Fault

F03

Bus soft start fail.

4 Devices that report this code
F03Bus soft start fail.Fault
Description

Fault: Bus soft start fail.

Cause

Internal components failed.

Recommended fix

Restart the unit, if the error persists, contact the repair center.

Source:felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36
F03Bus soft start fail.Fault
Description

Fault: Bus soft start fail.

Cause

Internal components failed.

Recommended fix

Restart the unit, if the error persists, contact the repair center.

Source:IVEM8K-12K-II_compressed.pdf · page 43
F03Bus soft start fail.Fault
Description

Bus soft start fail.

Cause

Internal components failed.

Recommended fix

Restart the unit, if the error persists, contact the repair center.

Source:FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37
F03PV3 overvoltage fault.Fault
Description

The voltage of the PV3 is too high, check the voltage of the string.

Source:T-REX-50KHP3G01-user-manual-.pdf · page 45

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