Getting cold because you’re getting error code 223 from your Lennox® furnace?
This means your furnace’s low pressure switch is open. Due to the malfunction, your system will not run for your protection.
Turn to the Experts at Atmostemp Service Experts to handle mending this furnace error. Our ACE-certified technicians are among the best in the industry when it comes to diagnosing and repairing furnace problems.
Your satisfaction is essential to us. That’s why we back our furnace repair* for a year.
Pressure switches are a necessary part of the heating process.
Here’s how your furnace starts after the thermostat begins to call for heat:
A two-stage furnace has more than one pressure switches, which allow it to run at multiple speeds—and use energy more efficiently.
The low pressure switch may be open for a couple reasons.
There could be a:
There could also be an issue with the switch itself, the inducer or the circuit board.
Your furnace will let you know there’s a problem with a red flash from its indicator light, which it uses to display error codes. It has this red light to flash code, like Morse code.
You might notice fast flashes or an alternating slow flash as it replays a fault code.
The expense to fix your furnace depends on the root problem48} and the time it takes to remedy it.
Here are average replacement costs for several components that could be affected:
When you need furnace service, you can trust the professionals at Atmostemp Service Experts
to handle the fault code and get your heat flowing again.
Call us at or schedule an appointment online today.
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