Siemens A60166 fault code meaning
Siemens / A60166
Series: DCM-6RA80
Alarm: Fan speed too low
DC drive
Meaning: The fan speed is too low. The fan may be unable to rotate freely or may be damaged.
Possible causes
Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P1246