Fault

F53

PV parallel failure.

3 Devices that report this code
F53PV parallel failure.Fault
Description

PV parallel failure; PV1 and PV2 paralleling configuration mismatch.

Cause

PV1 and PV2 paralleling configuration mismatch.

Recommended fix

Please confirm whether PV1 and PV2 need to be set to parallel mode. if not, please turn off this function in APP. if necessary, please confirm whether the wiring of PV1 and PV2 is connected to parallel mode.

Source:Apollo-5KLP1G01-All-in-one-ESS-User-Guide.pdf · page 44
F53PV parallel failure.Fault
Description

PV parallel mode operation failure.

Recommended fix

Please confirm whether PV1 and PV2 need to be set to parallel mode. if not, please turn off this function in APP. if necessary, please confirm whether the wiring of PV1 and PV2 is connected to parallel mode.

Source:T-REX-10KHP3G01-Inverter-User-Guide.pdf · page 29
F53Grid Over-frequency Fault.Fault
Description

The grid frequency is too high, 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.