Critical

0x2133

Fire system communication loss.

1 Devices that report this code
FLS-ES232LC-SEnergy storage system↗ view on device
0x2133Fire system communication loss.Criticallevel 3
Cause

No signal received or life signal unchanged from fire system.

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.