What is With the CaPiTaLiZaTiOns???

What "codes"? Who are "they"? and if "they" are wrong will "they" be paying for the solar sensor?

I think you are barking up the wrong tree: http://www.motor-talk.de/forum/aktio...hmentId=701292

The solar sensor does NOT control the fan speed. It is a small component of the overall fan control. IMO