Delta AOVN fault code meaning
Delta / AOVN
Series: AFE3000
AC overvoltage during operation
active front end
Meaning: Overvoltage detected at the power supply input during operation.
Possible causes
- Supply voltage too high
Source: AFE3000 Series User Manual (DELTA_IA-PQ_AFE3000_UM_TC_20260330) P121