Antminer S9 does not see one board

Conflict with installed software

After connecting a new device, users find that the miner works, mining is going on, but the hash rate is zero, and the information about the asic indicates an incorrect Hardware Version number – 0.0.0.0.0 or x.x.x.x.x.

Failure occurs when firmware is not detected by the operating system. What to do if the asic works but does not mine:

• Reset the configuration to factory default and reboot the device.
• Install another firmware.

The second option usually works when a conflict occurs after a scheduled software update. To prevent future failures, it is recommended to manually perform an upgrade. First it is worthwhile to familiarize yourself with the opinion of miners on forums, search for information about possible errors and only then make a decision.

A sharp drop in power during the mining process

A drop in hashrate during cryptocurrency mining occurs due to hardware problems. To find the source, it is recommended to disassemble the asic and check all components of the device for defects.

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Also the reason for the fall of hash speed can be a failure to comply with the temperature regime. Asics work properly within 80-90 degrees. If the chips heat up to 100-110 degrees, the power can drop by 40-60%. After a temporary shutdown and reboot, the device works normally for 2-3 hours. Resetting the configuration will not fix the problem.

It is worth checking the coolers. Perhaps due to dust and wear, the fans do not cope with their task. It is also recommended to measure the temperature in the room and move the asics to a colder place.

Asics malfunction

In some cases, the miner does not connect to the Internet, making it impossible to mine tokens. Restarting and IP Reporter do not help to solve the problem. At the same time, the lights and coolers work in normal mode.

Miners try to fix the failure with a reboot. But if the simple method does not work, then it is necessary to check the chip responsible for Ethernet. Its operability is recognized with the help of an oscilloscope, which determines the presence of electric current. Perhaps the chip needs to be replaced. The oscilloscope allows you to find a technical fault.

Antminer S9 does not start

Owners of miners that have been running for more than a year are faced with this problem. Due to wear and tear and destruction of the boards, the device simply does not start. Visually, the failure is manifested by flashing green indicators, and the red ones are off.

If the device does not start, then you need to check the voltage at the output of the power supply and run one control board.

In cases where the current from the PSU goes, but the device does not respond to pressing buttons, we can talk about the failure of the asic.

Other problems

In addition to common failures, miners face more rare conflicts (for example, the asic does not work after turning on the power supply). Replacing the PSU is useless. The problem is that the device receives low-quality electricity and activates the short-circuit protection. To solve it, miners test the asic, using a voltmeter to find faulty components that need to be replaced.

Coin miners also face the fact that the device resets after restarting. The cause of the conflict is a malfunction in the BB Board software, so it is eliminated by updating the firmware.

The order of actions if the asic works, but does not mine

When there are problems with the device – for example, Antminer S9 does not see one board – you need to comprehensively examine the device to identify the cause. What needs to be done:

1. Reboot the asic. Often it helps to deal with minor software conflicts.
2. Reset the configuration to factory default. If the source of the failure was incorrect settings, then Antminer S9 should work.
3. Reflash the async. If you have a problem immediately after updating or installing custom software, you need to install the previous version.
4. Disassemble the device. It is necessary to check the state of hash boards, fans, power supply and replace faulty components.

If there are no diagnostic and repair skills, then it is worth contacting a service center. In Russia, this is mainly done by unofficial companies, for example, Omining and IWBM.

Proper installation and configuration of Antminer S9

After unpacking the miner, the user should take 20-30 minutes to connect and start the device. The order of actions:

1. Put the device on the shelf and connect the power cable and LAN wire to it.
2. Start Antminer S9 and proceed to configuration. Open the Advanced IP Scanner program and click on the “Search” button. The IP address will appear in the list.
3. Enter the IP into the browser’s search bar to open the device settings. The user should specify login and password for authorization. The default is root or admin.
4. In the Miner Configuration section, enter the URL of the pool.
5. Press the Save&Apply button.

During 40-50 minutes it is recommended to monitor the performance of the device. After an hour, detailed statistics of cryptocurrency mining will appear on the official Antpool website.

Frequent questions