Critical

F54

Temperature sensor disconnected.

3 Devices that report this code
F54Temperature sensor disconnected.Critical
Description

Temperature sensor disconnected.

Cause

Temperature sensor disconnected.

Recommended fix

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

Source:Apollo-5KLP1G01-All-in-one-ESS-User-Guide.pdf · page 44
F54Temperature sensor disconnected.Fault
Description

Temperature sensor disconnected or not detected.

Recommended fix

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

Source:T-REX-10KHP3G01-Inverter-User-Guide.pdf · page 29
F54Grid Underfrequency Fault.Fault
Description

The grid frequency is too low, check whether the grid frequency is within the normal range.

Source:T-REX-50KHP3G01-user-manual-.pdf · page 47

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