how do dishwashers work?

Most dishwashers are designed with very similar set ups. The information below will help you understand how most dishwashers work. Before looking at the problems with dishwashers, it is important that you have an understanding of how they work. When you open the dishwasher, you will normally see some standing water in the bottom of it. This water helps to keep the seals from drying out. When you first start your machine, it will drain this water first, and then refill it with fresh water. After you load your dishwasher, you set the controls to the settings you need for the dishes you want to wash. The selector switch lets you choose the length of the wash cycle, the water temperature, and the drying temperature. You’ll probably want to check your owner’s manual to determine the settings you need to use. Once it is loaded and you have the settings where you want them, you want to make sure that the door is latched and locked properly. This will engage the door switch and keep the water ... more

[Dishwasher Repair Tips, DIY Help, and Information] [Common Questions About Dishwashers (FAQs)] When you open the dishwasher, you will normally see some standing water in the bottom of it. This water helps to keep the seals from drying out. When you first start your machine, it will drain this water first, and then refill it with fresh water. After you load your dishwasher, you set the controls to the settings you need for the dishes you want to wash. The selector switch lets you choose the length of the wash cycle, the water temperature, and the drying temperature. Youll probably want to check your owners manual to determine the settings you need to use. Once it is loaded and you have the settings where you want them, you want to make sure that the door is latched and locked properly. This will engage the door switch and keep the water from leaking out. If the door switch is not engaged, the dishwasher will not operate. Turn on the dishwasher with the start switch. ... more

Dishwashers are not the most complicated machines, and you can get a good feel for how dishwashers work by simply opening up a dishwasher and having a look inside. There are 3 main cycles involved in cleaning the dishes (similar to if you were washing by hand). The length of each cycle varies between dishwashers, and in some cases each cycle will run multiple times. The 3 cycles are as follows: Wash Cycle Water comes into the dishwasher through the water inlet, this water fills a basin at the bottom of the dishwasher (below the dish racks). Although dishwashers are designed to be watertight, this basin doesn't normally fill to above the level of the door. Once this basin is full, the water is heated to around 60 degrees Celsius using a heating element in the bottom of the dishwasher. The detergent is mixed with this water through the dispenser, leaving a basin of hot soapy water ready to clean the dishes with. This mixture is generally more alkaline than if washing by hand, and hence m ... more

Some energy efficient dishwashing models are more energy and water efficient than others. The U.S. Government has a chart that gives the annual energy consumption of different models. This is a great way to shop and compare, especially if you are concerned about your utility bills. While dishwashers use more energy than handwashing, they definitely save on time spent washing and on the amount of water that is used. ... more