Fisher & Paykel Dual Drawer Dishwasher DD605 - F9 Code / Electronics Problem

[RSGCurtis]

Greetings!

I have a Fisher & Paykel DishDrawer DD605i.   This forum was of great help to me several years back, when I had a heater plate failure and was able to replace it successfully.  Since then, the second heater plate went out and I felt gratitude for the forum yet again.

My problem today is unfortunately self-inflicted.  While giving the bottoms of each drawer a much needed scrubbing, I used a cleaning agent that foamed up quite a bit when I ran a rinse cycle after the scrubbing.    The foam overflowed and water collected in the base of the unit where most of the electronics are housed, causing flashing red lights, beeping, etc.   I got things dried out, and now the top drawer works fine but the bottom drawer is throwing the F9 code ("Normal" and "Rinse" are simultaneously lit).   

I've tried a hard reset (unplugging unit), which makes the red light, code and beeping all reset, but they all come back after a few seconds when I attempt to start a wash cycle.    Is it likely that I fried something, or is there perhaps still some water tripping a sensor somewhere?

Any help would be greatly appreciated!