MBP: a possible fan issue?

Hi guys,
I’m here to write about another possible Apple MBP problem.
After the last post, I received some hints to install a software under MacOSX for increment the fan speed.
So during the Christmas holiday I’ve installed smcFanControl and FanControl tools. But what I see is a little strange: under smcFanControl I can see only the second fan speed, the first seems not working


while FanControl report me the same speed for both fans


and this not convince me at all!

Anyone with a MBP can tell me if these tools work correctly for him?