T6Fault

Felicity battery error T6

Battery data on the inverter is missing or incorrect (parallel operation)

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

Battery data on the inverter is missing or incorrect (parallel operation) — When multiple batteries are connected in parallel, battery data on the inverter is missing or incorrect. Maintenance troubleshooting item (no LCD code).

Cause: The parallel connection of the batteries is not set up correctly.

How to fix it

  1. Check the communication cables between the batteries
  2. Check whether the battery DIP switches are set in the correct sequence (per the DIP code table).

Source: fls48100sg2-datasheet.pdf, p.27

Models that show T6

Frequently asked questions

What does error T6 mean on a Felicity battery?

T6 means: Battery data on the inverter is missing or incorrect (parallel operation). The parallel connection of the batteries is not set up correctly.

Is error T6 a fault or a warning?

T6 is a fault code: the battery enters protection and stops normal operation until it is cleared.

How do I clear or fix error T6?

1. Check the communication cables between the batteries.

Related error codes

Other codes on the FLS48100SG2

T6 is in the "Fault" class on the FLS48100SG2: 21 of the 21 codes documented for it.

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.