While your Lennox® HVAC equipment cannot chat with you, it possesses a way to communicate a furnace error.

Its motherboard has double LED lights that can display a fault code. Subject to the fault, your furnace might use steady or flashing lights.

While there are a few simple HVAC fixes you can do on your own, many repairs are best taken care of by experts. When your heating system refuses to kick on or give warmth, get in touch with Western Mechanical, Inc. at 435-753-5515 for expert furnace repair in Cache Valley.

Our experts will swiftly detect and fix the malfunction, even if you don’t own a Lennox heater. We can fix all types or models—and get the warmth reintroduced to your home without delay.

What Does the Flickering Light on My Furnace Mean?

Your heater relies on lights to flash code when it requires repairs. It also uses these lights to relay it’s heating like it should.

Correct function involves:

  • Concurrent slow flash—heater running properly.
  • Simultaneous fast flash—heater is starting to call for heat.

If you see a lone light going on and off slowly and the other blinking quickly, your heater could be having a low flame signal. This can happen even when your heating system is heating properly. It signifies the flame sensing rod might be dirty or in the bad location on the burner. Call us at 435-753-5515 for help.

Here are some of the most common issues for Lennox HVAC systems.

Furnace Won’t Start

Here are a few of the light patterns you could notice when your heat will not or keep operating. The bulk of these issues have to be handled by a specialist, such as one from Western Mechanical, Inc..

  1. Both LED lights are off. This signifies your heater might not have electricity. Go to the breaker box to confirm the heating system fuse has not triggered. You should reset the fuse if it’s in the “off” position. If it rapidly turns off after you reset it, don’t try to reset it again and get in touch with us us at 435-753-5515.
  2. One light is unchanging and the other is flickering slowly. This implies the flame rollout switch is possibly malfunctioning. The switch is a critical safety device that assists in stopping fires and carbon monoxide. You shouldn’t try to repair this malfunction yourself.
  3. An individual light is flashing fast and the other is flashing slowly. This likely signifies power polarity has been reversed. Your heater may have a wiring error that requires professional assistance from Western Mechanical, Inc..
  4. All lights are blinking slowly. This signifies your furnace’s blower motor probably isn’t operating. This component distributes hot air from the heater into your home. We can help in pinpointing what’s causing a problem with this component.
  5. A single light is flickering slowly and the other is flashing rapidly. This indicates your HVAC system might have low voltage or a short circuit. Call our technicians at 435-753-5515 for support.
  6. One light is blinking on, on, off while the other flashes on, off, on. This means there may be trouble with your heater’s motherboard or wiring. Western Mechanical, Inc. can determine the problem and repair it.
  7. Both lights display every other slow flashes. This means your HVAC equipment may have a flame issue. There may be a problem with its gas supply, gas valve or ignitor control. Reach out to us at 435-753-5515 for help.
  8. A single light flickers slowly while the other stays steady. This typically indicates your HVAC system’s limit switch is experiencing an error. The switch prevents your HVAC system from overheating. Get in touch with the pros at Western Mechanical, Inc. for assistance.

Heater Blower Runs But No Warmth

Here’s what may be at fault when you observe your heating equipment’s blower fan working, but you aren’t receiving any warmth.

  • The pair of lights are showing alternate quick blinks. This signifies your furnace ignitor might not be working. This part lights fuel in your HVAC equipment to create warmth and should be serviced by a specialist from Western Mechanical, Inc..

Depend on Us for Professional Furnace Repair

When you have to have your heater in working order fast, turn to the specialists at Western Mechanical, Inc.. Our pros will fix the issue right away and have your residence feeling relaxing again soon. Reach out to us at 435-753-5515 or contact us online to get an appointment right away.