Warning

PCS-ARM-18

ARM software fault - DC busbar software undervoltage.

1 Devices that report this code
FLS-ES232LC-SEnergy storage system↗ view on device
PCS-ARM-18ARM software fault - DC busbar software undervoltage.Warning— level 1
Cause

DC busbar undervoltage detected by software.

Recommended fix

Reset to restart. Measure battery voltage; check contactor and DC fuse. More than 3 faults in one day require manual intervention.

Source:FLS-ES232LC-S.pdf

Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.