Hi guys, my problem is exactly the same, I think that can use the post for request help.
I have 2 S5 connected each on to a psu, i ahve one week the miner with ~600Mh hashrate, I just shutdown and power up for solve the problem, the last days the ASIC status show
oooooo oooooooo oooooooo ooooo-oo
in the chain 1, but at the moment the chain 1 is cooled and now show
------ -------- -------- --------
, i switched the psu and the ethernal cord, I reinstated to defaults default, and decrease the frequency to 325m and nothing, without solve! I wasted all my ideas and need help guys!.