Fault

43

BUS under voltage fault.

2 Devices that report this code
43BUS under voltage fault.Fault
Description

When the power grid experiences an AC power outage, the device detects islanding proactively.

Recommended fix

1. Restart the system 2~3 times; 2. if the fault still exists, please contact us for help.

Source:Felicitysolar IVGM Series Hybrid inverter Instruction Manual.pdf · page 52Felicitysolar IVGM Series Hybrid inverter Instruction Manual.pdf · page 54
43Parallel CAN COMM abnormality.Fault
Description

Parallel CAN COMM abnormality.

Recommended fix

Test the parallel communication line, restart still have problems please contact the after-sales service.

Source:T-REX-3_3.6_4_4.6_5_6KLP1G01-hybrid-inverter-user-guide-English.pdf · page 39

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