Critical

0x2083

Loss of communication between battery cluster SBCU and BMCU.

1 Devices that report this code
FLS-ES232LC-SEnergy storage system↗ view on device
0x2083Loss of communication between battery cluster SBCU and BMCU.Criticallevel 3
Cause

No signal received or life signal unchanged.

Recommended fix

Send faults externally, limit power and request to lower high voltage; if command not received within 5s, cut off the main circuit relay. Recovers when life signal changed.

Source:FLS-ES232LC-S.pdf

Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.