Delta OVU fault code meaning
Delta / OVU
Series: AFE3000
Upper capacitor overvoltage
active front end
Meaning: The upper capacitor voltage reached the overvoltage threshold.
Possible causes
- Supply voltage error
- 7-23
Source: AFE3000 Series User Manual (DELTA_IA-PQ_AFE3000_UM_TC_20260330) P113