While your Lennox® heater cannot talk to you, it possesses a way to tell you about a furnace error.

Its control board has two LED lights that can show a fault code. Depending on the failure, your heating system may use steady or flashing lights.

While there are various elementary heating repairs you can take care of without an expert, the majority of fixes are best handled by experts. When your heater will not kick on or provide heated air, get in touch with Schraer Heating & Air Conditioning at 636-456-5041 for experienced furnace repair in Warrenton.

Our technicians will swiftly identify and repair the breakdown, even if you don’t use a Lennox heating system. We can service all kinds or configuration—and get the comfort returned to your house without delay.

What Does the Flickering Light on My Furnace Mean?

Your heater relies on lights to flash code when it isn’t working right. It also uses this system to let you know it’s operating like it should.

Regular function includes:

  • Simultaneous slow flash—furnace operating properly.
  • Simultaneous fast flash—furnace is initiating the call for heat.

If you see a single light flashing slowly and the other blinking rapidly, your heating system could have a low flame signal. This can happen even when your heating system is working properly. It signifies the flame sensing rod might have buildup or in the wrong spot on the burner. Contact us at 636-456-5041 for support.

Here are several other of the most routine problems for Lennox furnaces.

Heating System Refuses to Kick On

Here are a few of the light patterns you might notice when your furnace refuses to or keep running. Most of these errors must be fixed by a specialist, such as one from Schraer Heating & Air Conditioning.

  1. The pair of LED lights are off. This indicates your HVAC system might not have power. Examine the breaker box to ensure the furnace fuse is not flipped. Try resetting the fuse if it’s in the “off” area. If it instantly flips after a subsequent reset, don’t touch the breaker and contact us at 636-456-5041.
  2. An individual light is continuous and the other is flickering slowly. This shows the flame rollout switch is may be malfunctioning. The part is a critical safety device that helps in stopping fires and carbon monoxide. You shouldn’t try to fix this fault on your own.
  3. One light is flashing rapidly and the other is flickering slowly. This likely means power polarity has been inverted. Your heater may have a wiring fault that needs professional aid from Schraer Heating & Air Conditioning.
  4. The duo of lights are flickering slowly. This indicates your furnace’s blower motor possibly isn’t running. This part circulates hot air from the HVAC system into your home. We can help in figuring out what’s wrong with this part.
  5. An individual light is flickering slowly and the other is blinking rapidly. This means your heater could have not enough voltage or a short circuit. Call our technicians at 636-456-5041 for support.
  6. One light is blinking on, on, off while the other blinks on, off, on. This indicates there could be an issue with your heating system’s motherboard or wiring. Schraer Heating & Air Conditioning can locate the error and take care of it.
  7. Both lights display every other slow blinks. This signifies your heater likely has a flame failure. There might be trouble with its gas supply, gas valve or ignitor control. Get in touch with us at 636-456-5041 for support.
  8. An individual light blinks slowly while the other stays continuous. This usually signifies your HVAC equipment’s limit switch is experiencing an error. The switch keeps your heating system from becoming too warm. Get in touch with the pros at Schraer Heating & Air Conditioning for help.

Heating System Blower Operates But No Warm Air

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

  • Both lights display every other quick blinks. This signifies your furnace ignitor may be broken. This piece lights energy in your heating system to create warmth and should be serviced by an expert from Schraer Heating & Air Conditioning.

Turn to Us for Expert Furnace Repair

When you need to get your heating system in working order fast, trust the specialists at Schraer Heating & Air Conditioning. Our pros will fix the issue quickly and have your residence feeling relaxing again soon. Get in touch with us at 636-456-5041 or contact us online to get an appointment today.