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Carrier FY4ANF042000 Ignition Control Board
The purpose of the ignition control board is that it manages the main gas intake valve, the igniter as well as other safety devices. The ignition control board was always an important electronic circuit board that, over the years, has merged to become a vital part of the main control board for safety reasons.
Red flags your Carrier ignition control board will die soon
- Every other problem within the furnace checks out in good condition
- The on-signal from the primary thermostat never reaches the Carrier control board
- Ignition cycle does not kick in even when called upon
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