Delta PLE fault code meaning
Delta / PLE
Series: AFE2000
Phase-lock error
active front end
Meaning:
Possible causes
Source: AFE2000 (DELTA_IA-PQ_AFE2000_UM_SC_20110729) P60
Series: AFE3000
Phase-lock error
active front end
Meaning: During operation, the phase-locked frequency error persists for the set time.
Possible causes
- Input supply voltage fluctuation is too large.
- Input power supply phase loss
- Phase voltage imbalance
- Power supply phase sequence changes during operation
- Momentary power failure occurred
- Loose input power supply wiring terminals
- Malfunction due to interference
- 7-54
Source: AFE3000 Series User Manual (DELTA_IA-PQ_AFE3000_UM_TC_20260330) P144
Series: REG2000
Phase-lock error
regenerative unit
Meaning:
Possible causes
Source: REG2000 Series User Manual (DELTA_IA-MDS_REG2000_UM_SC_20251117) P92