While your Lennox® HVAC equipment can’t chat with you, it does have a procedure to tell you about a furnace error.

Its motherboard has double LED lights that can show a fault code. Subject to the problem, your heating system might use continuous or flashing lights.

While there are some elementary furnace fixes you can finish on your own, most repairs are best handled by HVAC technicians. When your heater refuses to turn on or provide warmth, contact Home Comfort Heating & Air at 763-276-0617 for professional furnace repair in Elk River.

Our technicians will speedily determine and repair the malfunction, even if you don’t use a Lennox heater. We can fix any types or makes—and get the warmth reintroduced to your residence fast.

What Does the Flickering Light on My Heater Mean?

Your furnace depends on lights to flash code when it requires repairs. It also uses this setup to relay it’s operating like it should.

Correct function consists of:

  • Simultaneous slow flash—heating system operating correctly.
  • Simultaneous fast flash—furnace is beginning to call for heat.

If you notice a solitary light blinking slowly and the other going on and off rapidly, your heater may have a low flame signal. This can occur even when your heating system is working correctly. It signifies the flame sensing rod could be dirty or in the wrong spot on the burner. Contact us at 763-276-0617 for support.

Here are some of the most common faults for Lennox HVAC systems.

Heating System Will Not Kick On

Here are some of the light arrangements you may see when your heater will not or keep running. The bulk of these issues have to be handled by a specialist, like one from Home Comfort Heating & Air.

  1. All LED lights are off. This indicates your HVAC system might not have power. Find the breaker box to make sure the heating system fuse isn’t flipped. Try resetting the fuse if it is in the “off” area. If it promptly turns off after a subsequent reset, don’t touch the breaker and call us at 763-276-0617.
  2. A single light is continuous and the other is flickering slowly. This shows the flame rollout switch is may be not working right. The part is a critical safety device that assists in stopping fires and carbon monoxide. You shouldn’t seek to repair this issue on your own.
  3. One light is flashing quickly and the other is blinking slowly. This often means power polarity has been reversed. Your heater may have a wiring issue that requires specialized help from Home Comfort Heating & Air.
  4. Both lights are flashing slowly. This signifies your heater’s blower motor possibly isn’t working. This part circulates warm air from the heater into your home. We can assist in pinpointing what’s causing an issue with this component.
  5. An individual light is flickering slowly and the other is flashing quickly. This indicates your HVAC system may have not enough voltage or a short circuit. Call our experts at 763-276-0617 for help.
  6. One light is flashing on, on, off while the other flashes on, off, on. This indicates there may be trouble with your heater’s control board or wiring. Home Comfort Heating & Air can locate the fault and handle it.
  7. Both lights display alternate slow flickers. This indicates your heating system may have a flame problem. There could be a problem with its gas supply, gas valve or ignitor control. Call us at 763-276-0617 for assistance.
  8. A single light blinks slowly while the other remains solid. This usually signifies your heater’s limit switch is experiencing an error. The switch keeps your HVAC equipment from overheating. Reach out to the experts at Home Comfort Heating & Air for assistance.

Heating System Blower Operates But No Heat

Here’s what may be broken when you hear your heater’s blower fan on, but you aren’t gaining any warmth.

  • The duo of lights display every other fast flashes. This means your furnace ignitor may be broken. This component kindles fuel in your heating system to make heat and should be fixed by an expert from Home Comfort Heating & Air.

Trust Us for Skilled Furnace Repair

When you have to have your HVAC equipment in working order without delay, depend on the experts at Home Comfort Heating & Air. Our technicians will take care of the error right away and have your rooms feeling cozy again in a short time. Reach out to us at 763-276-0617 or contact us online to schedule an appointment right away.