What can cause an INF7 [Internal Error 7] on an ATV340 series drive?

Resolution:

TheINF7 fault on a Schneider Altivar 340 (ATV340) drive is an internal initialization error. It indicates a critical failure or communication interruption with the CPLD (Complex Programmable Logic Device) on the drive's control board.

If out of date, a firmware update may be needed.

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