>>3025754 (lb)
Then you may have a coolant leak.
"While most new fridge-freezer models do not use Freon as a coolant, older refrigerators often do. Finding out if a refrigerant leak is the culprit behind a broken down unit is an easy process. The most telltale sign of a refrigerant leak is the presence of an oily substance at the bottom of the appliance. If you are unable to detect such a substance, then there are a number of alternative things to inspect in order to get to the bottom of the problem. You should also keep in mind that these types of coolant leaks are often the result of a puncture,..."