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Carrier 38YCS042 Ignition Control Board
An ignition control board has control over the natural gas, the igniter as well as other safety devices. It has been a very important electronic circuit board that is usually a major component of the main board instead of its own individual board.
Some clues to watch for in a bad Carrier ignition control board
- Initial sequence declines to kick in when called upon
- Every other thing in the system checks out fine
- Initial communication from the main thermostat never moves to the main board
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