0x1013Critical

Felicity ESS error 0x1013

Battery cluster cell overtemperature alarm (level 3)

Criticalthe 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 cell overtemperature alarm (level 3)

Cause: Cell maximum temperature > 60°C.

How to fix it

  1. Send faults externally, limit power and request to lower high voltage; if command not received within 5s, cut off the main circuit relay.
  2. Recovers when Temp_max < 55°C.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error 0x1013 mean on a Felicity ESS?
0x1013 means: Battery cluster cell overtemperature alarm (level 3). Cell maximum temperature > 60°C.
Is error 0x1013 a fault or a warning?
0x1013 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
How do I clear or fix error 0x1013?
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 Temp_max < 55°C.

Related error 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.