While your Lennox® furnace cannot chat with you, it possesses a way to get your attention when there’s a furnace error.

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

Though there are some elementary HVAC fixes you can finish on your own, many fixes are best handled by experts. When your heater will not kick on or put out heated air, reach out to House of Heating Incorporated at 715-384-3163 for skilled furnace repair in Marshfield.

Our specialists will speedily discover and fix the malfunction, even if you don’t use a Lennox heating system. We can service all types or configuration—and get the warmth reintroduced to your residence quickly.

What Does the Flashing Light on My Heater Mean?

Your heating system relies on lights to flash code when it isn’t working right. It also engages this system to tell you it’s heating correctly.

Correct function involves:

  • Simultaneous slow flash—heating system working like it should.
  • Concurrent fast flash—furnace is initiating the call for heat.

If you notice a lone light blinking slowly and the other blinking fast, your heating system may be experiencing a low flame signal. This can occur even when your heater is operating like it should. It means the flame sensing rod could need to be cleaned or in the bad area on the burner. Contact us at 715-384-3163 for help.

Here are some of the most routine problems for Lennox heaters.

Heater Will Not Kick On

Here are some of the light arrangements you could notice when your heating system will not or keep running. The bulk of these problems need to be handled by a professional, for instance from House of Heating Incorporated.

  1. The pair of LED lights are extinguished. This means your HVAC system might not have electricity. Find the breaker box to make sure the heater fuse has not tripped. You should reset the fuse if it’s in the “off” position. If it promptly trips following a reset, don’t try to reset it again and call us at 715-384-3163.
  2. An individual light is stable and the other is flashing slowly. This signifies the flame rollout switch is may be not working right. The component is a critical safety guard that aids in stopping fires and carbon monoxide. You shouldn’t seek to fix this fault on your own.
  3. An individual light is blinking rapidly and the other is blinking slowly. This likely indicates power polarity has been transposed. Your heater could have a wiring problem that requires professional help from House of Heating Incorporated.
  4. Both lights are flashing slowly. This signifies your heating system’s blower motor possibly isn’t running. This piece circulates warm air from the heating system into your rooms. We can help in determining what’s causing a problem with this piece.
  5. An individual light is flashing slowly and the other is flickering quickly. This indicates your heater might have low voltage or a short circuit. Get in touch with our specialists at 715-384-3163 for help.
  6. One light is flickering on, on, off while the other flickers on, off, on. This means there may be trouble with your heater’s control board or wiring. House of Heating Incorporated can determine the fault and fix it.
  7. Both lights show alternate slow flashes. This indicates your heating system likely has a flame error. There could be trouble with its gas supply, gas valve or ignitor control. Contact us at 715-384-3163 for support.
  8. A single light flashes slowly while the other stays solid. This often indicates your HVAC equipment’s limit switch is experiencing an error. The switch stops your HVAC system from overheating. Reach out to the specialists at House of Heating Incorporated for help.

Furnace Blower Operates But No Heat

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

  • The pair of lights are giving every other rapid flickers. This means your furnace ignitor might be broken. This piece lights energy in your heater to create heat and should be serviced by a technician from House of Heating Incorporated.

Trust Us for Expert Furnace Repair

When you need to get your heater repaired fast, depend on the professionals at House of Heating Incorporated. Our pros will fix the issue right away and have your residence feeling cozy again in a short time. Reach out to us at 715-384-3163 or contact us online to get an appointment right away.