While your Lennox® furnace isn’t able to speak to you, it does have a process to tell you about a furnace error.

Its motherboard has twin LED lights that can share a fault code. Subject to the problem, your heater could display solid or flashing lights.

While there are various elementary heating repairs you can finish yourself, the majority of repairs are best handled by the professionals. When your heating system will not start or put out heated air, call Wallpe Heating & Cooling at 812-663-7252 for professional furnace repair in Greensburg.

Our technicians will speedily identify and take care of the issue, even if you don’t have a Lennox heating system. We can repair all kinds or makes—and get the heat reintroduced to your home fast.

What Does the Flashing Light on My Heater Mean?

Your heating system depends on lights to flash code when it is malfunctioning. It also works these lights to tell you it’s heating properly.

Regular function consists of:

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

If you realize that a lone light going on and off slowly and the other flashing quickly, your heating system might have a low flame signal. This can take place even when your furnace is working correctly. It signifies the flame sensing rod might have buildup or in the incorrect area on the burner. Reach out to us at 812-663-7252 for support.

Here are some of the most typical problems for Lennox heating systems.

Heating System Will Not Turn On

Here are some of the light sequences you could observe when your heater won’t turn on or keep running. Most of these errors must be taken care of by a specialist, for instance from Wallpe Heating & Cooling.

  1. The duo of LED lights aren’t lit. This indicates your heating system might not have power. Examine the breaker box to make sure the heater fuse has not flipped. Attempt to reset the fuse if it is in the “off” area. If it rapidly flips after a subsequent reset, don’t touch the breaker and contact us at 812-663-7252.
  2. One light is stable and the other is flickering slowly. This signifies the flame rollout switch is may be malfunctioning. The switch is a critical safety device that helps in preventing fires and carbon monoxide. You shouldn’t seek to fix this issue without professional help.
  3. One light is blinking fast and the other is flashing slowly. This likely signifies power polarity has been transposed. Your heater could have a wiring fault that needs specialized support from Wallpe Heating & Cooling.
  4. The duo of lights are flickering slowly. This signifies your heating system’s blower motor possibly isn’t working. This part moves heated air from the heater into your space. We can assist in pinpointing what’s wrong with this piece.
  5. One light is flickering slowly and the other is blinking rapidly. This indicates your HVAC system may have insufficient voltage or a short circuit. Reach out to our specialists at 812-663-7252 for support.
  6. One light is flickering on, on, off while the other blinks on, off, on. This signifies there could be a fault with your HVAC system’s control board or wiring. Wallpe Heating & Cooling can pinpoint the error and fix it.
  7. Both lights display every other slow flashes. This means your heating system possibly has a flame failure. There may be an issue with its gas supply, gas valve or ignitor control. Reach out to us at 812-663-7252 for support.
  8. An individual light blinks slowly while the other remains continuous. This usually signifies your heating system’s limit switch is not working. The switch prevents your heater from becoming too warm. Reach out to the specialists at Wallpe Heating & Cooling for support.

Furnace Blower Operates But No Warm Air

Here’s what could be broken when you observe your heating system’s blower fan working, but you aren’t gaining any warm air.

  • The pair of lights are giving alternate quick flashes. This signifies your furnace ignitor may be broken. This part kindles gas in your HVAC equipment to make warmth and should be serviced by an expert from Wallpe Heating & Cooling.

Depend on Us for Expert Furnace Repair

When you need to have your heater repaired fast, trust the professionals at Wallpe Heating & Cooling. Our pros will take care of the error without delay and have your house feeling relaxing again soon. Contact us at 812-663-7252 or contact us online to schedule an appointment right away.