Andrew S Derry , PA September 22, 2020 Appliance: Frigidaire Freezer FFU20FC6AW4 Was freezing up with ice, needed new fan and defrost switch I replaced the fan and switch for defrosting on the coil. Read More... Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours Tools: Nut Drivers, Screwdrivers, Socket Set