You should be able to run it out of the counter top, pull it out. Then run it and look underneath, if its wet everywhere you have to dry it first to see where the leak starts. It's probably a hose clamp so look there. There is the upper main seal between the body and the motor pump assembly, look inside the washer take out the rack and run your thumb rough along the rubber as if the press the rubber seal in place. Sometimes drips can come down outside of hoses from way above like the drain. Dry it up with a towel then look as you test it