While your Lennox® heater isn’t able to speak to you, it possesses a procedure to get your attention when there’s a furnace error.

Its control panel has two LED lights that can display a fault code. Based on the failure, your heater might show steady or flashing lights.

Although there are certain elementary furnace fixes you can take care of yourself, most services are best left to experts. When your heating system won’t kick on or put out heat, contact Temperature Doctors Heating & Cooling at (815) 914-6197 for professional furnace repair in Rockford.

Our specialists will speedily identify and repair the breakdown, even if you don’t have a Lennox heating system. We can fix any kinds or configuration—and get the warmth reintroduced to your residence without delay.

What Does the Flickering Light on My Heating System Mean?

Your furnace uses lights to flash code when it isn’t working right. It also engages this setup to relay it’s operating correctly.

Normal function includes:

  • Simultaneous slow flash—furnace operating correctly.
  • Concurrent fast flash—furnace is beginning to call for heat.

If you realize that a lone light blinking slowly and the other flashing rapidly, your heater may be having a low flame signal. This can occur even when your furnace is heating correctly. It means the flame sensing rod could have buildup or in the wrong spot on the burner. Contact us at (815) 914-6197 for assistance.

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

Furnace Won’t Turn On

Here are a few of the light sequences you may notice when your furnace refuses to or keep operating. Most of these errors must be fixed by a professional, for instance from Temperature Doctors Heating & Cooling.

  1. Both LED lights are extinguished. This signifies your heater might not have power. Find the breaker box to ensure the heater fuse isn’t triggered. Try resetting the fuse if it is in the “off” area. If it rapidly flips following a reset, don’t try to reset it again and contact us at (815) 914-6197.
  2. A single light is continuous and the other is blinking slowly. This implies the flame rollout switch is likely malfunctioning. The switch is an essential safety tool that helps in preventing fires and carbon monoxide. You shouldn’t attempt to fix this fault yourself.
  3. An individual light is blinking rapidly and the other is flashing slowly. This often means power polarity has been inverted. Your furnace may have a wiring problem that requires expert support from Temperature Doctors Heating & Cooling.
  4. The duo of lights are flickering slowly. This means your furnace’s blower motor likely isn’t operating. This piece distributes hot air from the heater into your house. We can assist in figuring out what’s causing a problem with this part.
  5. A single light is blinking slowly and the other is flashing rapidly. This means your heating system might have insufficient voltage or a short circuit. Call our experts at (815) 914-6197 for assistance.
  6. One light is blinking on, on, off while the other flickers on, off, on. This signifies there might be trouble with your HVAC system’s control board or wiring. Temperature Doctors Heating & Cooling can locate the problem and repair it.
  7. The duo of lights show alternate slow blinks. This indicates your HVAC system may have a flame error. There might be trouble with its gas supply, gas valve or ignitor control. Call us at (815) 914-6197 for assistance.
  8. An individual light flashes slowly while the other remains continuous. This typically signifies your HVAC system’s limit switch is malfunctioning. The switch stops your HVAC equipment from getting too hot. Reach out to the pros at Temperature Doctors Heating & Cooling for help.

Furnace Blower Operates But No Heat

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

  • The duo of lights display every other fast blinks. This means your furnace ignitor could not be working. This piece kindles fuel in your heating system to produce warm air and should be repaired by a specialist from Temperature Doctors Heating & Cooling.

Turn to Us for Skilled Furnace Repair

When you need to get your heater in working order without delay, trust the professionals at Temperature Doctors Heating & Cooling. Our technicians will repair the issue quickly and have your house feeling comfortable again in a short time. Reach out to us at (815) 914-6197 or contact us online to request an appointment now.