The Definitive Guide to bitmain s19 hashboard
The Definitive Guide to bitmain s19 hashboard
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Examine the location from the temperature sensor. The temperature sensor is all located about the back again in the PCB, though the resistance is located about the front with the PCB.
Determine 7-five 2. Enter the user title, password and examination command to examine the NONCE response status plus the status of voltage area. If the NONCE and domain voltage are abnormal, person can accomplish measurement and servicing according to the printed irregular chip.
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3. When the 'PIC sensor NG' is shown around the Liquid crystal display screen of the hash board tester as well as tested temperature is irregular, then Keep to the methods under to troubleshoot: A) Check out whether the 4 resistors of R217, R218, C22 and C23 are welding abnormally, and Check out whether or not the welding of PIN of U5 is usual; B) Check whether or not the four temperature sensors of U5, R216, R219, R220, U7, R221~R223, U8, R224~R226, U9, R229~R231 and also the matching resistance welding are abnormal, The placement from the temperature sense is as demonstrated in Determine four-four and five-thirteen, the temperature sensor is all Found about the back with the PCB, the resistance is situated on the back and front in the PCB, and if the temperature sensor 3.
Standard signifies There exists a problem with chips after 38 chips. Continue on utilizing the dichotomy method till you find the problematic chip. Assuming that there is a challenge With all the N-th chip, then when 1V2 and RO between the N-one and N chips are limited-circuited, the N-one chip can be found. But when 1V2 and RO concerning the N and N+one chips are small-circuited, the entire chip can not be uncovered.
● When locating the faulty chip, the chip must be welded yet again. The tactic is to incorporate flux round the chip (if possible no-clean flux), and heat the solder joints from the chip pins to your dissolved state to prompt the chip pins and pads to re-operate in and collect the tin, so as to obtain the influence of tinning all over again. In case the fault continues to be precisely the same immediately after re-soldering, you may directly swap the chip.
Verify the equipment making sure that the test fixture can perform generally. Determine the parameters of the upkeep station test computer software, the Edition from the test jig, and also other connected parameters.
two. Enter the person identify, password and check command to check the NONCE response status along with the status of voltage domain. When the NONCE and area voltage are irregular, person can perform measurement and routine maintenance based upon the printed irregular chip.
Once the ambient temperature is too higher, it is not hard to induce the superior-temperature security mechanism of your miner. If the thing is the following information while in the log, it implies that the operating temperature of the miner is too high.
Irregular enthusiast display: In these kinds of situations, we must Verify whether or not the lover works Ordinarily, whether the reference to the Regulate board is usual, and whether the Command board is abnormal.
● The repaired hashboard could be judged as a fantastic product or service with much more than two passes when tests Using the hashboard tester. For The very first time, immediately after changing the sections, look ahead to the computing board to cool down, utilize the hashboard tester to check, and following the examination is handed, established it aside then cool it down. For the next time, soon after a few minutes when the hashboard cools down, check all over again.
The method for repairing The difficulty is as follows: over the PT2 test, closely keep track of the serial port print log. When the serial port has actually been running for an prolonged length of time, use a brief-circuit probe to brief-circuit RO and one.
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