Refrigerator is not as cold as it should be
1.
Check the doors are closed properly.
2.
Check the door seals are clean, free from debris and not damaged.
3.
Check that the thermostat is set to the correct temperature.
Note: See the "Temperature Settings" topic for more information.
4.
The appliance may have been overfilled.
Note: See the "Shelf location and Efficiency" topic for more information on food storage.
5.
The doors may be being opened too frequently.
Each time the door is opened, some of the cooled air escapes and warmer air comes in.