Warning

W01

Fan is locked.

4 Devices that report this code
IVEM 6048Inverter↗ view on device
W01Fan is locked.Warning
Description

Warning: Fan is locked. Beep three times every second.

Cause

Fan wiring not connected well or fan failure.

Recommended fix

Check if the Fan's wiring connected well. Replace the fan.

Source:felicitysolar IVEM 6048 Solar Inverter User Guide.pdf · page 36
IVEM8048-IIInverter↗ view on device
W01Fan is locked.Warning
Description

Warning: Fan is locked. Beep three times every second.

Cause

Fan wiring not connected well or fan failure.

Recommended fix

Check if the Fans wiring connected well. Replace the fan.

Source:IVEM8K-12K-II_compressed.pdf · page 42
IVEM8048-LVInverter↗ view on device
W01Fan is locked.Warning
Description

Warning: Fan is locked. Beep three times every second.

Cause

Fan wiring not connected well or fan failure.

Recommended fix

Check if the Fan's wiring connected well. Replace the fan.

Source:FelicitySolar IVEM8048-LV Single Phase Hybrid Inverter User Guide.pdf · page 37
T-REX-50KHP3G01Inverter↗ view on device
W01Battery 1 overvoltage alarm.Fault
Description

Battery 1 voltage is too high and the battery should be discharged.

Source:T-REX-50KHP3G01-user-manual-.pdf · page 44

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