Siemens A01979 fault code meaning
Siemens / A01979
Series: DCM-6RA80
CBE2x: Internal error during cyclic data transfer
DC drive
Meaning: The cyclic actual values and/or setpoints were not transmitted by the defined time.
Possible causes
Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P988
Series: G130-G150, S120-S150
CBExx: Internal error during cyclic data transmission
converter
Meaning: Cyclic actual values and/or setpoints were not transmitted by the defined time.
Possible causes
Source: SINAMICS G130_G150 P1561; SINAMICS S120_S150 P2671
Series: S220
CBExx: Internal error during cyclic data transmission
converter
Meaning:
Possible causes
Source: SINAMICS S220 converter P2197