Check the BTC tool software version, it should be the latest one.

Check the network. Replace the router and switch.

Do SD card flashing and then update to the latest firmware.

This shows it is normal. It needs to upgrade to the latest firmware version.

Model 1542 and 1529 are interchangeable and used as substitutes.

There are severial kinds of power IC for S9.

Request the customer service for the S9 firmware for flashing the card.

To avoid immediate infection after flashing, it is necessary to set up a separate network and then upgrade to the latest antivirus firmware. If that doesn't work,replace the control board's flash memory.

Level 3, Level 4 each level has different frequency and voltage.

The high and low levels depend on the configuration file installed into the tester.

Hashboard crashes. Check the signals.

Test another hashboard with tester to confirm the tester is OK.

Possibility

1. The connector is too dirty.
2. The data cable brokenhas problem
3. The signals are abnormal. Test with tester.

• Check the domain voltage,it should be above 10V.
• Check the RI signal and RST signal.

• Check the domain voltage,it should be above 10V.
• Check the RI signal and RST signal.

The eeprom is deleted. Use the code editor to copy a good working hashboard's eeprom to these three hashboards.

• Try replacing the power supply and observe if the issue persists over an extended period of time.
• Verify if the grounding in the mining facility is properly installed.
• Check the network and power supply to ensure they are functioning correctly.
• Ensure proper heat dissipation and clean dust.
• Consider temporarily disabling the mining monitoring software to check if it is causing any conflicts.

Please note that it's important to follow appropriate safety procedures and consult with technical experts when dealing with mining hardware issues.

1. Try replacing the power supply and observe if the issue persists over an extended period of time.
2. Verify if the grounding in the mining facility is properly installed.
3. Check the network and power supply to ensure they are functioning correctly.
4. Ensure proper heat dissipation and clean dust.
5. Consider temporarily disabling the mining monitoring software to check if it is causing any conflicts.

Please note that it's important to follow appropriate safety procedures and consult with technical experts when dealing with mining hardware issues.