Delta vRES fault code meaning
Delta / vRES
Series: AFE3000
Voltage resonance
active front end
Meaning: While stopped, the mains voltage feedback exceeds the set level the set number of times within the set time.
Possible causes
- Supply voltage error
Source: AFE3000 Series User Manual (DELTA_IA-PQ_AFE3000_UM_TC_20260330) P104