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Carrier 25HPA418A0030010 Ignition Control Board
The main reason to have an ignition control board is that it oversees the main gas intake valve, the ignition timing and some other sensors. The ignition control board was always an important electronic circuit board that, over the years, has merged to become a part of the main control board instead of having two separate boards.
What symptoms are present when the Carrier ignition control board is failing?
- Communication from the main thermostat never does reach the control board
- The main ignition cycle is unwilling to kick in even when called upon
- Any other device within the furnace checks out in good health
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