In this article, we’ll examine the Bitmain Antminer Z15 hashrate reading as ZERO and discuss potential causes.
Table of Contents
Issue Description
Bitmain Antminer Z15 hashrate display will appear in the following situations.
- Real-time (RT) hashrate is 0 and average hashrate is 1.(average) hashrate is low.
- RT and average hashrate are both 0.
- Miner status shows no data
Possible Causes and Troubleshooting Steps
1. ASIC Chips Or Hashboards Are Not Working as Expected.
a. Check if data cables are plugged tightly
b. Upgrade the latest Antminer Z15 firmware
2. Network Or Mining Pool Issue
a. Verify that the worker name and pool address are accurate.
b. Make sure there are no issues with the network.
3. Fan Issue
Check the kernel log and if you see “Fatal Error: Some Fans Lost or Low Fan Speed!”:
Read Troubleshooting for Bitmain Antminer Z15 Fans Problems to get more information.
Carefully inspect the fan cables, or use a working fan to test them.
4. Abnormal Temperature
Know the normal operating temperature range for your miner:
Bitmain Antminer Z15 Normal Operating Temperature Range
The miner’s hashrate would show ZERO if the temperature exceeds the limit:
Bitmain Antminer Z15 High-Temperature Alert and Protection
5. PSU Issue
The temperature display typically displays abnormally and the ASIC status typically displays all X (e.g. all 15)
swap out for a tested, well-known PSU.
6. Return the Miner for Repair
Send the miner back for repair if none of the aforementioned measures work to resolve the issue.
Please get in touch with us if you have any questions so we can help.
