Critical
1 Devices that report this code0x20D3
Battery cluster SBCU insulation sampling circuit fault (before applying high voltage).
0x20D3Battery cluster SBCU insulation sampling circuit fault (before applying high voltage).Critical— level 3
Cause
Invalid insulation sampling partial voltage value.
Recommended fix
Send faults externally, cluster disables insulation detection function with high voltage prohibited. Recovers on normal sampling.
Source:
FLS-ES232LC-S.pdfCompiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.