Dishes coming out covered in food particles or a gritty film. Water backing up into the sink when the dishwasher drains. Step 1: Check the Basics
Inevitable, frustrating, but fixable. Would not recommend as a permanent feature of your kitchen. clogged dishwasher drain line
Sometimes the problem isn't a deep clog, but a simple blockage at the entry point. Dishes coming out covered in food particles or a gritty film
If your dishwasher drains into a disposal, run the disposal with plenty of water. A full disposal is the most common cause of dishwasher drainage issues. Would not recommend as a permanent feature of your kitchen
If you have cleared the filter, checked the hose, and the "check drain" light is still flashing on your control panel, the issue may be a faulty drain pump or a solenoid. At this stage, it is best to call a professional appliance repair technician.
If the filter and disposal are clear, the clog is likely inside the flexible drain hose that connects the dishwasher to the sink plumbing.