0x10A2Fault

Felicity ESS error 0x10A2

Cell voltage accumulation overvoltage alarm in battery cluster (level 2)

Fault — the 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

Cell voltage accumulation overvoltage alarm in battery cluster (level 2)

Cause: Vsum > 3.7V × N (N = number of battery strings).

How to fix it

  1. Send faults externally and limit power.
  2. Recovers when Vsum < 3.65V × N.

Source: FLS-ES232LC-S.pdf

Frequently asked questions

What does error 0x10A2 mean on a Felicity ESS?
0x10A2 means: Cell voltage accumulation overvoltage alarm in battery cluster (level 2). Vsum > 3.7V × N (N = number of battery strings).
Is error 0x10A2 a fault or a warning?
0x10A2 is a fault code: the ESS unit enters protection and stops normal operation until it is cleared.
How do I clear or fix error 0x10A2?
Send faults externally and limit power. Recovers when Vsum < 3.65V × N.

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.