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Carrier 58MSA080 Ignition Control Board
The main reason to have an ignition control board is that it manages the main gas intake valve, the igniter and the flame sensing circuits. The ignition control board was always an important safety device that is now usually a part of the main control board instead of its own individual board.
Some warnings of an inadequate Carrier ignition control board
- Initial communication from the home thermostat does not make it to the control board
- Every other device in the HVAC system is looked at and turns out to be a-OK
- The primary ignition sequence fails to activate even though it is supposed to
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