Siemens A01955 fault code meaning
Siemens / A01955
Series: DCM-6RA80
CU DRIVE-CLiQ: DO synchronization not completed
DC drive
Meaning: After the drive system is switched on, synchronization between the basic cycle, the DRIVE-CLiQ cycle, and the application cycle starts but is not completed within the specified time.
Possible causes
Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P987
Series: G120-CU250S-2, G130-G150, S120-S150
CU DRIVE-CLiQ: DO synchronization not completed
converter
Meaning: After the drive system is switched on, synchronization between the basic cycle, the DRIVE-CLiQ cycle, and the application cycle starts but is not completed within the specified time.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1343; SINAMICS G130_G150 P1560; SINAMICS S120_S150 P2669
Series: G200, G210, G210X, G220
DRIVE-CLiQ: DO synchronization has not completed
converter
Meaning: After the drive system is switched on, synchronization between the basic cycle, the DRIVE-CLiQ cycle, and the application cycle starts but is not completed within the specified time.
Possible causes
Source: SINAMICS G200 Basic converter P561; SINAMICS G210 converter P1079; SINAMICS G210X converter P941; SINAMICS G220 converter P1286
Series: S220
CU DRIVE-CLiQ: DO synchronization not complete
converter
Meaning: After the drive system is switched on, synchronization between the basic cycle, the DRIVE-CLiQ cycle, and the application cycle starts but is not completed within the specified time.
Possible causes
Source: SINAMICS S220 converter P2196