Delta S2 fault code meaning
Delta / S2
Series: MH300-HS, MH300
Internal circuit diagnostics detected an error (STL2).
AC motor drive
Meaning:
Possible causes
Source: MH300 Series (High-Speed Models) User Manual (DELTA_IA-MDS_MH300-HS_UM_SC_20241213_v3) P253; MH300 Series User Manual (DELTA_IA-MDS_MH300_UM_TC_20260505) P293
Series: MS300
An error was detected by internal circuit diagnostics
AC motor drive
Meaning:
Possible causes
Source: MS300 Series User Manual (DELTA_IA-MDS_MS300_UM_TC_20260417_v2) P769