It looks like water has entered the contact between the power adapter and the place where the DC voltage exits to drive the pump. Corrosion and it looks like some damage to the electronics connected to the pots switch.
Roger... Any advice on this? Send it in or learn to solder?
. About what are we looking at in costs?
Thanks!
Gary
Roger... Any advice on this? Send it in or learn to solder?

Thanks!
Gary