Delta S1 fault code meaning
Delta / S1
Series: C2000 Plus, CFP2000, CH2000, CP2000, DPD-K
External safety emergency stop
AC motor drive
Meaning: External safety emergency stop
Possible causes
- S1 and SCM switch activated (OPEN). Reset the switch and power on again.
- The jumper between S1 and SCM is not connected.
- Malfunction due to interference
- Hardware fault
- Poor contact on the IO plug-in card
- Version mismatch between the IO plug-in card and the control board
Source: C2000 Plus Series User Manual (DELTA_IA-MDS_C2000 Plus_UM_TC_20250522) P422; CFP2000 Series User Manual (DELTA_IA-MDS_CFP2000_UM_SC_20250731) P284; CH2000 Series User Manual (DELTA_IA-MDS_CH2000_UM_SC_20251030) P382; CP2000 Series User Manual (DELTA_IA-MDS_CP2000_UM_SC_20250704) P392; DPD-K Series User Manual (DPD-K user manual_20211224) P317
Series: C2000-R
External safety emergency stop
AC motor drive
Meaning:
Possible causes
Source: C2000-R User Manual P218