Critical

0x1033

Battery cluster cell overvoltage alarm (level 3).

1 Devices that report this code
FLS-ES232LC-SEnergy storage system↗ view on device
0x1033Battery cluster cell overvoltage alarm (level 3).Criticallevel 3
Cause

Cell voltage > 3,800 mV.

Recommended fix

Send faults externally, limit power and request lower high voltage; immediately cut off the main circuit relay. Recovers when < 3,700 mV.

Source:FLS-ES232LC-S.pdf

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