Siemens F31899 fault code meaning
Siemens / F31899
Series: G120-CU250S-2, S120-S150
Encoder 1: Unknown fault
converter
Meaning: A fault that the control unit firmware cannot recognize occurred on the encoder module for encoder 1. This fault may occur if the firmware on this component is newer than the control unit firmware.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1531; SINAMICS S120_S150 P3016
Series: G120D, G130-G150
Encoder 1: Unknown fault
converter
Meaning:
Possible causes
Source: SINAMICS G120D Control Unit CU240D- 2_CU250D- 2 P945; SINAMICS G130_G150 P1831
Series: G210, G220
Motor encoder: Unknown fault
converter
Meaning: A fault that the converter firmware cannot recognize has occurred in the encoder module for encoder 1. This may occur if the component firmware is newer than the converter firmware.
Possible causes
Source: SINAMICS G210 converter P1273; SINAMICS G220 converter P1523
Series: S110
Encoder 1: Unknown fault
servo drive
Meaning: A fault that the control unit firmware cannot recognize occurred on the encoder module for encoder 1. This fault may occur if the firmware on this component is newer than the control unit firmware.
Possible causes
Source: SINAMICS S110 P1143
Series: S200
Motor encoder: Unknown fault
servo drive
Meaning: A fault that the converter firmware cannot recognize has occurred in the encoder module of the motor encoder. This can occur if the component firmware is newer than the converter firmware.
Possible causes
Source: SINAMICS S200 PROFINET_SIMOTICS S-1FL2 P587
Series: S220
Motor encoder: Unknown fault
converter
Meaning: A fault that the control unit firmware cannot identify has occurred on the encoder module of the motor encoder. This may occur if the firmware on this component is newer than the control unit firmware.
Possible causes
Source: SINAMICS S220 converter P2555