Lennox Furnace Error Code 270 Solved in Livermore

Feeling a chill because you’re getting error code 270 from your Lennox® furnace?

This indicates your furnace ignitor can’t start the flame. After five failed efforts, the furnace will halt trying to ignite. It will then go into Watchguard mode for about an hour for your protection.

When your ignitor stops working, it’s safer to depend on our ACE-certified technicians. They’ve gone through important instruction, so you can rest easy knowing they’ll find out what’s creating the furnace error and will repair it to your satisfaction.

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

How a Furnace Ignitor Works

This part ignites natural gas, which helps heat your home.

Here’s how a furnace ignitor works:

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

A furnace ignitor should last roughly three to five years before it breaks and has to be subbed out for a new part. It can wear out sooner if you don’t replace your air filter when needed, since a dusty one can cause your furnace to short cycle.

What Happens When a Furnace Ignitor Fails

Your furnace will demonstrate for you there’s an issue 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 the issue is with it and the amount of time it takes to remedy it.

Before your technician replaces your ignitor, he or she will look at:

  • Gas flow
  • Flame sensor current
  • Air filter

Your HVAC pro will also make sure the ignitor is actually lighting the burner and that there are no obstructions or cracked hoses within your equipment.

An ignitor often fails when you need it most, bringing about an after-hours trip charge.

Here’s the usual 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 correct your furnace and quickly get your heat functioning again.

Call us at or schedule an appointment online today.

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