Fault

91

Push-button shutdown alarm.

1 Devices that report this code

IVGM5KL-P1G1Inverter↗ view on device

91Push-button shutdown alarm.Fault

Description

Parallel synchronization signal lost.

Recommended fix

1. Check whether Parallel cables are firmly and correctly connected; 2. Restart the system 2~3 times; 3. Seek help from us, if can not go back to normal state.

Source:Felicitysolar IVGM Series Hybrid inverter Instruction Manual.pdf · page 52Felicitysolar IVGM Series Hybrid inverter Instruction Manual.pdf · page 56

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