If your freezer stops working, you may be able to repair it. A few repair parts of a freezer include the following:
Controls: If your freezer no longer powers on, or freezes, it may be a problem with the electronic controls.
Fan motor: If your freezer is making a weird, the fan motor may need to be replaced.
Defrost heater: If your freezer has a lot of extra ice and frost build-up, it may be a problem with the defrost heater.
Defrost drain: If your freezer is leaking water, you may need to replace the defrost drain.