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This manual mainly tells the related points involved in Antminer operation and maintenance. The related personnel shall be familiar with the basic miner maintenance methods, including system upgrade, reset, restore, SD card recovery. Meanwhile, mastering simple fault judgment methods, such as high-temperature protection, fan fault, network fault is essential. Operation and maintenance personnel also need to have a certain understanding of the power, network, environment, etc. of the mining farm and regularly do the corresponding inspection work. Finding problems and resolving them timely can reduce the fault rate of the miner. Ⅰ. Daily Regular Inspection II. Notes on Installation Ⅲ....

This applies to all Antminers, except B3. Check out B3 firmware upgrade instructions > 1. Visit our website to download the firmware.  Visit firmware page > Select the miner from the left side bar and then click "Firmware". You might need to scroll up to see the file. There are different versions of firmware for different miner models. Select the one that is specific for your miner.  Note that we have a new firmware called ASICBoost for S9 series and T9+ miners. For more information, read them here: ASICBoost firmware for Antminer S9 series and T9+ > 2. Download the...

NOTE: Ensure your miner is operating with the latest Bitmain official firmware The hashrate shown on the miner status is normal but low hashrate shown in the pool. Solution: upgrade the latest firmware: https://service.bitmain.com/support/download?product=Antminer%20Z11 How to reload or upgrade firmware> High rejected rate. Solution: Upgrade the latest firmware. If the fault persists, check whether the bandwidth is insufficient. You can also check whether the LAN switch device is normal. Asic status shows X. Solution: Replace with a good known PSU to test. Please use Bitmain PSU and we recommend APW7. Frequency is lower than normal. Solution: Z11 is auto-frequency miner and the...