Beckhoff · EL6900 Operating Instructions
This code, corresponding to State '7' of CoE object F100:01 (Safety Project State), signifies that the EL6900 has switched off due to a severe internal fault. In this state, a safety project cannot be loaded or started. This indicates a critical error in the safety logic execution or hardware that has led to a fail-safe shutdown.
Click steps to track your progress.
Review the TwinCAT System Manager logs for any additional diagnostic messages specifically related to the EL6900.
Check for any recent changes in the EtherCAT configuration or safety project that might trigger a severe internal fault.
Verify the integrity of the safety project currently loaded or attempted to be loaded on the EL6900.