Light flashing, food defrosting?

my servis frost free fridge freezer is doing the same thing it did it two weeks ago and all my frozen defrosted then it was fine the next day and now two weeks later the red light came on again and my food slowly defrosted it doesnt seem to affect the fridge its really annoying as today its fine and my ice pops are frozen again it must be some kind of fault but im gonna have to either get it repaired or get a new one as its not reliable can anyone help?

joannee28
January 2010