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d-one) The first scenario: the take a look at time is basically similar to The great board (usually the value of X will never alter every time you examination) (take a look at time refers back to the time from when the start exam button is pressed to the results of ASICNG: (X) exhibited around the LCD). This case is likely to get attributable to the abnormal resistance welding on the front and rear CLK, CI, and BO with the Xth chip, so consumers shall center on these 6 resistors. The small probability is because of X-1, X, X+one, that's, among the three chips, the next pins abnormal welding ailments of your chip come about: Figure five-16 d-two) The second circumstance: the examination time is sort of two times as long as the good board (occasionally the worth of X will transform anytime you exam, and occasionally X=0); right now, the log typically has the subsequent facts (the crimson selection will not be thirteen, according to which seat the hash board tester is linked to); in the course of the check, believe which the domain voltage of the many fields before the irregular placement is sort of less than 0.
one. Utilize the 19 series hashboard tester SD card swiping system for The very first time to update the hashboard tester Management board FPGA, unzip it and replica it towards the SD card, and then insert the cardboard into the hashboard tester card slot; power on for about one moment and look ahead to the Management board indicator to double flash three instances, then the update is concluded; (if It isn't up-to-date, it could lead to a particular chip to get lousy during the examination)
log-domain voltage print command The precise functions are as follows: Open putty , enter the IP of your miner in question and click on OPEN Determine six-seven 2. Enter the consumer identify, password and examination command to examine the NONCE reaction status and the standing of voltage domain. If your NONCE and domain voltage are abnormal, user can carry out measurement and maintenance based on the printed abnormal chip.
3. In case the PIC sensor NG is shown about the LCD display of the hash board tester and also the test examine temperature is abnormal, then Keep to the techniques underneath to troubleshoot: A) Verify whether or not the four resistors of R24~R27 are welding abnormally, and Verify if the welding of PIN2, three of U3 is typical; Figure five-thirteen B) Look at whether the four temperature senses U4, R28~R30, U6, R31~R33, U7, R34~R36, U8, R37~R39 and also the matching resistance welding are irregular, the location of your temperature sense is shown in Determine five-fourteen, the temperature feeling is all located about the again with the PCB, the resistance is situated over the front from the PCB, and if the temperature-sensitive 3.3V electric power offer is typical;
b) Enter the user identify, password along with the take a look at command to see the NONCE return position as well as the position in the voltage domain. When there is abnormality in NONCE and domain voltage, it can be repaired based on the irregular chip printed.
three. Right after repairing, the hashboard should be tested for more than two periods to become OK right before it might move!
Repair approach: Using the dichotomy system, limited-circuit the 1V8 test point along with the RO take a look at point amongst the 38th and 39th chips Using the quick circuit probe. In case the log can discover 38 chips, there isn't any difficulty with the 1st 38 chips; if short-circuiting the 47th chip, however the log reviews 46th, it signifies which the 47th chip can't be detected, and there is no difficulty Together with the visual inspection. Typically, the 47th chip shall be replaced;
(two) Make use of the examination fixture from the V2.1010 Handle board (its model is ZJ0001000001), the favourable and unfavorable poles of the facility offer with the take a look at fixture should be put in that has a discharge resistor, and it is suggested to employ a cement resistor of twenty five ohms and previously mentioned 100W.
(1) Sudden ability failure during OTP or time of below 30s will cause the Handle board to fall short to open the OTP purpose.
d-one) The very first circumstance: the check time is essentially similar to The nice board (typically the worth of X is not going to improve each time you take a look at) (check time refers to the time from when the beginning exam button is pressed to the results of ASICNG: (X) exhibited around the LCD).
The hash board is a crucial ingredient of a copyright mining machine. If It's not at all performing correctly, it could potentially cause severe challenges. This article aims to provide troubleshooting actions for common faults associated with the hash board.
Following replacing the elements, await the hash board to chill down and Order Here make use of the hash board tester to test. As soon as the test is handed, set it apart and cool it down.
2) A lot less backlink: Much less hyperlink refers to that Among the many 3 boards, 1 piece is lacking. In most cases, there is a difficulty Along with the link among the hashboard along with the Handle board. Verify the cable to find out if there is an open up circuit.