickering rapidly. This indicates your heater might have low voltage or a short circuit. Contact our specialists at 877-389-2465 for assistance.
  6. One light is flashing on, on, off while the other blinks on, off, on. This means there may be a malfunction with your heater’s control board or wiring. Fleming Heating & Air Conditioning Inc can locate the problem and repair it.
  7. The pair of lights show every other slow flashes. This signifies your heating system possibly has a flame failure. There could be an issue with its gas supply, gas valve or ignitor control. Call us at 877-389-2465 for assistance.
  8. A single light flashes slowly while the other stays steady. This usually means your heating system’s limit switch is malfunctioning. The switch keeps your HVAC equipment from becoming too warm. Reach out to the specialists at Fleming Heating & Air Conditioning Inc for help.

Heater Blower Operates But No Warm Air

Here’s what could be wrong when you hear your heating equipment’s blower fan working, but you aren’t receiving any heated air.

  • The duo of lights display alternate fast flashes. This indicates your furnace ignitor might be broken. This piece lights energy in your heater to create warmth and should be serviced by an expert from Fleming Heating & Air Conditioning Inc.

Trust Us for Skilled Furnace Repair

When you need to get your heater in working order without delay, trust the professionals at Fleming Heating & Air Conditioning Inc. Our technicians will take care of the fault right away and have your house feeling cozy again in no time. Get in touch with us at 877-389-2465 or contact us online to request an appointment now.