Google the problem. Watch several YouTube videos. Follow the diagnostic steps for this issue: check the filters, check the drain hose, then check the pump. Our pump was working intermittently so that threw us at first. But then it finally quit so was obviously the problem. Googled the dishwasher's model number and found out the part number for the filter. Googled the part number and found the best price at AppliancePartsPros.com! The site verifies that the part is compatible with your appliances model number, so dummy proof. To actually change the pump was easy. Hardest part was pulling the dishwasher out, but you can do this. For our time and the price of the pump (91.79 including tax and shipping) we are back in business!!