can u tell what could be wrong with my fridge ? at the very back of the inside of the fridge lots of ice is building up much more than usual so i defrosted it and within a couple of days the same thing has happened ! I have cleared the wee hole at the bottom of the inside of the fridge so there is no blockage problem but i have notice the black bottle type thing at the back is really hot to touch but i dont know wot its called to get a new one to try that can anyone enlighten me !!!!thanx could it be my thermostat ?