While your Lennox® heating system isn’t able to chat with you, it has a process to get your attention when there’s a furnace error.
Its control panel has a set of LED lights that can show a fault code. Depending on the failure, your heater may use steady or flashing lights.
While there are some elementary furnace adjustments you can take care of on your own, most fixes are best handled by the professionals. When your heating system refuses to turn on or put out heat, reach out to Central Air LLC at 203-357-5913 for expert furnace repair in Brookfield.
Our technicians will quickly identify and take care of the breakdown, even if you don’t use a Lennox heater. We can fix whichever brands or configuration—and get the comfort reintroduced to your house quickly.
What Does the Blinking Light on My Furnace Mean?
Your furnace uses lights to flash code when it requires repairs. It also works these lights to relay it’s heating properly.
Normal function includes:
- Concurrent slow flash—furnace heating correctly.
- Both lights flash fast—heating system is beginning to call for heat.
If you see a single light going on and off slowly and the other flashing fast, your heating system could be experiencing a low flame signal. This can take place even when your heating system is running correctly. It means the flame sensing rod could have buildup or in the bad spot on the burner. Contact us at 203-357-5913 for assistance.
Here are a few other of the most typical problems for Lennox HVAC systems.
Heating System Will Not Start
Here are many of the light patterns you might notice when your heat will not or keep running. Most of these issues must be repaired by a professional, such as one from Central Air LLC.
- Both LED lights are extinguished. This means your HVAC system might not be receiving power. Find the breaker box to ensure the heating system fuse isn’t triggered. Attempt to reset the fuse if it’s in the “off” area. If it promptly turns off after you reset it, don’t touch the breaker and get in touch with us us at 203-357-5913.
- One light is continuous and the other is blinking slowly. This signifies the flame rollout switch is may be malfunctioning. The component is an essential safety guard that assists in preventing fires and carbon monoxide. You shouldn’t seek to fix this problem yourself.
- A single light is blinking fast and the other is flickering slowly. This likely indicates power polarity has been reversed. Your furnace may have a wiring issue that needs professional help from Central Air LLC.
- The pair of lights are flashing slowly. This means your heater’s blower motor likely isn’t running. This piece distributes heated air from the HVAC system into your rooms. We can aid in determining what’s causing an issue with this part.
- An individual light is flashing slowly and the other is blinking rapidly. This signifies your heating system could have low voltage or a short circuit. Call our experts at 203-357-5913 for assistance.
- One light is blinking on, on, off while the other flashes on, off, on. This means there might be a fault with your HVAC system’s motherboard or wiring. Central Air LLC can determine the fault and take care of it.
- Both lights are using alternating slow flashes. This indicates your HVAC equipment may have a flame failure. There could be an issue with its gas supply, gas valve or ignitor control. Contact us at 203-357-5913 for help.
- An individual light flickers slowly while the other is solid. This usually signifies your heater’s limit switch is experiencing an error. The switch prevents your HVAC equipment from overheating. Get in touch with the pros at Central Air LLC for support.
Heating System Blower Runs But No Warmth
Here’s what could be wrong when you notice your heater’s blower fan working, but you aren’t gaining any warmth.
- Both lights are showing every other quick flickers. This means your furnace ignitor might not be working. This piece lights energy in your heating system to make heat and should be serviced by a technician from Central Air LLC.
Turn to Us for Professional Furnace Repair
When you need to have your HVAC equipment fixed without delay, trust the specialists at Central Air LLC. Our techs will handle the fault quickly and have your residence feeling cozy again in no time. Get in touch with us at 203-357-5913 or contact us online to schedule an appointment today.