Is error 0x5182 a fault or a warning?

0x5182 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.

How do I clear or fix error 0x5182?

Send faults externally. (1) Non-high-voltage state dormant; (2) Normal high-voltage state hold; (3) Anomalous high-voltage state cut-off.

0x5182

Felicity ESS error 0x5182

Q: What does error 0x5182 mean on a Felicity ESS?

0x5182 means: Battery cluster SBCU wakeup loss. Anomalous high-voltage state (wakeup loss & EMS communication loss); cut-off with 5s delay and dormant. Trigger: < 9V.

Battery cluster SBCU wakeup loss

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

Battery cluster SBCU wakeup loss

Cause: Anomalous high-voltage state (wakeup loss & EMS communication loss); cut-off with 5s delay and dormant. Trigger: < 9V.

How to fix it

Send faults externally.
(1) Non-high-voltage state dormant; (2) Normal high-voltage state hold; (3) Anomalous high-voltage state cut-off.
Recovers when ≥ 9V.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error 0x5182 mean on a Felicity ESS?: 0x5182 means: Battery cluster SBCU wakeup loss. Anomalous high-voltage state (wakeup loss & EMS communication loss); cut-off with 5s delay and dormant. Trigger: < 9V.
Is error 0x5182 a fault or a warning?: 0x5182 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
How do I clear or fix error 0x5182?: Send faults externally. (1) Non-high-voltage state dormant; (2) Normal high-voltage state hold; (3) Anomalous high-voltage state cut-off.

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.