Fault

54

Inverter over voltage fault. Recommended fix: 1. Restart the system 2~3 times; 2. if the fault still exists, please contact us for help.

Temperature sensor disconnected. Recommended fix: Restart the unit, if the error persists, contact the repair center.

INV over voltage fault.

2 Devices that report this code

54INV over voltage fault.Fault

Description

Inverter over voltage fault.

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 54

54Temperature sensor disconnected.Fault

Description

Temperature sensor disconnected.

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 39

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