Fixing Error Code 228 on Your Lennox® Furnace
Not feeling heat and receiving error code 228 from your Lennox® furnace?
This indicates your heating system couldn’t adjust its pressure switch before launching. As a result, your system will not run for safety reasons.
Repairing or replacing this part is better left to the technicians at Stevenson Service Experts in Columbus. Our ACE-certified technicians are among the elite in the industry. They’re well-prepared to work on all of your heating needs, including repairing a furnace error.
We want you to be thoroughly satisfied with our quality furnace repair* for a year.
How a Pressure Switch Works
This part plays a prominent duty as your furnace prepares to work in your space.
Here’s what goes on after your thermostat’s call for heat:
- Your furnace’s control board begins running the draft inducer blower motor. This drains combustion gases from the heat exchanger and brings in new gas and air so the burners can fire.
- When the pressure switch senses that sufficient air is being pulled into the burners, it closes and commands the control board to ignite the furnace.
- Your furnace ignites and creates heat.
What Happens When a Pressure Switch Malfunctions
When your pressure switch isn’t working promptly, you’ll likely hear the fan run and the switch clicking a few times before the furnace shuts down completely. When a part isn’t functioning right, your furnace will turn off for your safety.
Your furnace will show you something is amiss with a red flash from its indicator light, which it uses to present error codes. It uses this red light to flash code, like Morse code.
You may note fast flashes or an alternating slow flash as it communicates a fault code.
Estimated Repair Cost for Furnace Error Code 228
Before replacing the switch, your Stevenson Service Experts Expert will look at other parts of your furnace first. Several other issues can also generate the error code, like a congested vent or cracked hose.
The price to fix your furnace depends on what’s defective with it and how long it takes to fix it.
If your pressure switch needs to be replaced, you can plan to pay between $40 to $350.
Trust the Experts at Stevenson Service Experts
If you should have furnace repair, turn to the technicians from Stevenson Service Experts to diagnose the fault code and fix the situation to your requirements.
Call us at or schedule an appointment online today.
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