Critical

0x1043

Battery cluster cell undervoltage alarm (level 3).

1 Devices that report this code

FLS-ES232LC-SEnergy storage system↗ view on device

0x1043Battery cluster cell undervoltage alarm (level 3).Critical— level 3

Cause

Cell voltage < 2,300 mV.

Recommended fix

Send faults externally, limit power and request lower high voltage; immediately cut off the main circuit relay. Recovers when > 2,400 mV.

Source:FLS-ES232LC-S.pdf

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