Siemens A31902 fault code meaning
Siemens / A31902
Series: DCM-6RA80
Encoder 1: SPI-BUS fault occurred
DC drive
Meaning: Error operating the internal SPI bus
Possible causes
Source: SINAMICS DCM, Parameter Manual, firmware version 1.5 SP2 (based on 5.1 SP2) P1103
Series: G120-CU250S-2
Encoder 1: SPI-BUS fault occurred
converter
Meaning: Error operating the internal SPI bus
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1531
Series: G210, G220
Motor encoder: SPI bus fault
converter
Meaning:
Possible causes
Source: SINAMICS G210 converter P1273; SINAMICS G220 converter P1523
Series: S110
Encoder 1: SPI-BUS fault occurred
servo drive
Meaning: Error operating the internal SPI bus
Possible causes
Source: SINAMICS S110 P1143
Series: S120-S150
Encoder 1: SPI-BUS fault occurred
converter
Meaning:
Possible causes
Source: SINAMICS S120_S150 P3016
Series: S200
Motor encoder: SPI bus fault
servo drive
Meaning: An error occurred while operating the internal SPI bus.
Possible causes
Source: SINAMICS S200 PROFINET_SIMOTICS S-1FL2 P587
Series: S220
Motor encoder: SPI bus fault
converter
Meaning: An error occurred while operating the internal SPI bus.
Possible causes
Source: SINAMICS S220 converter P2555