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Carrier FF1DNE030005AAAA Ignition Control Board
Another safety feature is the ignition control board, which governs the main gas intake valve, the ignition timing and the flame sensing circuits. It has always been a vital safety feature that is now usually a piece of the main circuit board instead of a separate board.
Symptoms of an unhealthy chief ignition control board
- The initial signal from the home thermostat never gets to the main control board
- Heating and cooling system can not activate no matter what
- Any other device in the HVAC system checks out all right
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