Critical
1 Devices that report this code0x40F2
Failure to disconnect the main positive circuit relay in the battery cluster high-voltage box.
0x40F2Failure to disconnect the main positive circuit relay in the battery cluster high-voltage box.Critical— level 3
Cause
Sticking failure - main positive relay cannot open.
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.