Noticing error code 229 on your Lennox® furnace?
This means your furnace is ignited at high speed because its low pressure switch didn’t close.
It’s important to let a professional like one from Atmostemp Service Experts in Voorhees finish repairing or replacing this part. Our technicians are ACE certified, which means they’re well-equipped to fix a furnace error like this one.
We want you to be fully content with our furnace repair in Voorhees. That’s why we back all of our work with a one-year 100% Satisfaction Guarantee.*
Two-stage furnaces have multiple pressure switches to help the system to run at different speeds—and use less energy. These switches also make sure your furnace runs safely and vents excess gases from the heat exchanger.
Your low pressure switch may not be functioning right if your furnace inducer motor starts up in high speed and high ignition, then slows down and shifts into low-fire mode about 30 seconds later.
Your furnace will communicate something’s wrong with a red flash from its indicator light, which it uses to show error codes. It has this red light to flash code, like Morse code.
You may notice fast flashes or an alternating slow flash as it announces a fault code.
A blocked vent or a draft can also trigger the error, so your Atmostemp Service ExpertsExpert will check other parts of your furnace first.
The cost to fix your furnace hinges on what’s wrong with it and how long it takes to fix it.
You can expect to pay between $40 and $350 if you need a new low-fire pressure switch.
When you need to have your furnace mended, turn to the Experts at Atmostemp Service Experts to figure out the fault code and take care of the issue.
Call us at or schedule an appointment online today.
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There’s no reason to skip your seasonal maintenance that saves energy and helps ensure your air conditioner and heater will work reliably all season long.
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