A FF error code indicates that the unit has detected an issue with the freezer fan. This can sometimes be caused by frost buildup. debris fan failure use a meter to test or can unplug the refrigerator to defrost.after a few hrs plug in and try unit should hear fan inside running
Failure of BLDC Fan Motor at Freezing Compartment. Contents: If there is no fan motor signal for more than 65 sec in operation fan motor. Remarks: Poor motor, hooking to wires of fan, contact of structures to fan, snapping or short circuit of Lead wires.
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