Delta AUE4 fault code meaning
Delta / AUE4
Series: C2000 Plus, CFP2000, CH2000, CP2000, DPD-K, MH300
Motor auto measurement error
AC motor drive
Meaning: Leakage inductance Lsigma measurement error during motor auto-tuning
Possible causes
- Motor fault
- Incorrect motor parameter (base frequency) setting
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) P285; CH2000 Series User Manual (DELTA_IA-MDS_CH2000_UM_SC_20251030) P383; CP2000 Series User Manual (DELTA_IA-MDS_CP2000_UM_SC_20250704) P393; DPD-K Series User Manual (DPD-K user manual_20211224) P317; MH300 Series User Manual (DELTA_IA-MDS_MH300_UM_TC_20260505) P773
Series: VP3000-E, VP3000
Motor auto measurement error
AC motor drive
Meaning: Induction motor rotor resistor measurement error during motor auto-tuning
Possible causes
- Incorrect motor parameter settings
- Incorrect motor wiring
- Motor fault
- There is an error in the motor U/V/W wiring.
- On the output side of the AC motor drive (U / V / W)
- The electromagnetic contactor is open.
Source: VP3000-E & VP3000-EHS User Manual (DELTA_IA-MDS_VP3000-E-VP3000-EHS_UM_SC_20260306) P403; VP3000 Series User Manual (DELTA_IA-MDS_VP3000_UM_TC_20250523) P438