While your Lennox® heater isn’t able to talk to you, it has a method to communicate a furnace error.

Its control board has a set of LED lights that can display a fault code. Depending on the failure, your heating system might use steady or flashing lights.

While there are a few elementary HVAC fixes you can take care of on your own, most tasks are best handled by HVAC technicians. When your heating system won’t start or put out heated air, call Dearing's Service & Solutions at 812-200-5844 for skilled furnace repair in Huntingburg.

Our specialists will swiftly determine and fix the problem, even if you don’t use a Lennox heater. We can repair all brands or models—and get the warmth reintroduced to your home quickly.

What Does the Blinking Light on My Heater Mean?

Your furnace relies on lights to flash code when it is malfunctioning. It also works this setup to tell you it’s heating properly.

Normal heating involves:

  • Concurrent slow flash—heater operating properly.
  • Simultaneous fast flash—heater is starting to call for heat.

If you realize that a lone light blinking slowly and the other flashing rapidly, your furnace might be experiencing a low flame signal. This can happen even when your furnace is heating properly. It indicates the flame sensing rod may need to be cleaned or in the bad spot on the burner. Call us at 812-200-5844 for support.

Here are several other of the most common problems for Lennox heating systems.

Heater Refuses to Kick On

Here are many of the light sequences you might notice when your heater won’t turn on or keep running. Most of these problems have to be fixed by a specialist, for instance from Dearing's Service & Solutions.

  1. All LED lights are extinguished. This signifies your HVAC system might not have electricity. Find the breaker box to make sure the heater fuse has not triggered. You should reset the fuse if it is in the “off” position. If it promptly trips after you reset it, don’t touch the breaker and call us at 812-200-5844.
  2. An individual light is continuous and the other is blinking slowly. This shows the flame rollout switch is may be malfunctioning. The switch is an essential safety device that aids in avoiding fires and carbon monoxide. You shouldn’t seek to handle this issue on your own.
  3. A single light is blinking quickly and the other is blinking slowly. This typically signifies power polarity has been inverted. Your heater may have a wiring problem that calls for specialized assistance from Dearing's Service & Solutions.
  4. The pair of lights are flashing slowly. This signifies your heater’s blower motor likely isn’t working. This piece moves heated air from the heating system into your space. We can help in pinpointing what’s causing an issue with this component.
  5. One light is flashing slowly and the other is flickering rapidly. This means your heating system might have low voltage or a short circuit. Get in touch with our experts at 812-200-5844 for support.
  6. One light is flashing on, on, off while the other flickers on, off, on. This signifies there could be a malfunction with your heating system’s motherboard or wiring. Dearing's Service & Solutions can pinpoint the problem and take care of it.
  7. The duo of lights display alternating slow blinks. This signifies your heater possibly has a flame issue. There may be a problem with its gas supply, gas valve or ignitor control. Reach out to us at 812-200-5844 for assistance.
  8. A single light flashes slowly while the other remains steady. This usually indicates your heating system’s limit switch is experiencing an error. The switch stops your heater from becoming too warm. Call the pros at Dearing's Service & Solutions for help.

Heating System Blower Runs But No Warmth

Here’s what might be broken when you observe your heating equipment’s blower fan working, but you aren’t gaining any heated air.

  • The pair of lights are giving every other quick flickers. This signifies your furnace ignitor may be broken. This part lights energy in your heating system to create warm air and should be serviced by a technician from Dearing's Service & Solutions.

Depend on Us for Expert Furnace Repair

When you need to have your heater fixed fast, depend on the experts at Dearing's Service & Solutions. Our techs will take care of the fault without delay and have your residence feeling relaxing again in no time. Reach out to us at 812-200-5844 or contact us online to get an appointment now.