Cause: The slot into which the additional axis board is inserted has been changed since the last time power was supplied. The first number in the brackets in the alarm message indicates the additional axis board number (1,2), the second number indicates the slot number before the change (8,9,11), and the third number indicates the slot number after the change (8,9,11). [Countermeasure] Confirm whether the changed slot number c is correct. If it is incorrect, reinsert it into the slot before the change.
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