I had the same problem, i found another blog which recommended this, and it worked,
Switch off the machine, plug it off..
now press the "Set cooling" button on the freezer panel for 10 seconds.. this resets the internal mechanism, dont ask me how but it does.
Next keep the freezer door open for around 10 minutes.
after 10 minutes, plug the appliance in and switch it on.
and it should work normally.
Kris., December 2014