Quote from: chadtn on November 11, 2013, 05:22:25 AM

Mine did that once when I was in the process of setting them up. Power cycling fixed the problem and I haven't had it happen again. They can be a pain getting to run some times. Any time I stop mining on them I have to power cycle and reconnect the fans or I just get connection errors.

Chad

Quote from: RogueLeader on November 11, 2013, 06:19:54 AM

Yep, any time a unit just spits HW errors upon starting, I disconnect its power cable and let it sit for a couple minutes. When I reconnect it (and dis/reconnect fan), it hashes just fine. This can be done without restarting cgminer, so if you have other units, they can hash away during the waiting period. It probably happens 5-10% of the time, but only at the outset of a mining session; long mining uptime is key to minimizing this extra effort.

Cycling the power and reconnecting the fans as well as doing all this after restarting cgminer doesn't work for me.

I have 7 on a machine, maybe there is a driver limit to how many I can connect? I'm going to try and just plug up the ones that have 100% hardware errors...