What does error PCS-ARM-31 mean on a Felicity ESS?

PCS-ARM-31 means: ARM software fault - DC soft start switching-on failure. DC soft start failed to close.

Is error PCS-ARM-31 a fault or a warning?

PCS-ARM-31 is a warning: the unit keeps running. Fix the underlying condition before it escalates.

Cannot reset to restart, manual confirmation required. 1) Check DC voltage sampling and calibration deviation.

PCS-ARM-31

ARM software fault - DC soft start switching-on failure

Warning — a protection warning — the ESS unit keeps running, but deal with the cause before it escalates.

Energy storage systemWarning

ARM software fault - DC soft start switching-on failure

Cause: DC soft start failed to close.

Source: FLS-ES232LC-S.pdf

What does error PCS-ARM-31 mean on a Felicity ESS?: PCS-ARM-31 means: ARM software fault - DC soft start switching-on failure. DC soft start failed to close.
Is error PCS-ARM-31 a fault or a warning?: PCS-ARM-31 is a warning: the unit keeps running. Fix the underlying condition before it escalates.
How do I clear or fix error PCS-ARM-31?: Cannot reset to restart, manual confirmation required. 1) Check DC voltage sampling and calibration deviation.

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