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Assuming the bottom dishdrawer is working ok, it is likely the controller on the top drawer is either faulty or sensing some incorrect signal. If pressing any of the panel buttons makes no difference, then most likely the controller is faulty.
By the way I am unclear why you mention two models in your problem description. DD603 is a double drawer dishwasher and DS603 is a single drawer unit.
Hi Dishwasher not pumping 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 check the parts manual for your dishwasher, check the drain pump & drain filter's location from the link---
There is a water leak in the bottom housing and a leak sensor detects to give a F1. Pull out the tube and put your hand in the front from the left ( only on this side has enough room to access) with the small towel to dry out the water on the bottom housing. After dry out, unplug the power for at least 24 hours so the sensor can be dried out and reset. However, make sure to fix the leak from the top seal, otherwise, it keep happening.
Sounds like your lid actuators are not opening completely, they move the lid up and down. They are prone to failure, F/P has new actuators, German made, that can be installed and would probably solve the problem.