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Good afternoon.The Er IF means your ice maker fan has failed. your refrigerator has two fans one is the duct fan which blows cold air into the ice maker assembly. Its located in the freezer section behind the back panel.hope this helps, thanks Bryanappliancepartsimages.com/dbImages/i/00003485/Cooling-Fan-5209JA1044A--01048573.jpg" alt="Cooling Fan 5209JA1044A Main Product View" width="417" height="327"/>you need to order and replace the fan assembly. the fan assembly is part # XXXXX on this diagram .