What does error PCS-ARM-15 mean on a Felicity ESS?

PCS-ARM-15 means: ARM software fault - system phase sequence error. Phase sequence reversed/incorrect.

Is error PCS-ARM-15 a fault or a warning?

PCS-ARM-15 is a warning: the unit keeps running. Fix the underlying condition before it escalates.

How do I clear or fix error PCS-ARM-15?

PCS shall be automatically reset and restarted after the fault is rectified on the site. Check correspondence between ABCN phase sequence and the modules.

PCS-ARM-15

Felicity ESS error PCS-ARM-15

ARM software fault - system phase sequence error

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

FLS-ES232LC-S

Energy storage systemWarning

What it means

ARM software fault - system phase sequence error

Cause: Phase sequence reversed/incorrect.

How to fix it

PCS shall be automatically reset and restarted after the fault is rectified on the site.
Check correspondence between ABCN phase sequence and the modules.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error PCS-ARM-15 mean on a Felicity ESS?: PCS-ARM-15 means: ARM software fault - system phase sequence error. Phase sequence reversed/incorrect.
Is error PCS-ARM-15 a fault or a warning?: PCS-ARM-15 is a warning: the unit keeps running. Fix the underlying condition before it escalates.
How do I clear or fix error PCS-ARM-15?: PCS shall be automatically reset and restarted after the fault is rectified on the site. Check correspondence between ABCN phase sequence and the modules.

Related error codes

Other codes on the FLS-ES232LC-S

All FLS-ES232LC-S codes

Prefer the full written guide? Read the complete Felicity inverter error-code guide

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