What does error PCS-ARM-43 mean on a Felicity ESS?

PCS-ARM-43 means: ARM software fault - BMS abort. BMS abort signal received.

Is error PCS-ARM-43 a fault or a warning?

PCS-ARM-43 is a warning: the unit keeps running. Fix the underlying condition before it escalates.

How do I clear or fix error PCS-ARM-43?

Power down the inverter, wait 5 minutes for capacitors to discharge, then restart. If the fault recurs immediately or repeatedly, record the exact code and contact your installer or the manufacturer's service line.

PCS-ARM-43

Felicity ESS error PCS-ARM-43

ARM software fault - BMS abort

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 - BMS abort

Cause: BMS abort signal received.

How to fix it

Power down the inverter, wait 5 minutes for capacitors to discharge, then restart.
If the fault recurs immediately or repeatedly, record the exact code and contact your installer or the manufacturer's service line.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error PCS-ARM-43 mean on a Felicity ESS?: PCS-ARM-43 means: ARM software fault - BMS abort. BMS abort signal received.
Is error PCS-ARM-43 a fault or a warning?: PCS-ARM-43 is a warning: the unit keeps running. Fix the underlying condition before it escalates.
How do I clear or fix error PCS-ARM-43?: Power down the inverter, wait 5 minutes for capacitors to discharge, then restart. If the fault recurs immediately or repeatedly, record the exact code and contact your installer or the manufacturer's service line.

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.