The coiles in the freezer

Question

the coiles in the freezer compartment are freezing up with ice on them.the refrigerator keeps runing 24 hours a day . i had this problem when i bought this frige.the part was replaced under warranty. my appliance felt that i should contact you with this problem cause he heard there is a problem with this fridge. model no. gss201embww serial no. fd264952. 570-477-5281 cell 570-592-8317