check if the water reaches the appropriate temperature - a faulty heater might be the cause of the problems. The problem is often hard water, which leaves white marks and damages the dishwasher.

Although homemade solutions ... liquid to the dishwasher is a bad idea. This type of liquid creates a lot of foam, which is hard to eliminate and can lead to problems with the appliance.

When that line becomes obstructed or improperly vented, wastewater can flow back into the sink instead of draining away as intend ...