проблема с асиком

всем привет, может сталкивался кто подскажите
имеется инносиликон а4+, копая какую либо монету одну конкретную работает стабильно сутками напролет, а стоит переключиться на мульти пул ( хоть мд хоть зпул и т.д) начинает нестабильно работать, после подключения какое то время работает, потом отваливается какая нибудь плата одна из четырех, либо самопроизвольно перезагружается, после перезагрузки всё норм сначала какое то время и и всё по новой...
может даже не на этой модели а на другой кто то с чем то похожим сталкивался? я уже голову сломал не пойму в чем причина

вот седня сохранил последнюю часть лога до самопроизвольной перезагрузки на мультипуле

Jan 19 13:53:10 (none) local0.err cgminer[935]: A1_scanwork n cid 1:arv:33.33, lest:21.33, hest:522 witt
Jan 19 13:53:12 (none) local0.err cgminer[935]: A1_scanwork n cid 0:arv:33.33, lest:16.00, hest:522 witt
Jan 19 13:53:14 (none) local0.err cgminer[935]: A1_scanwork n cid 3:arv:34.00, lest:20.67, hest:525 witt
Jan 19 13:53:14 (none) local0.info cgminer[935]: Testing pool stratum+tcp://mining-dutch.nl:8888#xnsub
Jan 19 13:53:14 (none) local0.info cgminer[935]: Testing pool stratum+tcp://litecoinpool.org:3333
Jan 19 13:53:14 (none) local0.info cgminer[935]: Testing pool stratum+tcp://scrypt.eu.nicehash.com:3333#xnsub
Jan 19 13:53:16 (none) local0.err cgminer[935]: A1_scanwork n cid 2:arv:34.00, lest:19.33, hest:521 witt
Jan 19 13:53:19 (none) local0.info cgminer[935]: Testing pool stratum+tcp://mining-dutch.nl:8888#xnsub
Jan 19 13:53:19 (none) local0.info cgminer[935]: Testing pool stratum+tcp://litecoinpool.org:3333
Jan 19 13:53:19 (none) local0.info cgminer[935]: Testing pool stratum+tcp://scrypt.eu.nicehash.com:3333#xnsub
Jan 19 13:53:21 (none) local0.err cgminer[935]: A1_scanwork n cid 1:arv:33.33, lest:21.33, hest:522 witt
Jan 19 13:53:22 (none) local0.info cgminer[935]: recieve notify,we must flush work
Jan 19 13:53:22 (none) local0.notice cgminer[935]: Network diff set to 33.6K
Jan 19 13:53:22 (none) local0.info cgminer[935]: New block: 8b91f36c8e0f1e483b1f1e69730a82afd184e9813295028fb985013ca564
7731... diff 33.6K
Jan 19 13:53:22 (none) local0.notice cgminer[935]: Stratum from pool 0 detected new block at height 0
Jan 19 13:53:22 (none) local0.info cgminer[935]: Work update message received
Jan 19 13:53:22 (none) local0.info cgminer[935]: recieve notify,we must flush work
Jan 19 13:53:22 (none) local0.notice cgminer[935]: Stratum from pool 0 requested work restart
Jan 19 13:53:22 (none) local0.info cgminer[935]: Work update message received
Jan 19 13:53:22 (none) local0.info cgminer[935]: Received kill message
Jan 19 13:53:23 (none) local0.info cgminer[935]: recieve notify,we must flush work
Jan 19 13:53:23 (none) local0.notice cgminer[935]: Stratum from pool 0 requested work restart
Jan 19 13:53:23 (none) local0.info cgminer[935]: Work update message received
Jan 19 13:53:23 (none) local0.info cgminer[935]: recieve notify,we must flush work
Jan 19 13:53:23 (none) local0.notice cgminer[935]: Stratum from pool 0 requested work restart
Jan 19 13:53:23 (none) local0.info cgminer[935]: Work update message received
Jan 19 13:53:23 (none) local0.err cgminer[935]: Shutdown signal received.
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Summary of runtime statistics:
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Started at [2018-01-19 13:13:53.464]
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Runtime: 0 hrs : 39 mins : 29 secs
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Average hashrate: 629.0 Mhash/s
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Solved blocks: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Best share difficulty: 252M
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Share submissions: 139
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Accepted shares: 133
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Rejected shares: 6
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Accepted difficulty shares: 21317536
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Rejected difficulty shares: 966000
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Reject ratio: 4.3%
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Hardware errors: 6
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Utility (accepted shares / min): 3.37/min
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Work Utility (diff1 shares solved / min): 3.52/min
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Stale submissions discarded due to new blocks: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Unable to get work from server occasions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Work items generated locally: 421713
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Submitting work remotely delay occasions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: New blocks detected on network: 230
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Pool: stratum+tcp://mining-dutch.nl:8888#xnsub
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Share submissions: 138
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Accepted shares: 132
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Rejected shares: 6
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Accepted difficulty shares: 21252000
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Rejected difficulty shares: 966000
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Reject ratio: 4.3%
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Items worked on: 325708
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Stale submissions discarded due to new blocks: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Unable to get work from server occasions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Submitting work remotely delay occasions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Pool: stratum+tcp://litecoinpool.org:3333
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Share submissions: 1
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Accepted shares: 1
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Rejected shares: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Accepted difficulty shares: 65536
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Rejected difficulty shares: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Reject ratio: 0.0%
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Items worked on: 870
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Stale submissions discarded due to new blocks: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Unable to get work from server occasions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Submitting work remotely delay occasions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Pool: stratum+tcp://scrypt.eu.nicehash.com:3333#xnsub
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Share submissions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Accepted shares: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Rejected shares: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Accepted difficulty shares: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Rejected difficulty shares: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Items worked on: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Stale submissions discarded due to new blocks: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Unable to get work from server occasions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Submitting work remotely delay occasions: 0
Jan 19 13:53:23 (none) local0.warn cgminer[935]: Summary of per device statistics:
Jan 19 13:53:23 (none) local0.warn cgminer[935]: BA1 0 (5s):943.0M (avg):157.3Mh/s | A:4830000 R:161000 HW:0 WU:0.8/m
Jan 19 13:53:23 (none) local0.warn cgminer[935]: BA1 1 (5s):944.2M (avg):157.2Mh/s | A:3929536 R:0 HW:0 WU:0.6/m
Jan 19 13:53:23 (none) local0.warn cgminer[935]: BA1 2 (5s):943.9M (avg):157.3Mh/s | A:5152000 R:483000 HW:0 WU:0.9/m
Jan 19 13:53:23 (none) local0.warn cgminer[935]: BA1 3 (5s):942.5M (avg):157.3Mh/s | A:7406000 R:322000 HW:0 WU:1.2/m
Jan 19 13:53:23 (none) local0.warn cgminer[935]:
Jan 19 13:54:32 (none) local0.warn innominer_T2: Started cgminer 4.10.0