Critical

0x1023

Battery cluster cell undertemperature alarm (level 3).

1 Devices that report this code
FLS-ES232LC-SEnergy storage system↗ view on device
0x1023Battery cluster cell undertemperature alarm (level 3).Critical— level 3
Cause

Cell minimum temperature < -30°C.

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 Temp_min > 0°C.

Source:FLS-ES232LC-S.pdf

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