If I replace the control board, will that definitely fix the 'EC' error code on my Carrier AC?

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Grade: Education Subject: Support
If I replace the control board, will that definitely fix the 'EC' error code on my Carrier AC?
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Replacing the control board *may* fix the issue if the board is indeed the source of the problem. However, without proper diagnosis, replacing the board is just a guess. It's crucial to rule out other potential causes, such as wiring or communication issues, before replacing the board.