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Carrier 24ANA724A0030020 Ignition Control Board
The main reason to have an ignition control board is that it controls the gas valve, the ignition ignitor and some other sensors. It has been a very important safety feature that some companies have moved to be a standard part of the main board for the sake of being more efficient.
Some clues your ignition control board needs replacing
- Every other device in the HVAC system checks out a-OK
- The ignition cycle is unwilling to kick in when it receives a proper signal
- Initial communication from the remote thermostat never gets to the Carrier control board
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