S19 Maintenance Guide
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2) Less link: Less link refers to that among the 3 boards, 1 piece is missing. In most cases, there is a problem with the connection between
the hashboard and the control board. Check the cable to see if there is an open circuit. If the connection is OK, the user can test the single
board PT2 to check if it can pass the test. If it passes the test, it can basically be determined that the problem is on the control board. If the
test fails, use the PT2 repair method to repair it.
3) Abnormal temperature: Generally, it's due to the temperature is high. The PCB temperature set by our monitoring system cannot exceed
90 degrees. If it exceeds 90 degrees, the machine will alarm and fail to work normally. It is usually caused by high ambient temperature
and abnormal fan operation for the machine to not be able to work normally. Abnormal fans operation will also cause abnormal
temperature.
4) Cannot find all the chips (boot can be operated, but the computing power is 2/3 or 1/3 of the normal value). The number of chips is not
enough: if the number of chips is not enough, you can refer to PT2 for testing and repair.
Figure 6-4
5) After operating for a period of time, there is no computing power, the connection to the mining pool is interrupted, then check the
network;
Figure 6-5
6) Test status of normal machine;
Figure 6-6
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