0x1052Fault

Felicity ESS error 0x1052

Battery cluster charging current exceeding limit alarm (level 2)

Faultthe ESS unit enters fault protection and stops normal operation until the fault is cleared — how it is shown (LED pattern or display code) depends on the model.

FLS-ES232LC-S

Energy storage systemFault

What it means

Battery cluster charging current exceeding limit alarm (level 2)

Cause: Charging current > 110% × allowable current.

How to fix it

  1. Send faults externally and limit power.
  2. Recovers when < 105% allowable current.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error 0x1052 mean on a Felicity ESS?
0x1052 means: Battery cluster charging current exceeding limit alarm (level 2). Charging current > 110% × allowable current.
Is error 0x1052 a fault or a warning?
0x1052 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
How do I clear or fix error 0x1052?
Send faults externally and limit power. Recovers when < 105% allowable current.

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.