Delta CE3 fault code meaning
Delta / CE3
Series: AFE3000
Communication data value error
active front end
Meaning: Invalid communication data value
Possible causes
- The communication command sent by the host computer is incorrect.
- Malfunction due to interference
Source: AFE3000 Series User Manual (DELTA_IA-PQ_AFE3000_UM_TC_20260330) P61
Series: C2000 Plus, MH300, MS300
Communication data value error
AC motor drive
Meaning: RS-485 Modbus, illegal communication data value
Possible causes
- The communication command sent by the host computer is incorrect.
- Malfunction due to interference
- The communication settings differ from those of the host device.
- Communication cable open or poor contact
Source: C2000 Plus Series User Manual (DELTA_IA-MDS_C2000 Plus_UM_TC_20250522) P387; MH300 Series User Manual (DELTA_IA-MDS_MH300_UM_TC_20260505) P183; MS300 Series User Manual (DELTA_IA-MDS_MS300_UM_TC_20260417_v2) P156
Series: C2000-R, CT2000
Communication data value error
AC motor drive
Meaning:
Possible causes
Source: C2000-R User Manual P218; CT2000 Series User Manual (DELTA_IA-MDS_CT2000_UM_SC_20250522) P248
Series: CFP2000, CH2000, CP2000, DPD-K, MH300-HS, MP300
Communication data value error
AC motor drive
Meaning: RS-485 Modbus, invalid communication data value
Possible causes
- The communication command sent by the host computer is incorrect.
- Malfunction due to interference
- The communication settings differ from those of the host device.
- Communication cable open or poor contact
Source: CFP2000 Series User Manual (DELTA_IA-MDS_CFP2000_UM_SC_20250731) P255; CH2000 Series User Manual (DELTA_IA-MDS_CH2000_UM_SC_20251030) P349; CP2000 Series User Manual (DELTA_IA-MDS_CP2000_UM_SC_20250704) P360; DPD-K Series User Manual (DPD-K user manual_20211224) P290; MH300 Series (High-Speed Models) User Manual (DELTA_IA-MDS_MH300-HS_UM_SC_20241213_v3) P162; MPD_MP300 Series User Manual (DELTA_IA-MDS_MPD_UM_SC_20260326) P145
Series: ME300
Communication data value error
AC motor drive
Meaning: RS485 Modbus, illegal communication data value
Possible causes
- The communication command sent by the host computer is incorrect.
- Malfunction due to interference
- The communication settings differ from those of the host device.
- Communication cable open or poor contact
Source: ME300 Series User Manual (DELTA_IA-MDS_ME300_UM_SC_20250407) P129
Series: MS300-HS, VFD-DD, VFD-VE, VFD-VL
Communication error
AC motor drive
Meaning:
Possible causes
Source: MS300 (high-speed models) (DELTA_IA-MDS_VFD MS300_high_UM_TC_20170306) P141; VFD-DD (Ver. F, S, T & V) (DELTA_IA-MDS_VFD-DD_UM_TC_20170609) P36; Delta VFD-VE Manual P66; Delta VFD-VL Manual P62
Series: MX300
Communication data value error
AC motor drive
Meaning: RS485 Modbus, invalid communication data value
Possible causes
- The communication command sent by the host computer is incorrect.
- Malfunction due to interference
Source: MX300 Series User Manual (DELTA_IA-MDS_MX300_UM_TC_20260226) P138