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Question DetailsAsked on 12/7/2016

my carrier 8000 blinks code 3 short red and 1 long.I have no burners coming on. What is the problem

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2 Answers



This is Erick in Member Care. Thanks for your interest in Angie's List!

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Answered 3 years ago by Member Services


Below are several links that should help - several show the error code chart which should also be in your owners manual (print off from manufacturer website if you can't find it), one is a Youtube video showing what the various items look like and where they generally are (and there are other youtube videos on fixing the problems linked at the side of the video).

The 3-1 code says the air pressure sensor (measure intake/exhaust pressures) detects an air blockage or the sensor is not operating right. Normal cause is frosting up of the PVC air intake or exhaust pipe, or water in the exhaust pipe because the two rubber/PVC drain tubes or the drain outlet filter are plugged up. Normally removing and cleaning out any frost buildup and the drain tubes and the little plastic box they drain into will clear it.

Sometimes it can also occur if the damper or exhaust fan is not opening/turning on correctly, which can be the result of one of several safety sensors having tripped out - which shuts off power to the gas control valve so it cannot turn the burner on.

Answered 3 years ago by LCD

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