Bitmain Antminer S19k Pro (110Th)

AsicProfit Support AsicProfit · 27 thg 10, 2026

The fan numbers in the log do not always match the labels on the control board, which confuses many owners. The quickest way is to check the fan speeds in the status page, then unplug fans one at a time and watch which reading changes. Replace with a fan that has the same connector type. Owners running several units keep spare fans on hand, since fans fail far more often than boards.

AsicProfit Support AsicProfit · 22 thg 10, 2026

It is listed at about 75 dB with four fans, which is too loud for a bedroom. A sound-dampening box helps, but it must not starve the miner of air. One owner's abnormal hashrate and restart problems went away after taking the miner out of its noise box and reseating the power cables. A garage or ventilated outbuilding, with ducting for the hot exhaust, is the usual home setup.

AsicProfit Support AsicProfit · 19 thg 10, 2026

It can be, but only with cheap power. At around 23 J/TH it spends more electricity per terahash than current-generation machines, so rising network difficulty or a lower Bitcoin price squeezes its margin first. Its appeal is a lower purchase price and modest 2.76 kW draw. Put your real electricity price into the calculator on this page and compare it with a newer model before deciding.

AsicProfit Support AsicProfit · 1 thg 10, 2026

No. It is built for 220V-class input and draws about 2,760 W, and an experienced forum helper warned an owner that it will not run normally on 110V. On 230V it pulls about 12A, so give it a dedicated circuit rather than sharing one with other loads, and plug it in directly instead of through a light extension lead. Unstable power is a common cause of restarts and hashrate drops.

AsicProfit Support AsicProfit · 17 thg 9, 2026

That error means the firmware does not match your hashboard revision. Newer S19k Pro batches can need a specific firmware, and flashing third-party or older images can leave the unit unable to start. If the unit is still under warranty, ask Bitmain support for the correct firmware for your serial number first. The SD card recovery image from Bitmain's download page is the next step. Avoid flashing a new, working machine just to try other firmware.

AsicProfit Support AsicProfit · 17 thg 9, 2026

Start simple: power off, reseat and clean the data cable between control board and hashboard, then test each board on its own, since one faulty board can upset readings for the others. Try the stock firmware and a factory reset. If the board still drops a chip, a missing chip in a series chain usually needs a repair shop or a warranty claim. Some third-party firmware will run a board with a weak chip, but it cannot bypass a dead one.