hisense fridge freezer 1 1/2 year old stop cooling and freezing com

hisense fridge freezer 1 1/2 year old stop cooling and freezing com Hi i have hisense fridge freezer 1 1/2 year old stop cooling and freezing compressor working it is hot to touch fan working too I cleaned coil condenser seems like working but not cooling and freezing please help me to find the problem