Fault

F78

BAT1 Insulation Impedance fault.

1 Devices that report this code
T-REX-50KHP3G01Inverter↗ view on device
F78BAT1 Insulation Impedance fault.Fault
Description

Battery 1 insulation is abnormal.

Source:T-REX-50KHP3G01-user-manual-.pdf · page 48

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