What does error T4 mean on a Felicity battery?

T4 means: Hoher Lade-/Entladestrom verursacht Ausgangsabschaltung. The charging and discharging current set on the inverter is too high.

Is error T4 a fault or a warning?

T4 is a fault code: the battery enters protection and stops normal operation until it is cleared.

Felicity battery error T4

Hoher Lade-/Entladestrom verursacht Ausgangsabschaltung

Fault — the battery 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.

FLS48100SG2

BatteryFault

What it means

Hoher Lade-/Entladestrom verursacht Ausgangsabschaltung — High current charging and discharging causes output cutoff. Maintenance troubleshooting item (no LCD code).

Cause: The charging and discharging current set on the inverter is too high.

How to fix it

Set the charging and discharging current on the inverter according to the recommended values in the battery manual (60A x N, max 400A).

Source: Benutzerhandbuch - Felicity FLS48100SG2.pdf, p.27

Frequently asked questions

What does error T4 mean on a Felicity battery?: T4 means: Hoher Lade-/Entladestrom verursacht Ausgangsabschaltung. The charging and discharging current set on the inverter is too high.
Is error T4 a fault or a warning?: T4 is a fault code: the battery enters protection and stops normal operation until it is cleared.
How do I clear or fix error T4?: Set the charging and discharging current on the inverter according to the recommended values in the battery manual (60A x N, max 400A).

Related error codes

Other codes on the FLS48100SG2

All FLS48100SG2 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.