Kuka · KR C4 extended
A communication error has occurred on the controller bus involving the KPP or KSP module for a specific axis. This indicates a disruption in data exchange, preventing the controller from properly commanding or monitoring the drive.
Click steps to track your progress.
Reinitialize the drive bus: Power Off / Power On.
Inspect EtherCAT cabling for damage and correct connections.
Check EtherCAT stack status.
Check the CCU module.
Check the KPP module.
Check the KSP module.