Test The situation of your temperature sensor. The temperature sensor is all located around the back again of your PCB, whilst the resistance is situated about the entrance from the PCB.
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a) Liquid crystal display Show ASICNG: if (0), initially evaluate the entire voltage of your measuring area plus the Enhance circuit 20V is regular, and then use the quick circuit probe to small-circuit the RO test level and the 1V8 test position involving the first and the next chip, then work This system to discover the chip. Check out the serial port log, if 0 chip remains to be identified at the moment, It will likely be one of the following predicaments: a-one) Utilize a multimeter to measure whether the voltages at the 1V8 and 0V8 check factors are one.8V or 0.8V. Otherwise, it signifies that the one.8V or 0.8V LDO circuit of the area is abnormal, or The 2 ASIC chips of this area will not be soldered perfectly; most disorders of the phenomenon are brought on by limited circuits of 0.8V, 1.8V patch filter capacitors (evaluate the resistance on the patch filter capacitors connected with the front and back of your PCBA). a-2) Check out if the circuits of U2, U3 and U4 are irregular, like resistance welding, and so forth. a-3) Evaluate the resistance of R232 or R233 having a multimeter to check if it is within one ohms plus the studying is not going to bounce randomly. Otherwise, remember to switch both of these resistors. a-4) Look at if the pins of the primary chip are soldered very well (it absolutely was observed throughout repair that the pins are tinned observing in the facet, although the pins will not be stained with tin in the slightest degree if the chip is eradicated). b) If one chip can be found in stage a), it indicates that the initial chip as well as past circuit are good. Use the same approach to check the following chips. One example is, limited-circuit the 1V8 check position plus the RO test point involving the 38th and 39th chips. In case the log can discover 38 chips, the primary 38 chips don't have any dilemma; if you still obtain 0 chips, Check out the 1V8 initially; if It can be normal, it means that there's a challenge With all the chips after 38. Continue to investigate with dichotomy until finally the problematic chip is identified. Assuming that there's a challenge Together with the Nth chip, when the 1V8 and RO among the N-1th and Nth chips are small-circuited, N-1 chips can be found, but when the 1V8 and RO involving the Nth Buy Now and N+1th chips are small circuited, the entire chip cannot be uncovered.
The voltage of each voltage domain is about 1.35V. If there is a 14V powering, there is mostly a domain voltage, as well as the output of the power terminal with the hash board is calculated initially; when there is a 14V powering but no area voltage, go on to examine down.
five. When repairing and changing the chip, you might want to check the chip first, after which you can do the useful take a look at just after passing. The practical check will have to make certain that the water-cooling plate is assembled effectively.
two. Make the SD screening card Based on the requirements, and directly unzip the compressed bundle of The one-sided warmth sink inspection chip to generate the SD card;
Repair process: Using the dichotomy approach, shorter-circuit the 1V8 take a look at stage and the RO examination stage involving the 38th and 39th chips Using the quick circuit probe. In the event the log can discover 38 chips, there isn't a problem with the first 38 chips; if quick-circuiting the 47th chip, even so the log stories forty sixth, it implies which the 47th chip cannot be detected, and there's no trouble Using the Visible inspection. Frequently, the 47th chip shall get replaced;
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7) Just one hashboard has low hashrate: As for this situation, you are able to log in on the IP from the Putty program to watch if the area working voltage of this board is usual and whether or not the NONCE return is standard. You can repair it In line with Putty LOG prompt.
d-1) The 1st situation: the exam time is essentially similar to The nice board (commonly the value of X will never alter every time you take a look at) (test time refers to the time from when the beginning test button is pressed to the result of ASICNG: (X) exhibited on the Liquid crystal display).
If there is no trouble While using the relationship, you could conduct the PT2 exam on The only board to check whether the exam can move. If it might be handed, almost certainly the Handle board is defective. Should the examination fails, utilize the PT2 maintenance system to repair.
① The main case: (typically the value from the noted chip will never adjust each individual check), this case is probably going being a result of abnormal soldering from the front and rear CLK, CI, BO of the X-th chip, so concentrate on these six resistors.
Carry on to research with dichotomy until eventually the problematic chip is uncovered. Assuming that there is a trouble Together with the Nth chip, when the 1V8 and RO amongst the N-1th and Nth chips are short-circuited, N-1 chips are available, but when the 1V8 and RO amongst the Nth and N+1th chips are shorter circuited, your entire chip can not be uncovered.