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Pulled it out of the dock and stuck straight AC so I can see the fan... No error message, but the fan's not spinning. Same thing, multiple times. The fans jiggles a bit on boot up but that's it. Any further troubleshooting ideas?


Well, to test mine, I just set config.ini to something I know would spin the fan on... and it always worked...

If you do that, and the fan STILL doesn't come on - check that:

1. The fan has +V (you can use a +5 or +12 VDC fan, but I only used +12, so I know that works).

2. The line coming from the DS1721 is logic HIGH (you can use a volt-meter if you want - an oscilloscope is not needed).

if those conditions are met, then only one of 2 things can be it...

1: bad fan.
2: bad MOSFET (2N7002) that controls the fan.

-Ben

p.s. Sorry if my involvement has been random - The grant I worked under here at Univ of IL ended and I've been trying to find other employment as such... you all can email me any time you have a question if I seem non-responsive here...

I was never in the mind-set of getting rich making these controllers.. I just wanted to pay a for the boards and such... you guys need to be happy with working stuff. If it doesn't work - tell me ASAP!