S9 Operator Board Maintenance Instructions
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25M LCK Circuit
Above phenomenon，The mining machine has been running. 7 days，0 GH/S（ Avg）And did not fall much，The description of the mine machine is the
time of failure. The speed of the double fan is very low，And the Temp Chip of the 8
th
chain is Very low，which is a board that's been dropped
before.，This type of phenomenon can normally be restarted. This phenomenon has a great relationship with the operating environment of the mining
machine, especially the ambient temperature; for example, in the winter in the north, the mining machine has a high probability of sudden cooling.
Also check the network of the mining machine to the mine pool connection is unblocked？This is also the case with external network instability.
If it doesn't work correctly after a reboot，using a test fixture to test the three operational plates of a mine machine as a single board，Detects if the operation
board is abnormal. And just update the latest firmware.
3）, drop line, less board, drop chip. Figure 24 Figure 25 Figure 26 is shown：
24, the calculation of power Plate chip off phenomenon
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