Pic my setting and don't have status
http://image.free.in.th/v/2013/ir/151221082931.jpg
http://image.free.in.th/v/2013/iv/151221081947.jpg
This Red LED show On
http://image.free.in.th/v/2013/if/151221082228.jpg
My Psu
http://image.free.in.th/v/2013/if/151221082529.jpg
http://image.free.in.th/v/2013/ir/151221082931.jpg
http://image.free.in.th/v/2013/iv/151221081947.jpg
This Red LED show On
http://image.free.in.th/v/2013/if/151221082228.jpg
My Psu
http://image.free.in.th/v/2013/if/151221082529.jpg
Had the exact same issue with 3x units... try different cables or re-seating the existing cables you have especially the smaller black cable that goes from the RPie to the miner... also make sure the colors match at either end of the connector. I had one that was reversed. Try turning the miner on first, let come up and plug in the RPie next making sure the black cable is disconnected. Last, try to run the upgrade on the miner... that fixed one of mine even without it being recognized by cgminer.
good luck.
