Siemens F31125 fault code meaning
Siemens / F31125
Series: DCM-6RA80
Encoder 1: Signal A or B level too large
DC drive
Meaning:
Possible causes
Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P1068
Series: G120-CU250S-2
Encoder 1: Overmodulated signal A or B amplitude error
converter
Meaning: The amplitude of signal A or B of encoder 1 is outside the permissible tolerance range.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1503