Fault

F18

Over temperature happen at PV circuit.

5 Devices that report this code
IVEM 6048Inverter↗ view on device
F18Over temperature happen at PV circuit.Fault
Description

Fault: Over temperature happen at PV circuit.

Cause

The temperature of internal PV converter component is over the limitation.

Recommended fix

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 37
IVEM8048-IIInverter↗ view on device
F18Over temperature happen at PV circuit.Fault
Description

Fault: Over temperature happen at PV circuit.

Cause

The temperature of internal PV component is over the limitation.

Recommended fix

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:IVEM8K-12K-II_compressed.pdf · page 43
IVEM8048-LVInverter↗ view on device
F18Over temperature happen at PV circuit.Fault
Description

Over temperature happen at PV circuit.

Cause

The temperature of internal PV component is over the limitation.

Recommended fix

Check whether the air flow of the unit is blocked or whether the ambient temperature is too high.

Source:FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 38
T-REX-10KLP3G01Inverter↗ view on device
F18The output overcurrent is abnormal.Fault
Description

The output overcurrent is abnormal.

Recommended fix

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

Source:T-REX-10KLP3G01-Inverter-User-Guide.pdf · page 28
T-REX-50KHP3G01Inverter↗ view on device
F18Battery 1 Undervoltage fault.Fault
Description

Battery 1 voltage is too low, the battery should be charged.

Source:T-REX-50KHP3G01-user-manual-.pdf · page 46

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