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What will correct the problem causing the 31 code on my Carrier Weathermaker 9200.

Post created: 2014-10-18 Type of Equipment: Furnace Views: 250

This question was created on the page: https://www.furnacecompare.com/furnaces/carrier/weathermaker-9200.html.

What is a permanent fix for the 31 error code. Service tech has been here 3 times in 4 weeks to blow out lines on a Carrier Weathermaker 9200?

On 2014-10-20 Danielle wrote:

According to the manual for the Carrier Weathermaker 9200 an error code 31 means pressure switch not closed. The manual suggests:

Check to make sure that all PVC pipes leading into the combustion-air intake and vent/exhaust are free from any cracks and sags. Also check the combustion-air intake and vent/exhaust pipes on the outside of your home for blockage.


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