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The S9 hashboard report 0, the domain voltage is 8V and there is short circuit domain.
One voltage domain has a short circuit. Measure the voltage across the voltage domains starting from the first one and proceeding to the
2023-07-08 06:23
1557
0
When testing the S9 board, as soon as the DC-DC is powered on, the hashboard immediately power off.
Check if there is a short circuit in the input of the DC-DC converter.Short circuits are commonly caused by faulty MOSFETs, and individu
2023-07-08 06:16
1640
0
S9 report asic 0, each domain voltage 0.37V up to 0.57V after reprogramming PIC
2023-07-08 05:52
1725
0
What the problem shows in the picture? The hashboard is broken.
This picture show PIC input circuit.Compared with a working hashboard to check the capacitor.
2023-07-08 04:43
1630
0
Z11 hashboard without 3.3V
Check if there is any oxidation on the resistors and capacitors. You can compare with a working board for reference. Check the power man
2023-07-08 04:39
1546
0
Two hashboards of S9 both passed the single-board test, but the whole miner only had 2Th/s, one of the two boards without hashrate.Testing with an extended ribbon cable yields normal results.
During the single-board test, increase the frequency in the fixture configuration file and test again to see if the chip with low hashra
2023-07-08 03:52
1511
0
S9 Miner status shows one hashboard ideal hashrate over 7,000 GH/S, but activate high-temperature protection. Reprogram the PIC, the same error.
Read the kernel log to see which chip abnormal and replace it.Do single-board test to check which chip has an unusually high number of c
2023-07-08 03:42
1518
0
All the T9+ hashboards can be detected,but all without hashrate.
The kernel log shows all hashboards Chip [0]. Just follow the asic 0 repair process.
2023-07-08 03:22
1579
0
Single board test result keeps showing "check", without any specific result.Tested many times always the same.
If the temperature cannot be detected or there is an error in the signal detection, measure which chip's signal output is abnormal durin
2023-07-08 03:17
1491
0
T9+ hashboard, 12V normal, 3.3V normal, MOS, PIC, power management chip are all normal, but no 9V output.
Check the last 5 domains of T9+ hashboard for any shorts (including 1.8V and LDO output 1.3V)Verify the PIC program is OK or not.Check t
2023-07-08 03:07
1566
0
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