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Carrier 50XL-A30 Ignition Control Board
The purpose of the ignition control board is that it regulates gas intake, the igniter and a few other devices. It has been a very important safety device that is usually a piece of the main circuit board instead of a separate board.
How do you know when your chief ignition control board has a need to be replaced?
- The initial signal from the main thermostat does not make it to the Carrier control board
- Every other thing in the system is looked at and turns out to be problem-free
- HVAC ignition system declines to fire up even though it is supposed to
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