Delta ECbF fault code meaning
Delta / ECbF
Series: C2000 Plus, CFP2000, CH2000, CP2000, DPD-K, VP3000-E, VP3000
Communication card hardware open
AC motor drive
Meaning: The communication card detects excessive bus errors, enters the BUS-OFF status, and stops communication.
Possible causes
- Network cable not securely connected
- Faulty network cable
Source: C2000 Plus Series User Manual (DELTA_IA-MDS_C2000 Plus_UM_TC_20250522) P788; 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) P606; VP3000-E & VP3000-EHS User Manual (DELTA_IA-MDS_VP3000-E-VP3000-EHS_UM_SC_20260306) P400; VP3000 Series User Manual (DELTA_IA-MDS_VP3000_UM_TC_20250523) P435
Series: MH300-HS, MH300, MS300
Communication card hardware open
AC motor drive
Meaning: The communication card detects excessive bus errors, enters the BUS-off status, and stops communication
Possible causes
- Network cable not securely connected
- Faulty network cable
Source: MH300 Series (High-Speed Models) User Manual (DELTA_IA-MDS_MH300-HS_UM_SC_20241213_v3) P440; 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: MP300
Communication card hardware open
AC motor drive
Meaning: The communication card detected too many bus errors, entered the bus-off status, and stopped communication.
Possible causes
- Network cable not securely connected
- Faulty network cable
Source: MPD_MP300 Series User Manual (DELTA_IA-MDS_MPD_UM_SC_20260326) P332