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

Its control board has two LED lights that can display a fault code. Depending on the problem, your furnace might display continuous or flashing lights.

Though there are some basic HVAC adjustments you can finish yourself, the majority of services are best handled by HVAC technicians. When your furnace will not start or provide warmth, call Tokay at 209-257-3156 for skilled furnace repair in Lodi.

Our experts will swiftly detect and handle the issue, even if you don’t own a Lennox heating system. We can repair any brands or models—and get the heat returned to your residence quickly.

What Does the Flickering Light on My Heater Mean?

Your furnace depends on lights to flash code when it requires repairs. It also works this setup to tell you it’s heating correctly.

Regular heating involves:

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

If you notice a solitary light flashing slowly and the other flashing fast, your furnace may have a low flame signal. This can occur even when your heating system is running properly. It signifies the flame sensing rod might have buildup or in the wrong spot on the burner. Contact us at 209-257-3156 for support.

Here are a few other of the most typical errors for Lennox furnaces.

Heater Won’t Turn On

Here are some of the light sequences you could see when your furnace refuses to or keep operating. The majority of these errors need to be handled by a technician, such as one from Tokay.

  1. The duo of LED lights are off. This indicates your HVAC system might not be receiving power. Look at the breaker box to ensure the furnace fuse isn’t triggered. You should reset the fuse if it is in the “off” spot. If it promptly flips following a reset, don’t try to reset it again and call us at 209-257-3156.
  2. A single light is stable and the other is flashing slowly. This signifies the flame rollout switch is likely open. The part is a critical safety mechanism that aids in preventing fires and carbon monoxide. You shouldn’t seek to take care of this issue yourself.
  3. One light is blinking rapidly and the other is flickering slowly. This typically indicates power polarity has been inverted. Your furnace may have a wiring fault that requires specialized aid from Tokay.
  4. Both lights are flickering slowly. This means your heating system’s blower motor probably isn’t running. This part circulates hot air from the heater into your house. We can help in pinpointing what’s wrong with this part.
  5. One light is blinking slowly and the other is blinking quickly. This signifies your HVAC system might have low voltage or a short circuit. Call our specialists at 209-257-3156 for assistance.
  6. One light is blinking on, on, off while the other flickers on, off, on. This signifies there may be a fault with your heating system’s motherboard or wiring. Tokay can determine the fault and fix it.
  7. The pair of lights display alternate slow flickers. This signifies your heater likely has a flame error. There might be trouble with its gas supply, gas valve or ignitor control. Contact us at 209-257-3156 for help.
  8. An individual light flashes slowly while the other remains steady. This often signifies your heating system’s limit switch is experiencing an error. The switch keeps your HVAC equipment from becoming too warm. Call the experts at Tokay for help.

Heating System Blower Works But No Heat

Here’s what may be at fault when you hear your heater’s blower fan running, but you aren’t receiving any warmth.

  • The pair of lights display alternate rapid flashes. This signifies your furnace ignitor may be broken. This piece kindles fuel in your heating system to make warm air and should be fixed by a technician from Tokay.

Turn to Us for Expert Furnace Repair

When you have to get your heating system in working order quickly, depend on the professionals at Tokay. Our pros will handle the error quickly and have your space feeling relaxing again in a short time. Reach out to us at 209-257-3156 or contact us online to schedule an appointment now.