Aircon no longer cold

[roboblob]

I have noticed over the last week that the air-con has stopped being cold , I ran vagcom over it and the control unit is not throwing any errors up, I had a look at the air-con rad just in case something had made its way in ,but this also looks ok.
what I am unsure of is the magnetic clutch supposed to click when the the econ button is turned on then off again ,and is there supposed to be a click from any relays inside the passenger foot-well box ,as I am unable to hear anything when I press, I didn't even hear any clicks when I tried the diagnostic option from vagcom.

Any help would be great ,you think it might be anything as simple as a fuse for the clutch relay ? ( that's if it has such a beast )

The last regas was at the A8Parts meet.