Delta SfLK fault code meaning

Delta / SfLK

Series: C2000 Plus, CFP2000, CH2000, CP2000, DPD-K

PMLess locked rotor

AC motor drive

Meaning: The AC motor drive issues a RUN command and outputs a frequency, but the permanent magnet synchronous motor does not rotate.

Possible causes

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) P679

Series: C2000-R, CT2000

PM Sensorless locked rotor

AC motor drive

Meaning:

Possible causes

Source: C2000-R User Manual P219; CT2000 Series User Manual (DELTA_IA-MDS_CT2000_UM_SC_20250522) P383