While you wait for answers, we may have found some information which could help you.
Click here for Fridge Gas SmellFreezer builds condensation and freezes?
Ice forming on outside of freezer?
Bosch KUR15A50GB fridge collects water?
Faulty light in Bosch Fridge Freezer?
Whirlpool Fridge Freezer CF Error?
How do I mend my fridge/freezer?