Quote from: Johnshpon3 on February 21, 2014, 06:35:20 AM

Quote from: JLebowskiTheDude on February 21, 2014, 04:23:01 AM

Quote from: Johnshpon3 on February 20, 2014, 12:51:10 PM

Hi to all.
Absolutely great forum.
So I'm in mining now almost 3 month Shocked

and now my cube begins to kill me.
It is little bit more than 1 month in my posesion and first 2 weeks it works great overclocked (37,5 GH).
Than begin to restart itself: relay clicks inside and only one green LED stay, after 1-5 mins start by itself and resume working.
Now the problem is more heavy. After shut down it wont start again, only one green LED stay and cube is do nothing, fan is spinning at normal speed.
Than I shut down PS and start it again and fter that Cube start normaly and than work from 1 hour to now max. 2 days and than repeat this cycle.
My PS is new (same age than cube 1 month), XFX Pro 750W, bronze and only use it for 1 Cube.
I tried different input cables from PS to cube.
I cleaned and tightened cooling bodies inside cube.
Cube is connected to TP-Link wireless router with RJ-45, used only for cube and laptop runing proxy, no Android devices connected to wireless.
Laptop is running W7 Pro, proxy for cube and CFG miner 3.9.0 for couple of Bitfurry's and ASIC miners.
When cube went off, USB miners keep working without interruptions.
My apologies if this problem was discused already, but I can not find nothing about this particular problem.
Thanks.

Shouldn't be a PS issue unless you got a dud or glitchy one. The 750W XFX models could probably power two Cubes. Depends on your exact model. You can link us to the specific model if you just want to be sure.

How have you been cooling the Cube? Just the included stock fan? What's your operating environment's ambient temp?

I'd remove all the blades and start adding them back one by one, testing the Cube's operation for a set period time (maybe 30 to 60 minutes) after each blade gets added back.

If it shuts down with one blade, try a different one to start with. If you eventually find it works with two, but you add a third, fourth, etc...

So for now everything point to PS. I think I will remove Antec 750W from my LTC rig and put it to the cube for begining.
Yup, I run cube with stock fan and it work in cool environment not more than 20 degrees C.
If no changes than will proceed with blades as suggested by Dogie. MB of cube I already checked...no obvious problems.
I will let you know what I found out.
Thanks

Changed PS with Antec HCP-750 - problem persist.
I checked also blades and MB and begin to suspect 2 capacitors 220uF which I think they are responsible for 12V power. It looks like cheap-shit and can see cross on the top of case what is never to see with quality one. i think I will order Japan capacitors 105C and replace it.