Fault
1 Devices that report this codeT1
Keine Kommunikation mit Wechselrichter.
T1Keine Kommunikation mit Wechselrichter.Fault
Description
Unable to communicate with the inverter. Maintenance troubleshooting item (no LCD code).
Cause
The wrong communication cable was used, or the battery DIP-switch settings are incorrect (Falsches Kommunikationskabel verwendet oder DIP-Schalter falsch eingestellt).
Recommended fix
Before connecting the battery to the inverter, set the battery DIP switches correctly according to the DIP-switch table. After setting the DIP switches, restart the battery to activate the DIP, then use the correct communication cable to connect the battery and the inverter.
Source:
Benutzerhandbuch - Felicity FLS48100SG2.pdf · page 27Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.