Fault

40

BAT short circuit.

2 Devices that report this code
IVGM5KL-P1G1Inverter↗ view on device
40BAT short circuit.Fault
Description

Battery port short circuit detected.

Recommended fix

1. Check whether the battery port is in short circuit; 2. if the fault still exists, please contact us for help.

Source:Felicitysolar IVGM Series Hybrid inverter Instruction Manual.pdf · page 53
T-REX-3KLP1G01Inverter↗ view on device
40Isolation resistance to ground of the PV string is too low.Fault
Description

Isolation resistance to ground of the PV string is too low.

Recommended fix

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

Source:T-REX-3_3.6_4_4.6_5_6KLP1G01-hybrid-inverter-user-guide-English.pdf · page 38

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