Critical
1 Devices that report this code0x4143
Battery cluster relay sticking detection circuit failure.
0x4143Battery cluster relay sticking detection circuit failure.Critical— level 3
Cause
After low voltage applied without enabling relay: DO4 input voltage not 20-32V or DI1/2 feedback state is 0; after enabling relay: DO4 input voltage not 20-32V or DI1/2 feedback state is 1.
Recommended fix
Send faults externally, limit power, request lower high voltage; if command not received within 5s, cut off the main circuit relay.
Source:
FLS-ES232LC-S.pdfCompiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.