F31
Bus voltage is too high.
F31Bus voltage is too high.Critical
Bus voltage is too high; AC surge or internal components failed.
AC Surge or internal components failed.
Restart the unit, if the error persists, contact the repair center.
Apollo-5KLP1G01-All-in-one-ESS-User-Guide.pdf · page 43F31Over temperature happen at convert H circuit.Fault
Fault: Over temperature happen at convert H circuit.
The temperature of internal convert H component is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 38F31Over temperature happen at convert H circuit.Fault
Fault: Over temperature happen at convert H circuit.
The temperature of internal convert H component is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
IVEM8K-12K-II_compressed.pdf · page 44F31Over temperature happen at convert H circuit.Fault
Over temperature happen at convert H circuit.
The temperature of internal convert H component is over the limitation.
Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.
FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 39F31Bus voltage is too high.Fault
DC bus voltage exceeds permitted level.
AC Surge or internal components failed.
Restart the unit, if the error persists, contact the repair center.
T-REX-10KHP3G01-Inverter-User-Guide.pdf · page 29F31Bus voltage is too high.Critical
Bus voltage is too high.
AC Surge or internal components failed.
Restart the unit, if the error persists, contact the repair center.
T-REX-10KLP3G01-Inverter-User-Guide.pdf · page 28F31Battery 2 soft start fault.Fault
Battery 2 fails to raise the input voltage normally, shutdown and restart.
T-REX-50KHP3G01-user-manual-.pdf · page 46Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.