A dishwasher is usually the only thing that gets notice when it stops working. Until that point, it's normal. Empty the plates. Add detergent. Click start. Walk away. So when it starts acting abnormally, the majority of homeowners feel uneasy first, then confused and then delayed action follows soon after. It is true that, in Melbourne households, the dishwashers work to a high degree. The constant use of dishwashers, hard water in certain areas, food residue, and unplanned loading habits w...