If it's the freon, you'll need a technician with the proper equipment to find and repair the leak and recharge with freon. But make sure that is your problem.
Check to see if the condenser fan at the outside back bottom of fridge is running.
Is the compressor motor near that fan running.
Are the coils warm ,cold or hot.
Is the evaporator fan in the freezer running.
Below the evaporator fan is the evaporator coils. Remove the back cover in the freezer to observe the frost pattern. stopped up? clear? ice in one spot . frost everywhere?If the evaporator coils behind the back panel of the freezer are icing up because of auto defrost failure that will stop the circulation of cold air and eventually affect the freezer too.
check defrost timer, defrost heater, defrost thermostat Refrigerator Repair Guide: How To Fix a Refrigerator - ACME HOW TO.com |