Critical

0x2153

Communication loss between SBCU and EMS (for liquid-cooled single cabinet).

1 Devices that report this code

FLS-ES232LC-SEnergy storage system↗ view on device

0x2153Communication loss between SBCU and EMS (for liquid-cooled single cabinet).Critical— level 3

Cause

No signal received or life signal unchanged.

Recommended fix

Send faults to EMS, limit power, request lower high voltage; if command not received within 5s, cut off the main circuit relay.

Source:FLS-ES232LC-S.pdf

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