While your Lennox® furnace isn’t able to speak to you, it possesses a procedure to get your attention when there’s a furnace error.

Its control board has twin LED lights that can share a fault code. Subject to the issue, your furnace could display solid or flashing lights.

Although there are various elementary HVAC adjustments you can complete on your own, the majority of repairs are best taken care of by HVAC technicians. When your heating system won’t kick on or provide heat, reach out to Fal-Ken Heating & Cooling Corporation at 631-460-5159 for professional furnace repair in Holbrook.

Our technicians will speedily discover and handle the malfunction, even if you don’t own a Lennox heating system. We can repair whichever types or configuration—and get the comfort reintroduced to your home quickly.

What Does the Flashing Light on My Heater Mean?

Your heating system depends on lights to flash code when it requires repairs. It also engages these lights to relay it’s working properly.

Normal heating consists of:

  • Concurrent slow flash—furnace working like it should.
  • Simultaneous fast flash—heater is starting to call for heat.

If you see a lone light going on and off slowly and the other flashing quickly, your heating system may have a low flame signal. This can happen even when your heater is working correctly. It indicates the flame sensing rod could be dirty or in the bad location on the burner. Contact us at 631-460-5159 for assistance.

Here are a few other of the most common faults for Lennox furnaces.

Furnace Won’t Kick On

Here are some of the light arrangements you could observe when your heating system will not or keep running. The bulk of these problems need to be fixed by a specialist, for instance from Fal-Ken Heating & Cooling Corporation.

  1. Both LED lights are extinguished. This signifies your heater might not be receiving power. Look at the breaker box to make sure the heating system fuse is not triggered. Attempt to reset the fuse if it is in the “off” position. If it instantly trips after you reset it, don’t try to reset it again and contact us at 631-460-5159.
  2. One light is continuous and the other is blinking slowly. This signifies the flame rollout switch is possibly malfunctioning. The part is an essential safety device that helps in preventing fires and carbon monoxide. You shouldn’t try to handle this problem yourself.
  3. A single light is blinking fast and the other is flickering slowly. This often means power polarity has been transposed. Your heating system could have a wiring issue that needs specialized assistance from Fal-Ken Heating & Cooling Corporation.
  4. The duo of lights are flickering slowly. This indicates your heating system’s blower motor possibly isn’t working. This part sends warm air from the furnace into your residence. We can assist in determining what’s causing an issue with this piece.
  5. A single light is flickering slowly and the other is blinking fast. This signifies your heater may have low voltage or a short circuit. Reach out to our technicians at 631-460-5159 for assistance.
  6. One light is flickering on, on, off while the other flickers on, off, on. This means there may be a fault with your heating system’s control board or wiring. Fal-Ken Heating & Cooling Corporation can locate the issue and take care of it.
  7. The pair of lights display alternating slow flashes. This means your heater likely has a flame problem. There might be trouble with its gas supply, gas valve or ignitor control. Reach out to us at 631-460-5159 for support.
  8. A single light blinks slowly while the other remains continuous. This often means your heating system’s limit switch is experiencing an error. The switch keeps your HVAC equipment from overheating. Reach out to the professionals at Fal-Ken Heating & Cooling Corporation for help.

Furnace Blower Operates But No Warm Air

Here’s what may be at fault when you hear your heating system’s blower fan on, but you aren’t getting any warm air.

  • The duo of lights are giving alternate quick blinks. This indicates your furnace ignitor might be broken. This component lights gas in your furnace to make heat and should be serviced by a specialist from Fal-Ken Heating & Cooling Corporation.

Trust Us for Expert Furnace Repair

When you have to have your heating system in working order fast, depend on the specialists at Fal-Ken Heating & Cooling Corporation. Our techs will fix the issue quickly and have your space feeling comfortable again in a short time. Get in touch with us at 631-460-5159 or contact us online to schedule an appointment right away.