While your Lennox® heater isn’t able to talk to you, it does have a method to get your attention when there’s a furnace error.

Its control board has a set of LED lights that can show a fault code. Based on the failure, your heater may show steady or flashing lights.

Though there are a few simple furnace fixes you can complete without an expert, most fixes are best left to experts. When your furnace won’t turn on or give warm air, reach out to Paniccia Heating & Cooling at 219-872-2198 for skilled furnace repair in Michigan City.

Our technicians will swiftly discover and fix the issue, even if you don’t use a Lennox heating system. We can fix all kinds or makes—and get the warmth reintroduced to your residence fast.

What Does the Flashing Light on My Heating System Mean?

Your furnace uses lights to flash code when it is malfunctioning. It also uses these lights to relay it’s operating like it should.

Normal function consists of:

  • Concurrent slow flash—heating system running correctly.
  • Concurrent fast flash—furnace is starting to call for heat.

If you realize that a solitary light blinking slowly and the other going on and off fast, your heating system may have a low flame signal. This can take place even when your heating system is working correctly. It signifies the flame sensing rod might have buildup or in the incorrect location on the burner. Call us at 219-872-2198 for assistance.

Here are several other of the most common faults for Lennox HVAC systems.

Furnace Refuses to Start

Here are many of the light patterns you could see when your heating system won’t turn on or keep running. The bulk of these errors must be handled by a professional, like one from Paniccia Heating & Cooling.

  1. Both LED lights aren’t lit. This indicates your heater might not have power. Examine the breaker box to make sure the furnace fuse has not tripped. Attempt to reset the fuse if it is in the “off” spot. If it instantly trips after a subsequent reset, don’t touch the breaker and contact us at 219-872-2198.
  2. An individual light is stable and the other is flickering slowly. This signifies the flame rollout switch is may be malfunctioning. The switch is an essential safety device that aids in avoiding fires and carbon monoxide. You shouldn’t attempt to handle this issue yourself.
  3. A single light is blinking rapidly and the other is flashing slowly. This often indicates power polarity has been inverted. Your heater may have a wiring problem that needs specialized help from Paniccia Heating & Cooling.
  4. All lights are flickering slowly. This means your furnace’s blower motor likely isn’t running. This part moves warm air from the furnace into your house. We can aid in pinpointing what’s wrong with this part.
  5. One light is flickering slowly and the other is blinking rapidly. This signifies your HVAC system could have insufficient voltage or a short circuit. Reach out to our experts at 219-872-2198 for support.
  6. One light is blinking on, on, off while the other flickers on, off, on. This means there may be a malfunction with your heating system’s control panel or wiring. Paniccia Heating & Cooling can locate the problem and take care of it.
  7. The pair of lights display every other slow flashes. This signifies your HVAC system may have a flame issue. There might be an issue with its gas supply, gas valve or ignitor control. Contact us at 219-872-2198 for assistance.
  8. An individual light flickers slowly while the other stays continuous. This usually signifies your HVAC equipment’s limit switch is experiencing an error. The switch stops your HVAC equipment from getting too hot. Call the pros at Paniccia Heating & Cooling for help.

Heating System Blower Works But No Heat

Here’s what may be broken when you notice your heater’s blower fan running, but you aren’t gaining any heated air.

  • The pair of lights are showing every other fast flashes. This means your furnace ignitor could be broken. This component lights fuel in your HVAC equipment to make warm air and should be serviced by a specialist from Paniccia Heating & Cooling.

Turn to Us for Professional Furnace Repair

When you need to get your heating system repaired fast, trust the experts at Paniccia Heating & Cooling. Our pros will fix the issue quickly and have your residence feeling cozy again in a short time. Get in touch with us at 219-872-2198 or contact us online to request an appointment today.