Siemens A01971 fault code meaning
Siemens / A01971
Series: DCM-6RA80
CBE2x: Maximum number of controllers exceeded
DC drive
Meaning: The controller attempted to establish a connection with the drive, but the maximum allowed number of PROFINET connections was exceeded. The alarm will clear automatically after approximately 30 seconds.
Possible causes
Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P988
Series: G130-G150, S120-S150
CBExx: Maximum number of controllers exceeded
converter
Meaning: The controller attempted to establish a connection with the drive, but the maximum allowed number of PROFINET connections was exceeded. The alarm will clear automatically after approximately 30 seconds.
Possible causes
Source: SINAMICS G130_G150 P1561; SINAMICS S120_S150 P2670
Series: S220
CBExx: Maximum number of controllers exceeded
converter
Meaning:
Possible causes
Source: SINAMICS S220 converter P2196