Fault

F55

Grid Reverse Sequence Fault.

1 Devices that report this code
T-REX-50KHP3G01Inverter↗ view on device
F55Grid Reverse Sequence Fault.Fault
Description

The grid phase sequence is reversed, check the grid phase sequence wiring.

Source:T-REX-50KHP3G01-user-manual-.pdf · page 47

Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.