While your Lennox® heater cannot talk to you, it does have a procedure to get your attention when there’s a furnace error.

Its control board has two LED lights that can share a fault code. Based on the issue, your furnace might display solid or flashing lights.

Though there are certain simple furnace fixes you can finish on your own, most services are best taken care of by the professionals. When your heating system refuses to start or provide warmth, contact Indoor Comfort Systems HVAC at 215-741-5505 for experienced furnace repair in Croydon.

Our specialists will swiftly identify and take care of the problem, even if you don’t use a Lennox heater. We can fix all types or configuration—and get the warmth reintroduced to your residence without delay.

What Does the Blinking Light on My Furnace Mean?

Your heating system depends on lights to flash code when it requires repairs. It also works these lights to relay it’s working correctly.

Normal operation involves:

  • Concurrent slow flash—heater working correctly.
  • Concurrent fast flash—furnace is initiating the call for heat.

If you see a solitary light blinking slowly and the other flashing rapidly, your furnace could be having a low flame signal. This can take place even when your heating system is heating properly. It means the flame sensing rod might need to be cleaned or in the bad spot on the burner. Contact us at 215-741-5505 for support.

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

Heating System Refuses to Start

Here are a few of the light arrangements you may notice when your heater won’t turn on or keep operating. The bulk of these issues have to be fixed by an expert, like one from Indoor Comfort Systems HVAC.

  1. The duo of LED lights aren’t lit. This means your heater might not have power. Find the breaker box to confirm the furnace fuse has not triggered. You should reset the fuse if it’s in the “off” area. If it rapidly trips after a subsequent reset, don’t touch the breaker and contact us at 215-741-5505.
  2. A single light is unchanging and the other is flashing slowly. This signifies the flame rollout switch is may be malfunctioning. The component is an essential safety guard that aids in stopping fires and carbon monoxide. You shouldn’t try to handle this problem yourself.
  3. An individual light is blinking fast and the other is flickering slowly. This likely indicates power polarity has been reversed. Your heater could have a wiring issue that needs professional aid from Indoor Comfort Systems HVAC.
  4. The pair of lights are flickering slowly. This signifies your furnace’s blower motor possibly isn’t operating. This component distributes warm air from the heating system into your house. We can help in figuring out what’s causing an issue with this part.
  5. An individual light is flickering slowly and the other is flickering rapidly. This indicates your heating system could have insufficient voltage or a short circuit. Reach out to our technicians at 215-741-5505 for support.
  6. One light is flashing on, on, off while the other flashes on, off, on. This means there could be an issue with your heater’s control board or wiring. Indoor Comfort Systems HVAC can determine the error and handle it.
  7. The pair of lights display every other slow flickers. This signifies your HVAC equipment may have a flame error. There may be a problem with its gas supply, gas valve or ignitor control. Call us at 215-741-5505 for support.
  8. An individual light flickers slowly while the other remains continuous. This usually signifies your HVAC equipment’s limit switch is malfunctioning. The switch prevents your heating system from getting too hot. Reach out to the experts at Indoor Comfort Systems HVAC for help.

Furnace Blower Runs But No Warmth

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

  • The duo of lights are showing every other rapid flickers. This indicates your furnace ignitor might not be working. This piece lights energy in your furnace to make warm air and should be repaired by a specialist from Indoor Comfort Systems HVAC.

Depend on Us for Skilled Furnace Repair

When you have to get your HVAC equipment in working order quickly, turn to the technicians at Indoor Comfort Systems HVAC. Our technicians will repair the fault without delay and have your residence feeling comfortable again in a short time. Get in touch with us at 215-741-5505 or contact us online to schedule an appointment today.