What does error 0x2013 mean on a Felicity ESS?

0x2013 means: Loss of communication between battery cluster SBCU and BMU. No signal received or life signal unchanged.

Is error 0x2013 a fault or a warning?

0x2013 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.

How do I clear or fix error 0x2013?

Send faults externally, limit power and request to lower high voltage; if command not received within 5s, cut off the main circuit relay. Recovers when life signal changed.

0x2013

Felicity ESS error 0x2013

Loss of communication between battery cluster SBCU and BMU

Critical — the ESS unit shuts down and latches a protection fault. Don't keep restarting it — the cause needs checking first.

FLS-ES232LC-S

Energy storage systemCritical

What it means

Loss of communication between battery cluster SBCU and BMU

Cause: No signal received or life signal unchanged.

How to fix it

Send faults externally, limit power and request to lower high voltage; if command not received within 5s, cut off the main circuit relay.
Recovers when life signal changed.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error 0x2013 mean on a Felicity ESS?: 0x2013 means: Loss of communication between battery cluster SBCU and BMU. No signal received or life signal unchanged.
Is error 0x2013 a fault or a warning?: 0x2013 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
How do I clear or fix error 0x2013?: Send faults externally, limit power and request to lower high voltage; if command not received within 5s, cut off the main circuit relay. Recovers when life signal changed.

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.