The message "AFFL" in Schneider Electric drive indicates a potential issue with communication between the drive and a fieldbus control system. This means an automatic fallback behavior activated after a fieldbus communication interruption.

The "AFFL Automatic fallback behavior activated after a fieldbus communication interruption" warning on a Schneider drive indicates that the drive has detected a communication loss with the fieldbus network and has switched to a fallback mode to maintain operation.

1. This behavior is designed to ensure that the drive continues to operate safely even when communication with the control system is interrupted.
2. nsure the drive is operating safely in its fallback mode. Observe any changes in performance or behavior.
3. If the issue appears to be transient, reset the warning to see if normal communication is restored.
4. Check all fieldbus cables and connections for signs of damage, wear, or loose connections.