{"product_id":"goldshell-sc6-se-hashboard-repair-service","title":"Goldshell SC6-SE Hashboard Repair Service","description":"\u003cp\u003e\u003cstrong\u003eGoldshell calls each hashboard a computing board, and an SC6-SE carries four of them. A healthy board reports 84 chips; any other count is a fault, and so is a board the miner cannot see at all. Goldshell SC6-SE hashboard repair covers both, at component level, validated under load.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eGoldshell SC6-SE hashboard repair starts where most owners get stuck: output is down, and nothing on the dashboard tells you which of the four boards to pull. Working that out is our job, not yours. You do not need to open the machine, identify the failed board, or take a single measurement to send one in. We diagnose SC6-SE computing boards on this platform's own terms, repair at component level, and prove the result in a running miner under load.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical Diagnostics and Common Issues with Goldshell SC6-SE\u003c\/h2\u003e\n\n\u003ch3\u003eQuick Symptom Checklist\u003c\/h3\u003e\n\u003cp\u003eThe digits inside these messages - board number, chip count, seconds - change from machine to machine. Match the shape of the line, not the numbers.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDashboard reports the miner as \u003ccode\u003eFailed to startup\u003c\/code\u003e while power and network look normal\u003c\/li\u003e\n\u003cli\u003eKernel log records \u003ccode\u003eC1: No CPB Detected\u003c\/code\u003e - the controller cannot see one of the four boards at all\u003c\/li\u003e\n\u003cli\u003eStartup line comes back short of the design count: \u003ccode\u003eC0: GSSC6 Init sucessed. 84 chips, N Total goodcores\u003c\/code\u003e reads lower than 84 (the spelling of that line is the firmware's own)\u003c\/li\u003e\n\u003cli\u003eDashboard shows \u003ccode\u003eOverheat (chip)\u003c\/code\u003e or \u003ccode\u003eOverheat (PCB)\u003c\/code\u003e, and the miner stops\u003c\/li\u003e\n\u003cli\u003eLog records \u003ccode\u003eCPB2 Overheat, So Shutdown It\u003c\/code\u003e for one board while the other three stay in range\u003c\/li\u003e\n\u003cli\u003eLog records \u003ccode\u003eC0: !!!Get 0 Nonces in past N second, Try reboot dev!!!\u003c\/code\u003e - the board is present but produces no work\u003c\/li\u003e\n\u003cli\u003eHash Board Status lists a board with hashrate at zero while the others are hashing\u003c\/li\u003e\n\u003cli\u003eTotal output settles near a clean fraction of the machine's rate - about three quarters, or half - which is what losing whole boards looks like\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eModel-Specific Patterns We See on Goldshell SC6-SE\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOutput drops by a quarter, not by a trickle.\u003c\/strong\u003e Four boards carry this machine, so one board leaving takes roughly a quarter of the rate with it. Owners often read that step as a pool or network problem because the miner keeps running and nothing turns red. It is usually one board that stopped being counted.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe chip count comes back short in multiples of three.\u003c\/strong\u003e Chips on an SC6-SE board are powered in 28 groups of three, in series. A single failed chip takes its whole group down with it, so counts land at 81, 78, 75 rather than 83. This is why a board that lost \"one chip\" is never a one-chip job, and why the count itself tells us how many groups to look for.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOverheat (chip) with a board temperature that looks fine.\u003c\/strong\u003e The machine watches two different things: sensors on the board, and the temperature each chip reports about itself. A single chip running away will shut the board down while the board average still reads normal. Owners see the word overheat and clean the fans; the message is pointing at one chip, not at airflow.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eReduced hashrate that is not a fault at all.\u003c\/strong\u003e The miner has four named power plans - Hashrate Mode, Balance Mode, Low-power Mode and Idle Mode - and a machine sitting in Balance or Low-power will hash well under its rated figure with four perfectly healthy boards. Check which plan the miner is on before assuming anything is broken. It costs nothing and it is the cheapest fault to rule out.\u003c\/p\u003e\n\n\u003ch3\u003eHardware Notes\u003c\/h3\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;table-layout:fixed;font-family:sans-serif;font-size:14px;margin:16px 0 24px;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width:32%\"\u003e\n\u003ccol style=\"width:68%\"\u003e\n\u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:rgb(248,248,248);border-bottom:2px solid rgb(238,238,238);\"\u003e\n\u003cth style=\"padding:12px;text-align:left;vertical-align:top;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;vertical-align:top;\"\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eAlgorithm and cooling\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eBlake2B-Sia, air-cooled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eMiner hashrate\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e17 TH\/s rated across the machine, so one failed board is roughly a quarter of the output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eHashboards per miner\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eChips per board\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e84 on a healthy board, 336 across the miner\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eChip grouping\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e28 groups of three, powered in series. The miner's own log calls each board a CPB, short for computing board, and numbers them from zero\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eChip family\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e\n\u003ccode style=\"word-break:break-all;\"\u003eICT580\u003c\/code\u003e. The same chip appears across Goldshell's Siacoin range at different counts per board, so the marking alone does not tell you which board you are holding - the chip count does\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eThermal shutdown\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eBoard temperature runs around 70 C in normal service and the miner cuts out at 88 C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eHashboard part number\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eGoldshell publishes none, and does not sell the board separately\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat the Log Is Telling You\u003c\/h3\u003e\n\u003cp\u003eNone of this is something you need to act on. It is here so you know what state a board is in before you decide whether to ship it.