While your Lennox® heating system isn’t able to chat with you, it possesses a process to get your attention when there’s a furnace error.

Its control panel has double LED lights that can display a fault code. Based on the failure, your heating system may use continuous or flashing lights.

Though there are certain elementary furnace adjustments you can complete without an expert, the majority of tasks are best taken care of by HVAC technicians. When your heating system won’t kick on or deliver warmth, get in touch with Ilten's at 319-208-2351 for expert furnace repair in Cedar Rapids.

Our experts will speedily detect and take care of the malfunction, even if you don’t own a Lennox heating system. We can service any kinds or configuration—and get the warmth reintroduced to your house quickly.

What Does the Flickering Light on My Furnace Mean?

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

Normal operation consists of:

  • Simultaneous slow flash—heater working like it should.
  • Both lights flash fast—heating system is starting to call for heat.

If you realize that a solitary light blinking slowly and the other going on and off fast, your furnace could be experiencing a low flame signal. This can occur even when your heater is running correctly. It means the flame sensing rod could need to be cleaned or in the wrong location on the burner. Reach out to us at 319-208-2351 for support.

Here are a few other of the most common faults for Lennox heating systems.

Heating System Refuses to Kick On

Here are a few of the light arrangements you could see when your heat won’t turn on or keep running. The majority of these issues have to be fixed by an expert, like one from Ilten's.

  1. Both LED lights are extinguished. This means your HVAC system might not have power. Go to the breaker box to ensure the furnace fuse is not triggered. You should reset the fuse if it is in the “off” area. If it rapidly turns off after you reset it, don’t touch the breaker and contact us at 319-208-2351.
  2. A single light is unchanging and the other is blinking slowly. This signifies the flame rollout switch is may be not working right. The component is a critical safety mechanism that assists in stopping fires and carbon monoxide. You shouldn’t seek to take care of this fault on your own.
  3. One light is flickering fast and the other is blinking slowly. This typically means power polarity has been transposed. Your heater may have a wiring fault that needs specialized help from Ilten's.
  4. All lights are flickering slowly. This means your furnace’s blower motor likely isn’t working. This piece circulates hot air from the furnace into your space. We can assist in pinpointing what’s causing an issue with this piece.
  5. An individual light is flickering slowly and the other is flashing fast. This indicates your heater could have insufficient voltage or a short circuit. Contact our specialists at 319-208-2351 for help.
  6. One light is flickering on, on, off while the other blinks on, off, on. This means there could be trouble with your HVAC system’s control board or wiring. Ilten's can pinpoint the problem and fix it.
  7. Both lights are using every other slow blinks. This indicates your heater likely has a flame issue. There could be a problem with its gas supply, gas valve or ignitor control. Call us at 319-208-2351 for support.
  8. A single light blinks slowly while the other stays solid. This often signifies your HVAC equipment’s limit switch is malfunctioning. The switch stops your HVAC system from becoming too warm. Get in touch with the professionals at Ilten's for support.

Furnace Blower Operates But No Warm Air

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

  • The duo of lights are showing every other quick blinks. This means your furnace ignitor might not be in working order. This component lights fuel in your furnace to make heat and should be fixed by an expert from Ilten's.

Trust Us for Skilled Furnace Repair

When you have to have your heater fixed quickly, depend on the specialists at Ilten's. Our techs will repair the fault without delay and have your rooms feeling cozy again soon. Reach out to us at 319-208-2351 or contact us online to schedule an appointment now.