Fault

F74

Main and auxiliary DSP communication fault.

1 Devices that report this code
T-REX-50KHP3G01Inverter↗ view on device
F74Main and auxiliary DSP communication fault.Fault
Description

There is an error in the DSP communication, try to upgrade the software.

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.