Delta PLor fault code meaning
Delta / PLor
Series: C2000 Plus, MH300, MS300
PLC register overflow
AC motor drive
Meaning: PLC program storage register overflow warning
Possible causes
- PLC An internal program was detected during program execution
- Code error
- 3. Enable the PLC function
Source: C2000 Plus Series User Manual (DELTA_IA-MDS_C2000 Plus_UM_TC_20250522) P788; MH300 Series User Manual (DELTA_IA-MDS_MH300_UM_TC_20260505) P674; MS300 Series User Manual (DELTA_IA-MDS_MS300_UM_TC_20260417_v2) P462
Series: CFP2000, CH2000, CP2000, DPD-K, MH300-HS, MP300
PLC buffer overflow
AC motor drive
Meaning: PLC Program storage buffer overflow warning
Possible causes
- PLC An internal program was detected during program execution
- Code error
- 3. Enable the PLC function.
Source: CFP2000 Series User Manual (DELTA_IA-MDS_CFP2000_UM_SC_20250731) P536; CH2000 Series User Manual (DELTA_IA-MDS_CH2000_UM_SC_20251030) P736; CP2000 Series User Manual (DELTA_IA-MDS_CP2000_UM_SC_20250704) P648; DPD-K Series User Manual (DPD-K user manual_20211224) P597; MH300 Series (High-speed Models) User Manual (DELTA_IA-MDS_MH300-HS_UM_SC_20241213_v3) P440; MPD_MP300 Series User Manual (DELTA_IA-MDS_MPD_UM_SC_20260326) P332
Series: VP3000
PLC register overflow
AC motor drive
Meaning: Program code exceeding the model's capacity was detected during program execution.
Possible causes
- The total program code size exceeds the model's capacity.
Source: VP3000 Series User Manual (DELTA_IA-MDS_VP3000_UM_TC_20250523) P435
Series: VP3000-E
PLC buffer overflow
AC motor drive
Meaning: Program code was found to exceed the model capacity during operation
Possible causes
- The total program code size exceeds the model capacity
Source: VP3000-E & VP3000-EHS User Manual (DELTA_IA-MDS_VP3000-E-VP3000-EHS_UM_SC_20260306) P400