Warning
1 Devices that report this codePCS-ARM-51
ARM software fault - battery software undervoltage.
PCS-ARM-51ARM software fault - battery software undervoltage.Warning— level 1
Cause
Battery undervoltage detected by software.
Recommended fix
Reset to restart. Measure battery voltage; check contactor of high-voltage box, DC fuse. More than 3 faults in one day require manual intervention.
Source:
FLS-ES232LC-S.pdfCompiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.