This guide lists the possible causes of problems for Bitmain Antminer Z15 users in the scenarios below.
Table of Contents
Scenario No.1——the Fan Speed is Too Low
Cause analysis and treatment methods
1. replace the corresponding position of the fan, test whether the fan is damaged, if the fan is damaged, you need to replace the fan.
2. Replace the control board or send it back to the factory for repair if the issue still persists after replacing the fan.
Scenario No.2——the Fan Speed Exceeds 10000
Cause analysis and treatment methods
1. Damage to the fan should be repaired at the factory, or the fan should be replaced.
Scenario No.3——fans Are Missing in the Miner Status
Statement indicating a loss of fans when viewing the background log or an insufficient number of fans in the runtime interface: Fatal Error: Some Fan Lost or Fan Speed Low!
Cause analysis and processing methods
1. check the interface or log can detect the fan If you know which fan has stopped working by its number, you can locate it. If the fan is physically damaged, you should replace it, as well as the connection line’s appearance.
2. check whether the control board connected to the fan port is damaged, if damaged, the control board can be replaced or returned to the factory for repair.
3. test whether the fan is damaged, if damaged, replace the fan.
Scenario No.4——The Mathematical Interface Displays Either An Abnormal Fan Or a Speed of 0.
Cause analysis and processing methods
The Bitmain Antminer Z15 has four fans, and the control board’s fan number (FAN1, FAN2, FAN3, and FAN4) corresponds to the user panel’s fan number. If a fan is abnormal, replace that one first. If the issue persists after replacing the fan, the control board is likely damaged. Return to the manufacturer for repair.
Scenario No.5——more Than a Normal Amount of Fans Are Detected
However, you find three or more fans where there should only be two fans visible in the miner status.
If you encounter any one of the above scenarios, please follow the troubleshooting steps as below,
- Check the display after each fan replacement to see if it is back to normal.
- Please return the product to the manufacturer for repair if the control board is damaged and the fan replacement still shows three fans.
Scenario No.6——Too High Speed
Cause analysis and processing methods
The damaged fan needs to be replaced, as does its corresponding fan.
Please feel free to get in touch with us if you have any questions so we can help.
