Delta vLOS fault code meaning
Delta / vLOS
Series: AFE3000
AC voltage loss
active front end
Meaning: Mains voltage feedback loss
Possible causes
- Power failure occurred
- Supply voltage fluctuation
- Check whether a large-capacity load starts
- Increase the capacity of the power supply system equipment.
- 7-15
Source: AFE3000 Series User Manual (DELTA_IA-PQ_AFE3000_UM_TC_20260330) P105