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Carrier furnace error code 23

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Carrier furnace error code 23

Carrier furnace error code 23 is an error code that is displayed on the controller board of a Carrier Furnace. This error code can happen if there is a problem with the sensors or if the fan motor has stopped working.

The reason Carrier furnace error code 23 happens is usually due to one of three reasons:

– problem with sensor input

– problem with fan motor

– power draw from sensor exceeds mA max setpoint.

Carrier is one of the leading brands when it comes to heating systems. This article is about Carrier furnace error code 23, a type that can be solved by following the troubleshooting steps.

The Carrier furnace error code 23 indicates a flame sensor gone wrong. That’s because the sensor is designed to measure how well the gas burns, and when it gets dirty, it produces too much heat and triggers this error code. If you have a Carrier furnace and its error code reads 23, clean the flame sensor right away.

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