Thanks, Yes please i have a side by side frost free fridge freezer which has away been great but now the problem is that it's not defrosting like it use to i have to do it manually I have the defrost time clock and it works fine but after a few hours do you think that it could be the defrost stat which is on the evaporator or the the evaporator heater can you help with the parts that might need Many thanks. Emilio.