Dishwasher not draining issue usually occurs due to kinked drain pipe, clogged drain filter or drain pump. Check the drain hose for any visible clogging, remove if present. If no visible lint is present then remove then turn off the dishwasher and remove the drain hose and check for any visible clogging. If still not visible then the drain filter or drain pump is clogged and you'll need to clean the drain filter and drain pump.
Please note that dishwashers don't drain out the complete water such that heating element doesn
Here is a tip that I wrote that will help you with your dishwasher not draining problem...
Dishwasher Problems - Water will not drain out
Usually answered in minutes!