Siemens A01751 fault code meaning
Siemens / A01751
Series: S210
SI motion P1: Safety encoder validity test fault
servo drive
Meaning: During the validity test, the DRIVE-CLiQ encoder used for safe motion monitoring reported a fault. Message value (r2124, decimal): For Siemens internal fault diagnostics only.
Possible causes
Source: SINAMICS S210_SIMOTICS S-1FK2 and S-1FT2 P874