Fault

F66

Fan 1 Fault.

1 Devices that report this code
T-REX-50KHP3G01Inverter↗ view on device
F66Fan 1 Fault.Fault
Description

Fan 1 is faulty, check whether the fan is normal.

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.