While your Lennox® heating system can’t chat with you, it possesses a way to get your attention when there’s a furnace error.
Its motherboard has two LED lights that can show a fault code. Subject to the issue, your heater might use continuous or flashing lights.
While there are various simple heating fixes you can complete yourself, many repairs are best left to the professionals. When your heating system refuses to turn on or give warmth, reach out to Fire & Ice HVAC at 703-595-4157 for professional furnace repair in Woodbridge.
Our experts will speedily discover and repair the breakdown, even if you don’t own a Lennox heater. We can repair all kinds or makes—and get the comfort returned to your residence quickly.
What Does the Flashing Light on My Furnace Mean?
Your heating system uses lights to flash code when it is malfunctioning. It also works this setup to tell you it’s working correctly.
Normal operation consists of:
- Simultaneous slow flash—heater running correctly.
- Simultaneous fast flash—furnace is starting to call for heat.
If you realize that a single light blinking slowly and the other blinking quickly, your furnace might be having a low flame signal. This can occur even when your heating system is heating properly. It indicates the flame sensing rod may have buildup or in the incorrect spot on the burner. Call us at 703-595-4157 for support.
Here are several other of the most typical problems for Lennox HVAC systems.
Heating System Won’t Kick On
Here are many of the light patterns you could observe when your heating system refuses to or keep heating. The majority of these issues have to be taken care of by a professional, for instance from Fire & Ice HVAC.
- The duo of LED lights are extinguished. This signifies your heating system might not have power. Find the breaker box to make sure the heating system fuse has not flipped. Try resetting the fuse if it is in the “off” position. If it instantly trips after a subsequent reset, don’t try to reset it again and get in touch with us us at 703-595-4157.
- A single light is continuous and the other is flickering slowly. This shows the flame rollout switch is may be not working right. The switch is an essential safety guard that helps in stopping fires and carbon monoxide. You shouldn’t seek to handle this fault on your own.
- A single light is blinking quickly and the other is flashing slowly. This often means power polarity has been inverted. Your heating system may have a wiring fault that needs expert help from Fire & Ice HVAC.
- Both lights are blinking slowly. This means your heating system’s blower motor probably isn’t operating. This part distributes heated air from the heating system into your space. We can help in determining what’s causing a problem with this piece.
- A single light is flickering slowly and the other is flickering rapidly. This means your HVAC system may have not enough voltage or a short circuit. Call our experts at 703-595-4157 for assistance.
- One light is flickering on, on, off while the other flickers on, off, on. This indicates there may be an issue with your HVAC system’s control panel or wiring. Fire & Ice HVAC can find the issue and repair it.
- The duo of lights are using alternate slow flickers. This means your HVAC system may have a flame issue. There might be a problem with its gas supply, gas valve or ignitor control. Reach out to us at 703-595-4157 for help.
- A single light flashes slowly while the other remains steady. This usually indicates your HVAC system’s limit switch is not working. The switch prevents your HVAC equipment from getting too hot. Call the experts at Fire & Ice HVAC for help.
Heating System Blower Works But No Heat
Here’s what might be wrong when you notice your heater’s blower fan working, but you aren’t receiving any heated air.
- The pair of lights are showing every other rapid flashes. This indicates your furnace ignitor may be broken. This component ignites energy in your HVAC equipment to create warmth and should be serviced by a specialist from Fire & Ice HVAC.
Turn to Us for Expert Furnace Repair
When you have to have your heater in working order fast, depend on the specialists at Fire & Ice HVAC. Our techs will fix the error right away and have your house feeling cozy again in no time. Contact us at 703-595-4157 or contact us online to request an appointment now.