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Haier CPN11XCJ Ignition Control Board
The main ignition control board has control over gas flow, the igniter and some more sensing equipment. It has been a very important circuit board that has now become a major component of the main board instead of its own individual board.
Important signs your main ignition board is in dire straights
- Any other problem within the furnace checked out to be OK
- Signal from main thermostat does not get to the Haier control board
- HVAC ignition cycle refuses to commence no matter what
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