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International Comfort Products CAC242AKA1 Ignition Control Board
Another safety feature is the ignition control board, which regulates gas flow, the ignition timing and all the flame sensing devices. It has been a very important safety feature that is now usually a piece of the main circuit board instead of its own individual board.
Signals of a weak main ignition board
- Every other thing in the HVAC system is inspected and seems to be OK
- Ignition cycle does not kick in at all
- Communication from the thermostat does not make it to the main board
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