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Carrier 50ZP042300 Ignition Control Board
An ignition control board checks out gas flow, the ignition timing and some more sensing equipment. The ignition control board was always an important board that is now usually a part of the main control board instead of its own individual board.
Key clues of a weakening major ignition board
- Everything else in the heating and cooling system is looked at and turns out to be problem-free
- The ignition system declines to initiate at all
- The electrical signal from the primary thermostat gets lost before it makes it to the Carrier control board
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