What should I do if I see an 'OE' error code on my dishwasher?

The 'OE' error code indicates a drainage problem. Check if the drain hose is kinked or pinched, ensure the knockout plug has been removed from the disposal or waste tee, and verify that the waste tee or disposal is not clogged. Feed the drain hose through the hole under the sink and gradually slide the dishwasher into the cabinet while pulling on the hoses to avoid kinking them.