Timothy S Greenfield , IN December 07, 2021 Er f1 code. The key to this repair is letting the freezer section completely defrost before changing the ice maker fan. There will be ice build-up, so before buying the part. Try unplugging the fridge and letting all of the ice melt then plug it back in. Read More... Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes Tools: Screwdrivers