Cleaning and maintaining your dishwasher It’s best to clean spills on the exterior of your dishwasher as they occur. Use a soft, damp piece of cloth to gently wipe away spills and dust from the control panel.Caution: Do not use benzene, wax, thinner, chlorine bleach, or alcohol. These chemicals may discolour the inner walls of the dishwasher and cause stains. Do not clean the dishwasher by sprinkling water over it. In particular, protect the electrical components from coming into contact with water.CLEANING THE WASH CABINET If there are limescale or grease deposits in the cabinet, remove these by damp cloth or run a programme which has highest rinsing temperature without any loading items after filling detergent dispenser with dishwasher detergent.