Wipe the interior
Always clean the interior shelves and walls weekly with a soft cloth, warm water and manufacturer's recommended cleaner. Of course, if it gets dirty sooner, you should clean it sooner than a week. Remember to remove all products and place them in another refrigerator when cleaning.
Wipe out the outer part
Use a soft cloth, warm water, and the manufacturer's recommended cleaner to clean the exterior every week. Do not use abrasive cleaners or chlorine on stainless steel surfaces.

Clean the condenser coil
Condenser coils can pick up dust or grease and build up on them. You should vacuum and clean the condenser coil at least once every three months.
Check the gaskets
Check the door gaskets at least once a month. Wipe them with a damp cloth to keep them clean. If you see any kind of wear, cracks or holes and tears, replace them.