Delta RtLv fault code meaning
Delta / RtLv
Series: VP3000-E, VP3000
Battery undervoltage
AC motor drive
Meaning: An external battery is used, and its voltage is insufficient.
Possible causes
- Insufficient battery voltage
- Battery detection error
Source: VP3000-E & VP3000-EHS User Manual (DELTA_IA-MDS_VP3000-E-VP3000-EHS_UM_SC_20260306) P477; VP3000 Series User Manual (DELTA_IA-MDS_VP3000_UM_TC_20250523) P512