Critical

0x10B3

Cell voltage accumulation undervoltage alarm in battery cluster (level 3).

1 Devices that report this code
FLS-ES232LC-SEnergy storage system↗ view on device
0x10B3Cell voltage accumulation undervoltage alarm in battery cluster (level 3).Critical— level 3
Cause

Vsum < 2.30V × N.

Recommended fix

Send faults externally, limit power, request lower high voltage; if command not received within 5s, cut off the main circuit relay. Recovers when Vsum > 2.40V × N.

Source:FLS-ES232LC-S.pdf

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