Fault

F73

CT or Hall open circuit fault.

1 Devices that report this code
F73CT or Hall open circuit fault.Fault
Description

Current sensing device is faulty, check CT or Hall element connections.

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.