Before replacing the control, unplug the freezer to avoid an electrical shock hazard.
Remove the temperature control dial or housing. Pull the dial straight away from the wall. Remove the temperature control. If there is a housing over the control, it either snaps into place or is held in place with screws. Remove the screws, or gently depress the retaining clips with a small screwdriver. Allow the housing to hang by its wiring.
Before replacing the control, unplug the freezer to avoid an electrical shock hazard. 
