Hisense fridge

I have a refrigerator Hisense my fridge has been fixed for more than 4 times, I've complained about the same thing for 7 times. It was first spoiling the food, then freezing fresh food, now its spoiling my food. Nothing was ever done when you go there reporting it same **** always. I have said they should refund me since I bought it cash at no debit order still have not been refunded...Hi Fi corporation at Jabulani mall service from Nokuthula is ****