Possible problems and solutions for Antminer Z11

NOTE: Make sure that your miner is running with the latest official Bitmain firmware.

1. The miner status shows that the hash rate is normal but the hash rate is low in the mining pool.


Upgrade the latest firmware:


  • How to reload or upgrade the firmware?

Z11 miner statu

Z11 mining pool statu

2. The miner backstage and mining pool backstage pages show a high rejection rate.


Please upgrade to the latest firmware on the official website. If the fault still exists, please check whether it is caused by insufficient export bandwidth. You can also check whether the LAN switch equipment is normal.

3. ASIC chip status displays X.


Please use a high-quality power supply for testing, such as Antminer APW7 power supply.

ASIC chip statu

4. The backstage display frequency of the miner is low


Z11 is an automatic frequency miner with a frequency above 700. If the frequency is too low, please reset the miner and restore the factory settings. Wait about 20 minutes.

miner statu

If your miner has other possible problems, please refer to the troubleshooting.

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