Siemens F31805 fault code meaning
Siemens / F31805
Series: G120-CU250S-2
Encoder 1: EPROM checksum incorrect
converter
Meaning: Internal parameter data is damaged.
Possible causes
Source: SINAMICS G120, Control Unit CU250S-2 P1521
Series: G120D
Encoder 1: EEPROM checksum incorrect
converter
Meaning: Internal parameter data is damaged.
Possible causes
Source: SINAMICS G120D Control Unit CU240D- 2_CU250D- 2 P945
Series: G130-G150
Encoder 1: EPROM checksum error
converter
Meaning:
Possible causes
Source: G150 P940
Series: S200, S210
Motor encoder: EEPROM checksum error
servo drive
Meaning: Internal data in EEPROM is corrupted.
Possible causes
Source: SINAMICS S200 PROFINET_SIMOTICS S-1FL2 P586; SINAMICS S210_SIMOTICS S-1FK2 and S-1FT2 P1383