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Haier CPN08XC9 Ignition Control Board
The ignition control board is a safety device that keeps an eye on gas intake, the ignition ignitor and some more sensing equipment. It is an important circuit board that some companies have moved to be a part of the main control board instead of having two separate boards.
Some warnings poorly running major ignition board
- Initial ignition sequence will not start when called upon
- The initial signal from the thermostat does not get to the main board
- Every other problem throughout the system checks out fine
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