Delta LEr fault code meaning

Delta / LEr

Series: C2000 Plus

Pulse tuning inductance value error

AC motor drive

Meaning: If auto-tuning of the d, q axis inductance values is repeated more than three times, a pulse tuning inductance error is detected.

Possible causes

Source: C2000 Plus Series User Manual (DELTA_IA-MDS_C2000 Plus_UM_TC_20250522) P422

Series: C2000-R

Pulse tuning inductance value error

AC motor drive

Meaning:

Possible causes

Source: C2000-R User Manual P219

Series: CH2000

Pulse tuning inductance value error

AC motor drive

Meaning: A pulse tuning inductance error is detected when auto-tuning of the d and q axis inductances is repeated more than three times.

Possible causes

Source: CH2000 Series User Manual (DELTA_IA-MDS_CH2000_UM_SC_20251030) P382