Check to make sure that your unit is not plugged into a circuit that has "ground fault interrupt" if your freezer does not run. Your freezer may also not work because the temperature control is on OFF. Make sure the freezer is plugged tightly into the electrical outlet. If the house fuse has blown or the circuit breaker has tripped, this will also cause the freezer to not run.Check the circuit breaker and reset it if necessary.
Make sure the freezer door is not kept open for too long if you find that your freezer is running too often or too long. If the room is warm, it is also normal for the freezer to run longer. Warm food in the freezer will also cause the freezer to run longer until it reaches the desired temperature. Turn the temperature knob to a warmer setting if the temperature is too cold. It will take several hours to reach the correct temperature. Another reason for the freezer running too long is because the gasket (seal) is dirty, worn or cracked. Replace it if this is the case.
Check that the door is closed tightly if you are experiencing moisture on the inside of the freezer walls. Opening the door often or for too long will cause moisture to accumulate on the inside. Hot and humid weather will also increase the internal rate of frost build-up. If this is the case, do not worry --- this is normal for the freezer.
Clean the inside of the freezer if you are experiencing an odor in the unit. Use warm water, baking soda and a sponge to clean. Make sure that all foods that give off a strong odor are covered tightly to avoid smells in the freezer.
Level the freezer if your unit is vibrating or making a rattling noise. You can tell if the freezer bottom is uneven if the unit rocks when it is moved slightly. In order to ensure that the unit is supported correctly, place wood or metal shims under the uneven part of the freezer. If the freezer is making a bubbling or gurgling sound, such as the sound of water boiling, that is the refrigerant circulating through the system. Do not worry about this since it is normal.