Cause : 12-pulse reversal timeout comes when current direction not changed before 12P RevTimeOut (47.05) is elapsed.

F533 12-pulse reversal timeout fault in ABB DCS800 drive indicates a 12-pulse reversal timeout fault. This fault occurs when the drive is unable to successfully reverse the direction of a 12-pulse motor within a specified time frame.

1. Verify that the drive's 12-pulse configuration settings are correct and compatible with the motor.
2. Visually inspect the motor for any signs of damage, such as burned insulation or loose connections.