Frigidaire 20 cu. ft. / 566 liter Upright Freezer FFU20FC4A "lffu1153dw2" Questions

we have a upright frigidaire model LFFU1153DW2 that doesn't get COLD. I have left it unplugged for 6 days and it just will not get cold the temp control is set @ 6 the light comes on and nothing IS ...