While your Lennox® furnace cannot chat with you, it has a procedure to communicate a furnace error.

Its control panel has two LED lights that can share a fault code. Depending on the fault, your heating system may use solid or flashing lights.

Although there are various elementary heating repairs you can do without an expert, most tasks are best left to the professionals. When your heater won’t kick on or give heat, reach out to Tri City Fuel & Heating at 803-265-4208 for skilled furnace repair in West Columbia.

Our experts will rapidly identify and handle the malfunction, even if you don’t own a Lennox heater. We can service any brands or makes—and get the warmth reintroduced to your house without delay.

What Does the Blinking Light on My Heater Mean?

Your furnace depends on lights to flash code when it isn’t working right. It also works these lights to tell you it’s operating like it should.

Correct heating consists of:

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

If you notice a solitary light going on and off slowly and the other going on and off quickly, your heating system might have a low flame signal. This can take place even when your furnace is working like it should. It signifies the flame sensing rod might be dirty or in the wrong area on the burner. Contact us at 803-265-4208 for support.

Here are some of the most routine problems for Lennox furnaces.

Heating System Won’t Kick On

Here are a few of the light patterns you could observe when your furnace will not or keep heating. The bulk of these problems must be repaired by an expert, such as one from Tri City Fuel & Heating.

  1. The duo of LED lights are extinguished. This signifies your heater might not have power. Go to the breaker box to confirm the heating system fuse has not flipped. Try resetting the fuse if it’s in the “off” position. If it immediately turns off after you reset it, don’t touch the breaker and contact us at 803-265-4208.
  2. An individual light is continuous and the other is flashing slowly. This implies the flame rollout switch is likely not working right. The component is an essential safety device that assists in avoiding fires and carbon monoxide. You shouldn’t try to handle this fault without professional help.
  3. An individual light is flickering rapidly and the other is flickering slowly. This likely signifies power polarity has been reversed. Your heating system might have a wiring issue that requires professional assistance from Tri City Fuel & Heating.
  4. All lights are flickering slowly. This means your furnace’s blower motor probably isn’t running. This piece distributes hot air from the HVAC system into your space. We can assist in pinpointing what’s causing an issue with this part.
  5. One light is flashing slowly and the other is flickering rapidly. This indicates your HVAC system may have not enough voltage or a short circuit. Call our technicians at 803-265-4208 for assistance.
  6. One light is flashing on, on, off while the other blinks on, off, on. This indicates there could be a malfunction with your heating system’s motherboard or wiring. Tri City Fuel & Heating can find the fault and handle it.
  7. The duo of lights show alternating slow flashes. This means your HVAC equipment possibly has a flame failure. There might be an issue with its gas supply, gas valve or ignitor control. Contact us at 803-265-4208 for help.
  8. A single light blinks slowly while the other remains steady. This typically indicates your HVAC system’s limit switch is malfunctioning. The switch prevents your HVAC system from getting too hot. Call the professionals at Tri City Fuel & Heating for help.

Furnace Blower Works But No Warm Air

Here’s what could be wrong when you notice your heating system’s blower fan working, but you aren’t gaining any heated air.

  • Both lights display alternate quick blinks. This signifies your furnace ignitor may not be working. This piece lights fuel in your heater to create warmth and should be repaired by an expert from Tri City Fuel & Heating.

Depend on Us for Expert Furnace Repair

When you have to have your heater in working order quickly, depend on the professionals at Tri City Fuel & Heating. Our pros will handle the fault quickly and have your rooms feeling comfortable again in no time. Get in touch with us at 803-265-4208 or contact us online to request an appointment right away.