Getting 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 best to let a pro like one from Parker Pearce Service Experts in Gaithersburg handle repairing or replacing this part. Our technicians are ACE certified, which means they’re ready to fix a furnace error like this one.
We want you to be fully satisfied with our furnace repair in Gaithersburg. That’s why we back all of our work with a one-year 100% Satisfaction Guarantee.*
Two-stage furnaces have various pressure switches to let the system to run at different speeds—and be more efficient. These switches also make sure your furnace runs safely and vents extra gases from the heat exchanger.
Your low pressure switch may not be operating right if your furnace inducer motor starts up in high speed and high ignition, then slows down and changes into low-fire mode about 30 seconds later.
Your furnace will indicates 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 Parker Pearce Service Expertsprofessional will investigate other parts of your furnace first.
The cost to fix your furnace depends on what’s wrong with it and how long it takes to remedy 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 repaired, contact the Experts at Parker Pearce 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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