Is water sitting at bottom of a new Whirlpool Dishwasher (wdf520padm9) normal after a cycle? It's new (3 months, run twice) and we checked the filter and drain pump for clogs :
How to Diagnose Draining and Motor Problems in a Dishwasher | eSpares
Amazon.com: Whirlpool W11025157 Dishwasher Pump and Motor : Appliances