I've had a Compak K-3 Touch Push grinder for a few years now, and usually just used the push to grind option, which still works great. At some point, the alternative timer mode seems to have stopped functioning. My model is dated 01/2010 and has the dial on the bottom of the grinder to adjust time. I've tried spinning it through to see if that helps, but nothing happens. I assume that the PCB inside may be at fault, but a quick visual inspection didn't show any blown capacitors or obvious other issues. The PCB is marked "Ref: Compak01.2"

Just curious if anyone else has experienced this kind of issue with their grinder, or has advice on correcting it?