Chupacabra wrote: Condensation drain in the refrigerator compartment is blocked.
As far as he is there ...
Photo fridge, poor, looks non frost so:
1. Evaporator drainage outlet blocked or more likely blocked.
2. Problems with the defrost system. Heater + around.
3. Loss of refrigerant causing large and fast defrosting / freezing of the evaporator part that the defrost system cannot handle.
4. Problems with air circulation in the evaporator chamber. Fan, dampers.
The order is not necessarily according to the highest probability of occurrence.
The problem has been described many times in the forum. Just search ...