\u003c\/p\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;table-layout:fixed;font-family:sans-serif;font-size:14px;margin:16px 0 24px;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width:34%\"\u003e\n\u003ccol style=\"width:33%\"\u003e\n\u003ccol style=\"width:33%\"\u003e\n\u003c\/colgroup\u003e\n\u003cthead\u003e\n\u003ctr style=\"background-color:rgb(248,248,248);border-bottom:2px solid rgb(238,238,238);\"\u003e\n\u003cth style=\"padding:12px;text-align:left;vertical-align:top;\"\u003eWhat you see\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;vertical-align:top;\"\u003eWhat it usually means\u003c\/th\u003e\n\u003cth style=\"padding:12px;text-align:left;vertical-align:top;\"\u003eWhat we do with it\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e\u003ccode style=\"word-break:break-all;\"\u003eNo CPB Detected\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eThe controller cannot see that board at all, rather than seeing a damaged one\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eWe test the board on its own to separate a dead board from a dead supply or a broken link to the controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eStartup line reporting fewer than 84 chips\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eOne or more groups of three failed to come up, and the board is running short\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eWe map which groups dropped out, repair them at component level, and confirm the board returns the full count\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e\u003ccode style=\"word-break:break-all;\"\u003eOverheat (chip)\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eOne chip is reporting a temperature the rest of the board is not\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eWe work on that chip and its group, and check the thermal path before treating it as a dead chip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e\u003ccode style=\"word-break:break-all;\"\u003eOverheat (PCB)\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eThe board as a whole is too hot, which points at airflow, dust or a fan rather than one chip\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eWe look for heat damage the overheating already caused, since a board run hot for weeks rarely arrives with only its original fault\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003e\u003ccode style=\"word-break:break-all;\"\u003eGet 0 Nonces in past N second\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eThe board is counted and powered but is producing no work\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eWe put the board under real load, because a board that passes cold and fails warm is a different repair from one that never starts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom:1px solid rgb(238,238,238);\"\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eAll four boards present, output still low\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eOften the power plan rather than a fault\u003c\/td\u003e\n\u003ctd style=\"padding:12px;vertical-align:top;word-break:break-word;\"\u003eWe ask which plan the miner was on before intake, so nobody ships a healthy board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eDiagnostics Focus\u003c\/h3\u003e\n\u003cp\u003eTwo things come first on this machine, in this order. We separate the board from everything around it before we accept that the board is at fault, because on this platform a failed controller, a card that will not boot, or a supply problem all present as a board that will not start. Then we read the chip map group by group rather than the average, since the interesting information is which groups of three went missing and whether they sit together - that pattern distinguishes a local failure from a board that has been cooked.\u003c\/p\u003e\n\n\u003ch2\u003eOur Professional Repair Process\u003c\/h2\u003e\n\n\u003ch3\u003eGotchas\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCorrosion decides what is worth doing before anything else does.\u003c\/strong\u003e Goldshell treats corroded and heavily burned boards as beyond repair and excludes corrosion from its warranty entirely. We do not refuse a board because it has been in damp air, but we assess the extent first and say plainly when a repair will not hold, rather than returning a board that works for a fortnight.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eA board that ran with a failed fan arrives with more than its original fault.\u003c\/strong\u003e All four boards share one airflow path in this chassis, so a machine that kept mining after a fan quit will have cooked more than the board that failed first. We inspect all boards from the same machine on arrival rather than only the one the log blamed.\u003c\/p\u003e\n\n\u003ch3\u003eTypical Service Scenario\u003c\/h3\u003e\n\u003cp\u003eThree situations account for most of the SC6-SE boards that reach us. A machine in a room with dust or a restricted intake, where months of reduced airflow finish a board that would otherwise have run for years. A machine that kept mining after a fan failed, because output only dropped and nothing looked urgent. And a machine outside its 180-day factory warranty, where the manufacturer's route means shipping to Hong Kong at the owner's expense - which for a single board routinely costs more than the repair itself.\u003c\/p\u003e\n\n\u003ch3\u003eWhat Happens After Intake\u003c\/h3\u003e\n\u003cp\u003eEvery board goes through incoming inspection, board-level diagnostics, component-level repair, cleaning and thermal interface replacement where required, at our lab in the USA. Validation is done in a live SC6-SE under mining load for a minimum of one hour, and the board is approved only when it returns its full chip count and holds it warm. Extended burn-in testing is available as a separate add-on service.\u003c\/p\u003e\n\n\u003ch3\u003eDiagnostics and Validation Equipment\u003c\/h3\u003e\n\u003cp\u003eBench work here runs on STASIC and ASIC REPAIR testers, which is what makes group-level isolation practical rather than guesswork on a high-count board. No commercial fixture covers Goldshell's Siacoin line, and where a board has no fixture we build our own rather than work blind - that is ordinary practice in this lab, not an exception made for one model. Final validation of an SC6-SE board still happens in a running miner under load, because the point at which a cold-passing board reveals itself is the point at which it gets warm.\u003c\/p\u003e\n\n\u003cp\u003eAll repairs are performed personally by Alex, who has been servicing ASIC miners since 2019. \u003ca href=\"https:\/\/antminer-repair.com\/pages\/aleksandr-muranov\"\u003eSee credentials →\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003ca href=\"https:\/\/antminer-repair.com\/pages\/contact\"\u003eContact our repair team today and get your miner back to full power.\u003c\/a\u003e\u003c\/p\u003e","brand":"Goldshell","offers":[{"title":"Default Title","offer_id":54527918473489,"sku":"HB-GS-SC6SE","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0788\/4917\/9921\/files\/goldshell-sc6-se-miner-front-view-fans-controller.webp?v=1788807241","url":"https:\/\/antminer-repair.com\/products\/goldshell-sc6-se-hashboard-repair-service","provider":"Antminer Repair","version":"1.0","type":"link"}