that's very strange - my newest experience is

the same:

• Computer
• Hub
• Moonlander Stick
• OS
• Temperature & fan location
• mhz & core voltage
• usb cables
• mining pool & settings

but: i start bfgminer - sick after seconds, ( i have a *.bat file to start the miner on windows where i actually use it)
->quit and restart immediately - runs since yesterday  for approx 20 hrs

so whats up now? voltage ups and downs in the local electricity grid?   thats absurd, there must be a reason imho  
a loose connection in any wire? I didn't even touch one while doubleklicking on the executable batch file ^^ yea except the one of my computermouse. most wires are as new.
the only comprehensible difference is the position of earth in milky way   maybe a solar flare

the point is: I start the bfgminer twice under exact same circumstances, once it went nuts and another time it works 
greetings

AFAIK "sick" only means that it has spent too much time without bfgminer detecting a share
okay but then its probably a bfgminer specified problem cause i use to crunch with my intel I5  @ 4x 4,5 khashes with CPUMINER and my GTX720 @ 11khashes witch GUIMINER and thats way slower than the moonlander can do but there's no prob with the shares. I use wemineltc.com where 32 is the lowest selectable diff.
but sometimes it says that the moonlander is "sick" after less than 60 secs too. Mostly when I change the voltage over 0.760V. but then the bfgminer not even accept at least 1 share.

Try just leaving the miner running for a while and the sick might go away when a share is submitted
somethimes that happens, but sometimes not
i'm afraid it's because of I don't use a proper USB hub. meanwhile the moonlander works fine from 104 to 144 mhz and next week I'll get one of those powerful hubs. but i'm from austria , here are not all of those hubs available. I'll buy 2 of them: Sabrent 60 Watt (12 Ampere) 10-Port- http://www.amazon.de/Sabrent-10-Port-Familie-gro%C3%9Fe-Schnellladeger%C3%A4t-Smart-USB-Ladeger%C3%A4t-AX-TPCS-W/dp/B019GB57R4?ie=UTF8&psc=1&redirect=true&ref_=ox_sc_act_title_2&smid=A1E3IQLEA4G42D

atm the red light is constantly on after ~ 1-2 hours of working. Does that mean overheat? the computer with the stick is located in my cellar where I have between 60 and 65° F (~16-18°C). I use a fan and the black cooler metal is very cold when i touch it so i hope/think it's no thermal problem 

hi guys, I got mine yesterday and it drives me crazy    

but I have an info: the Moonlander does absolutely NOT work in a 10 Port Digitus USB 2.0 Hub (5V 4A) with only 1 device connected.
I tryed the Moonlander unter serveral circumstances with this USB Hub:
Banana Pi & Raspberry PI, on a Netbook with debian 7.4, and a Win7 PC - no chance.


but - it works fine without the -d 8 or 16 and without the clock=XXX options even directly connected to all theese devices/pc but only ~0.320 KHS and it works 24/7 without going "Sick" in bfgminer

if I adjust the voltage or the clock speed it seems to go randomly sick. I'll buy one of theese HUB's and then t'll try again.
Does "Sick" mean to low power?

I also tryed a voltage of .890V but my bananapi just turned off (so the poti & voltmeter seems ok)
Btw I use the Digitus 10 Port ub for 6 BTC blockerupter and it works fine.