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Lennox Furnace Error Code 270 Solved in Wasatch Front

Feeling frigid because you’re noticing error code 270 from your Lennox® furnace?

This shows you that your furnace ignitor can’t start the flame. After five failed tries, the furnace will quit trying to ignite. It will then switch into Watchguard mode for about an hour for your safety.

When your ignitor ceases working, it’s best to depend on our ACE-certified technicians. They’ve gone through important training, so you can rest easy knowing they’ll find out what’s creating the furnace error and will mend it to your standards.

We believe in the quality of our furnace repair* for a year.

How a Furnace Ignitor Works

This part ignites natural gas, which helps warm up your home.

Here’s how a furnace ignitor works:

  • Thermostat starts call for heat.
  • Furnace ignitor and blower become energized.
  • Ignitor warms to as hot as 2,500 degrees Fahrenheit and ignites burner gas.

A furnace ignitor should last about three to five years before it breaks and must be changed out. It can wear out sooner if you don’t replace your air filter when needed, since a clogged one can cause your HVAC equipment to short cycle.

What Happens When a Furnace Ignitor Breaks Down

Your furnace will demonstrate for you there’s something wrong with a red flash from its indicator light, which it uses to display error codes. It has this red light to flash code, much like Morse code.

You might see short flashes or an alternating slow flash as it shares a fault code.

Estimated Repair Cost for Furnace Error Code 270

The bill to restore your furnace rests on what’s wrong with it and the amount of time it takes to repair it.

Before your technician replaces your ignitor, he or she will check:

  • Gas flow
  • Flame sensor current
  • Air filter

Your HVAC pro will also make sure the ignitor is truly lighting the burner and that there are no interferences or cracked hoses within your system.

An ignitor always seems to fail when you need it most, prompting an after-hours trip charge.

Here’s the typical costs to replace it:

  • $200 during normal service hours
  • $300 to $400 after hours

Turn to the Experts at Stevenson Service Experts

When you need Expert furnace repair, you can rely on our highly skilled technicians at Stevenson Service Experts. We’ll fix your furnace and quickly get your heat running again.

Call us at or schedule an appointment online today.

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