Try to run cgminer manually via ssh, got this result: ( the fan is not running )
[2014-02-02 06:21:29] Started cgminer 3.4.3
[2014-02-02 06:21:30] AVA0: Reset succeeded (Controller version: 2013110865)
[2014-02-02 06:21:30] AVA0: Idling 16 miners
[2014-02-02 06:21:30] Probing for an alive pool
[2014-02-02 06:21:31] Pool 0 difficulty changed to 26.666260
[2014-02-02 06:21:31] Pool 1 difficulty changed to 2
[2014-02-02 06:21:32] Pool 1 difficulty changed to 256
[2014-02-02 06:21:36] API running in IP access mode on port 4028 (12)
[2014-02-02 06:21:42] AVA0: Result return rate low, resetting!
[2014-02-02 06:21:42] AVA0 reset sequence sent
[2014-02-02 06:21:42] AVA0: Idling 11 miners
[2014-02-02 06:21:47] AVA0: Result return rate low, resetting!
[2014-02-02 06:21:47] AVA0 reset sequence sent
[2014-02-02 06:21:48] AVA0: Idling 12 miners
[2014-02-02 06:21:53] AVA0: Result return rate low, resetting!
[2014-02-02 06:21:53] AVA0 reset sequence sent
[2014-02-02 06:21:53] AVA0: Idling 12 miners
[2014-02-02 06:21:59] AVA0: Result return rate low, resetting!
[2014-02-02 06:21:59] AVA0 reset sequence sent
[2014-02-02 06:21:59] AVA0: Idling 11 miners
[2014-02-02 06:22:04] AVA0: Result return rate low, resetting!
[2014-02-02 06:22:04] AVA0 reset sequence sent
[2014-02-02 06:22:04] AVA0: Idling 12 miners
(5s):0.000 (avg):0.000h/s | A:0 R:0 HW:0 WU:0.0/m