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Carrier 38SYG048 Ignition Control Board
Another safety feature is the ignition control board, which checks gas flow, the ignition timing and other safety devices built into the system. It is an important circuit board that is now usually a major component of the main board instead of a separate board.
Important signs your Carrier ignition control board will need to be replaced
- Every other potential issue within the furnace is explored and ends up being OK
- Signal from primary thermostat never does reach the control board
- The ignition cycle will not kick in even though it is supposed to
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