7386, Hpfdsl: Found No Encoder (No Link To An Encoder) - Beckhoff AX8000 User Information

Diagmessages of module OCT rotary (Hiperface DSL)
14.8 7386, HpfDsl: Found no encoder (No link to an
encoder)!
The HpfDSL master indicates no communication link to an encoder (motor feedback system).
Diagnostic Code (Hex.)
7386
Class
Error
Standard Reaction
Closed loop ramp
Possible Causes
No physical encoder connection.
Internal: 0x7386, HpfDsl: Found no encoder (No link to an encoder)!
208
Diagnostic Code (Dez.)
29574
Type
Feedback error
Reset
Execute Reset-Command (Fault reset).
Solutions
Check and fix the encoder connection.
Version: 1.1 Multi axis servo system - AX8000