Some assistance with minepeon

[penguinpyro]

So my setup is as follows:

Rpi version b 512mb
dlink 7 port powered hub
5 block eruptor usbs

all up to date minepeon os on an 8 gb card.

my issue is that for some reason all my usbs go idle randomly. could be 5 mins of uptime could be 36 hrs. no idea why it does this.  the only signifigant thing i could think to mention is when this happens my rPi indicator leds go out except the red pwr one. suggestions? not new to mining , just new setup and new to this forum.

[atariguy]

Monitor it, and when it stops unplug and plug it back in. That's what I do, anyway... 

[penguinpyro]

obviously just reboot the pi. but is there any way to diagnose this error. id like to be able to not have 6+ hrs of downtime when i run off to work :/