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Carrier 48GP030060300 Ignition Control Board
The main reason to have an ignition control board is that it governs the main gas intake valve, the ignition sequence and other safety devices built into the system. It is an important electronic circuit board that some manufacturers have decided to blend to be a major component of the main board instead of a separate board.
Some warnings of an ineffective chief ignition control board
- The initial signal from the home thermostat does not make it to the control board
- Every other problem in the system checks out okay
- Initial sequence does not fire up even when called upon
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