Critical
1 Devices that report this code0x4013
Failure to connect the main positive circuit relay in the battery cluster high-voltage box.
0x4013Failure to connect the main positive circuit relay in the battery cluster high-voltage box.Critical— level 3
Cause
Open-circuit fault detected on main positive relay.
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.