Delta pLE fault code meaning
Delta / pLE
Series: AFE3000
Phase-lock error
active front end
Meaning: While stopped, the phase-lock frequency error persists for the set time.
Possible causes
- Input power supply frequency fluctuations are too large.
- Input power supply phase loss
- Phase voltage imbalance
- Loose input power supply wiring terminals
- Malfunction due to interference
- 7-13
Source: AFE3000 Series User Manual (DELTA_IA-PQ_AFE3000_UM_TC_20260330) P103