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Carrier 48GS030040300 Ignition Control Board
The ignition control board is a safety device that controls the natural gas, the ignition timing and the flame sensing circuits. It has always been a vital safety feature that is usually a major component of the main board instead of having two separate boards.
Major symptoms of an unhealthy ignition control board
- The primary ignition sequence does not kick in when called upon
- Every other thing within the system checked out to be in fine condition
- Signal from primary thermostat does not reach the main board
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