Vacon · X4
This fault indicates that the control board is unable to properly read the drive's internal model identification data. This could signify a fundamental hardware issue with the control board or the drive's ID chip. The drive may not operate correctly or at all due to incorrect parameter loading or protection settings.
Click steps to track your progress.
1. De-energize and lock out the drive, then physically reseat the control board, ensuring all connectors are firmly engaged with the power board.
2. Inspect the connectors between the control board and power board for bent pins, corrosion, or damage.
3. Verify that any replaced control board is the correct part number and revision for the specific drive model.
4. Check the drive's internal environment for signs of excessive heat (discoloration, melting components) or vibration damage.
5. Replace the control board if the fault persists after reseating and inspection.
6. Replace the entire drive if the control board replacement does not resolve the issue, indicating a power board failure.