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Carrier 38CQ Ignition Control Board
The main reason to have an ignition control board is that it may control the main gas intake valve, the ignition ignitor and some more sensing equipment. The ignition control board was always an important board that is now usually a piece of the main circuit board instead of its own individual board.
What are the clues to watch out for to know my ignition control board is dying?
- The main ignition cycle declines to launch even when the thermostat kicks it on
- The initial signal from the main thermostat does not make it to the main board
- Any other problem in the system is inspected and seems to be in fine condition
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