Critical
1 Devices that report this code0x2013
Loss of communication between battery cluster SBCU and BMU.
0x2013Loss of communication between battery cluster SBCU and BMU.Critical— level 3
Cause
No signal received or life signal unchanged.
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 life signal changed.
Source:
FLS-ES232LC-S.pdfCompiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.