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Carrier FX4BNF018000AAAA Ignition Control Board
The main reason to have an ignition control board is that it controls gas intake, the igniter and all the flame sensing devices. It has been a very important circuit board that, over the years, has merged to become a vital part of the main control board for enhanced safety.
Elements of a deteriorating Carrier ignition control board
- The initial signal from the main thermostat does not show up at the main control board
- The main ignition cycle is unable to launch at all
- Every other potential issue within the system checked out to be in good health
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