Leisure hja 6100 fridge freezer water dispenser stopped working?

The fan at the rear bottom of the fridge was very loud and squeezing, I removed the rear cover plate and cleaned the fan with a soft brush and Hoover, sprayed it with wd 40 which done the trick however the following day the water dispenser stopped working, ice maker started defrosting, 2nd shelf of the fridge is getting to cold,freezing the salad