Lennox Furnace Error Code 270 Solved in Austin

Getting cold because you’re noticing error code 270 from your Lennox® furnace?

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

When your ignitor ceases working, it’s better to count on our ACE-certified technicians. They’ve gone through detailed education, so you can rest easy knowing they’ll find out what’s generating the furnace error and will mend it to your satisfaction.

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 house.

Here’s how a furnace ignitor works:

  • Thermostat launches call for heat.
  • Furnace ignitor and blower become energized.
  • Ignitor heats 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 needs to be replaced. It can wear out sooner if you don’t replace your air filter regularly, since a clogged one can cause your HVAC equipment to short cycle.

What Happens When a Furnace Ignitor Stops Working

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

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

Estimated Repair Cost for Furnace Error Code 270

The cost to mend your furnace depends on what’s wrong 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 technician will also make sure the ignitor is legitimately lighting the burner and that there are no interferences or cracked hoses within your system.

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

Here’s the usual costs to replace it:

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

Rely on the Experts at Service Experts Heating, Air Conditioning & Plumbing

When you need Expert furnace repair, you can rely on our highly trained technicians at Service Experts Heating, Air Conditioning & Plumbing. We’ll repair your furnace and quickly get your heat functioning again.

Call us at or schedule an appointment online today.

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