APM 6111 Fridge Too Cold

[minofso]

I have a intergrated Built Under Hygena fridge/ freezer model number APM 6111. The problem I am having is the fridge runs continuously. During Summer months; no matter what position the stat is on, it just does not stop and will only get as low as 6 °C.
Now it is cooler outside temp, I can get the stat to operate if set at number 1, and this is also at 6 °C . If the stat is turned any higher, or I stock the fridge with cans of beer; the fridge will cool down to 2 °C and not switch off; not even by reducing the thermostat setting.
I recently bought a new stat from UK Whitegoods and this does exactly the same although I can get the temp down to 5 °C but this is with the stat set at absolute minimum.
The stat is connected correctly (being an electrician) and the capillary tube and probe is routed correctly. The probe is clamped to the rear of the cooling plate.
I have noticed that when the fridge is cycling ok; the cooling plate is cold with beads of water on it but not iced. What makes it run continous, is when the cooling plate is iced up and the temp probe is also iced.
The freezer box does freeze but I wouldn't want to store any food in it for any length of time. I have also checked the door seal and does look and appear ok.
Any help in resolving this matter would be much appreciated.
Thank you

 

[rocks1]

believe it or not theres nothing wrong with you fridge freezer,only 2 things in your ff is stat and compressor ,what you explained is ok comp will only shut off for a little while, poss when your a sleep .if the comp has stopped for more than 4 hrs thats when you panic ,its building up ice while its running .