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@Ada
Remove the 3rd hashboard and do single-board test to find out the problem.
The total hashrate is consistently insufficient, and there is no temperature reading. The individual board tests show no issues, but the third board continues to lack computational power.
@Ada
Check the kernel logs errors whihc related to the temperature problem. Verify if the temperature sensor model is correct. If the temperature sensor model is incorrect, reconfigure the temperature sensor file to ensure it matches the correct model. If the temperature sensor model is correct,replace the chip to resolve the issue.
The total hashrate is consistently insufficient, and there is no temperature reading. The individual board tests show no issues, but the third board continues to lack computational power.
@Ada
If it passes the single-board test, update the firmware. And then check if the 3 hashboards temp sensor model are consistent. If single-board test fail, there is a temp sensor issue. prioritize replacing the chip on the 62nd board.
If the temperature reading of the 8th board on the backend interface is incorrect, how should it be repaired?
@Ada
First, do not plug in the faulty board with the data cable. Test only the good boards individually to see if they function properly. Tighten the screws and secure the clasps with pliers for a firmer connection. Update the firmware and tighten the screws. Use the voltage adjustment line to supply power, monitor the chip status with the control board, and then adjust the power supply.
S17 hashboard voltage abnormal
@Ada
Do single board test to see the issue. If report 0,check the RI signal from the last chip. If report x asic, check the domain voltage where the chip located.
The last five voltage domains have voltage, while the other domains do not. The 8.5V is present, but the LDOs have no voltage. What could be the problem causing this issue?
@Ada
Test the IO port 3.3V.
What could be the issue if the hashboard does not have an 8.5V voltage supply?
@Ada
Firstly, balance the voltage domains. Alternatively, you can short-circuit the RI signal to provide a stable 1.8V and check if it reports correctly. If the voltage domains are not functioning properly, it is likely that the signals will also be affected and not function correctly.
Which specific signals should be primarily examined when the T15 screen flickers and the RI1.8V signal fluctuates between 0.7V and 1.0V?
@Ada
The 1.8V is directly from BM1387 chip.
In versions without the LOD , no 1.8V domain Voltage, how to check the input of 1.8V?
@Ada
The CO signal voltage of some S9 hashboard versions is only 1.2V. Compare it with another working hashboard of the same model.
Which specific points should be checked when the CO signal on the S9 miner is only 1.2V starting from the first chip?
@Ada
The last 5 domains' 1.8V are in parallel.
T9+ the last 3 domains transmit rule
@Ada
There may be an issue with the 4th voltage domain counted from the end or that there is a missing VDD voltage domain, specifically the 15th voltage domain. The heat sink connected to the 15th voltage domain and 1.8V LDO in 10th voltage domain is conducting. If not conduct,jump to LDO pin 1,pin 3.
The LDO does not have a 2.2V input, but the other voltage domains are functioning normally.
@Ada
Repair from the first step.
How can the insufficient voltage issue with the APW8_10V-11V be resolved?
PgUp...2627282930PgDn
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