Fault
2 Devices that report this code43
BUS under voltage fault.
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 5443Parallel 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 39Compiled from official FelicityESS user manuals. Always consult your device manual and a qualified technician before performing repairs.