Delta SAdE fault code meaning
Delta / SAdE
Series: MX300, VP3000
STO sampling failure
AC motor drive
Meaning: STO module sampling detection value error
Possible causes
- Power-on with USB plugged in
- Remove USB, then power on again
- 8-131
Source: MX300 Series User Manual (DELTA_IA-MDS_MX300_UM_TC_20260226) P191; VP3000 Series User Manual (DELTA_IA-MDS_VP3000_UM_TC_20250523) P438