While your Lennox® heater isn’t able to chat with you, it possesses a way to get your attention when there’s a furnace error.

Its motherboard has twin LED lights that can share a fault code. Based on the fault, your heater might display continuous or flashing lights.

Though there are various elementary HVAC repairs you can take care of without an expert, many tasks are best left to experts. When your furnace won’t start or give heated air, get in touch with Rescue Heating & Air at 361-265-4371 for expert furnace repair in Alice.

Our experts will rapidly detect and fix the problem, even if you don’t use a Lennox heating system. We can service all kinds or makes—and get the heat reintroduced to your home without delay.

What Does the Flickering Light on My Heater Mean?

Your heater relies on lights to flash code when it requires repairs. It also works this system to relay it’s operating properly.

Correct operation consists of:

  • Simultaneous slow flash—heating system operating like it should.
  • Simultaneous fast flash—furnace is initiating the call for heat.

If you see a solitary light blinking slowly and the other blinking fast, your heating system could be experiencing a low flame signal. This can take place even when your heater is working correctly. It means the flame sensing rod could have buildup or in the incorrect spot on the burner. Reach out to us at 361-265-4371 for assistance.

Here are a few other of the most routine problems for Lennox heating systems.

Furnace Won’t Start

Here are some of the light sequences you might see when your furnace refuses to or keep heating. Most of these problems must be taken care of by a specialist, like one from Rescue Heating & Air.

  1. All LED lights aren’t lit. This signifies your heater might not be receiving power. Examine the breaker box to ensure the heater fuse isn’t triggered. Try resetting the fuse if it’s in the “off” position. If it rapidly flips after a subsequent reset, don’t touch the breaker and get in touch with us us at 361-265-4371.
  2. A single light is continuous and the other is flashing slowly. This shows the flame rollout switch is may be open. The part is a critical safety tool that helps in stopping fires and carbon monoxide. You shouldn’t try to repair this problem without professional help.
  3. One light is flickering rapidly and the other is blinking slowly. This typically signifies power polarity has been reversed. Your heating system might have a wiring fault that calls for specialized assistance from Rescue Heating & Air.
  4. The pair of lights are flickering slowly. This means your heater’s blower motor possibly isn’t working. This component sends heated air from the HVAC system into your residence. We can aid in pinpointing what’s wrong with this part.
  5. One light is blinking slowly and the other is blinking quickly. This indicates your HVAC system may have insufficient voltage or a short circuit. Call our specialists at 361-265-4371 for help.
  6. One light is blinking on, on, off while the other blinks on, off, on. This indicates there may be trouble with your heater’s control board or wiring. Rescue Heating & Air can find the issue and repair it.
  7. Both lights show alternate slow flickers. This signifies your heater possibly has a flame error. There may be a problem with its gas supply, gas valve or ignitor control. Get in touch with us at 361-265-4371 for assistance.
  8. A single light flickers slowly while the other stays solid. This typically signifies your heating system’s limit switch is not working. The switch stops your heating system from overheating. Call the experts at Rescue Heating & Air for assistance.

Heating System Blower Works But No Warm Air

Here’s what may be broken when you observe your heating equipment’s blower fan running, but you aren’t receiving any warmth.

  • The duo of lights are showing every other quick flashes. This means your furnace ignitor could not be working. This piece lights gas in your heating system to make heat and should be fixed by a specialist from Rescue Heating & Air.

Depend on Us for Skilled Furnace Repair

When you need to have your heating system fixed fast, depend on the professionals at Rescue Heating & Air. Our technicians will fix the fault right away and have your rooms feeling relaxing again in no time. Contact us at 361-265-4371 or contact us online to schedule an appointment now.