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Carrier 48XPN030040300 Ignition Control Board
The main reason to have an ignition control board is that it keeps an eye on the main gas intake valve, the ignition sequence and all the flame sensing devices. The ignition control board was always an important safety device that is usually a major component of the main board instead of a separate board.
Easy warnings the ignition board should be replaced
- The primary ignition sequence refuses to launch even though it is supposed to
- Communication from the thermostat does not get to the Carrier control board
- Every other problem throughout the system checked out to be acceptable
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