Cause : Accumulative power-on time reached comes when accumulative power-on time reaches the setting value. When this counter reaches a predetermined limit, the drive may trigger an alarm or shut down to prevent overheating or other damage.

"Err29" fault in inovance MD290 drive indicate "Accumulative power-on time reached". This means an internal counter that tracks the total time the drive has been powered on.

• Clear the record through parameter initialization.