Getting chilly because you’re getting error code 223 from your Lennox® furnace?
This is telling you your furnace’s low pressure switch is open. Due to the malfunction, your system will not run for safety reasons.
Turn to the Experts at A-Plus to handle fixing this furnace error. Our ACE-certified technicians are among the best in the industry when it comes to diagnosing and repairing furnace issues.
Your satisfaction is critical to our business. That’s why we back our furnace repair* for a year.
Pressure switches are an important part of the heating system.
Here’s how your furnace works after the thermostat begins to call for heat:
A two-stage furnace has several pressure switches, which allow it to run at different speeds—and be more efficient.
The low pressure switch may be open for several reasons.
There could be a:
There could also be a problem with the switch itself, the inducer or the circuit board.
Your furnace will let you know there’s something wrong with a red flash from its indicator light, which it uses to exhibit 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 repeats a fault code.
The cost to fix your furnace depends on what’s wrong with it48} and how long it takes to repair it.
Here are the usual replacement costs for several components that could be affected:
When you need furnace service, you can trust the professionals at A-Plus
to take care of the fault code and get your heat flowing again.
Call us at or schedule an appointment online today.
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