Delta S6uv fault code meaning
Delta / S6uv
Series: MX300, VP3000-E, VP3000
STO power supply 6V too low
AC motor drive
Meaning: STO power supply 6V too low
Possible causes
- Control board fault
- 8-127
Source: MX300 Series User Manual (DELTA_IA-MDS_MX300_UM_TC_20260226) P191; VP3000-E & VP3000-EHS User Manual (DELTA_IA-MDS_VP3000-E-VP3000-EHS_UM_SC_20260306) P403; VP3000 Series User Manual (DELTA_IA-MDS_VP3000_UM_TC_20250523) P438