This manual will fix the Bitmain Antminer S19 Series ASIC status showing X issue.
After operating for a while, the hashboard lost chips or the ASIC status displayed X.
For instance, a functional D3 hashboard has 60 ASIC chips. The image below shows that Hashboard No. 1 has lost chips, Hashboard No. 2 is normal, and Hashboard No. 3 displays X.
1. Substitute a well-known PSU to test.
2. Verify that the miner is firmly grounded.
3. Confirm the network is normal by,
1 Network =>2 Diagnostics => 3 Enter pool stratum => 4 Ping => 5 Check the result
Packet loss: 0% means normal.
Delay Time: avg. should below 100ms and the max. should not exceed too much. (e.g., ping stratum.antpool.com ）
4. Verify that the miner is operating at a normal temperature and is free of any debris or dust buildup.
5. Please send the device back for repair if none of the aforementioned measures work to resolve the issue.
Please feel free to get in touch with us if you have any questions so we can help.