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Antminer maintenance courses are divided basic theoretical explanations about hash board and troubleshooting operations. It mainly includes Antminer hash board repair courses, such as Antminer S9 hash board repair course, S17 T17+ hash board repair course, S19 hash board repair training, L3+ hash board repair class, L7 hash board repair training, etc. Each video will explain in detail how to repair the hash board, as well as the troubleshooting ideas for the hash board failure. For example, the common faults of the hash board: the single board test reports 0, the test fixture cannot detect all ASIC chips, the PIC chip is abnormal, etc.
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How to understand the kernel logs of antminer S9 hash board?
Date: 2023-03-08 -
Antminer S9 hash board basics of the structure and powering
Date: 2022-09-30 -
Antminer S9 hash board basics for the domain powering
Date: 2022-10-05 -
Antminer S9 hash board basics for the PIC chip
Date: 2022-10-05 -
Antminer S9 hash board basics of the LDO powering circuit for the last 5 domains
Date: 2022-10-05 -
Antminer S9 hash board basics for the 5 signals of ASIC chip
Date: 2022-10-05 -
Antminer S9 hash board basics for temp sensing circuit
Date: 2022-10-05 -
Antminer S9 hash board abnormal input voltage troubleshooting
Date: 2023-03-08 -
Antminer S9 hash board troubleshooting for the DC buck circuit
Date: 2023-03-08 -
Antminer S9 hash board troubleshooting for PIC circuit
Date: 2023-03-08 -
Antminer S9 hash board troubleshooting for LDO powering circuit
Date: 2023-03-08 -
Antminer S9 hash board troubleshooting for boost circuit
Date: 2023-03-08 -
Antminer S9 hash board troubleshooting about temperature sensor circuit
Date: 2023-03-08 -
Antminer S9 hash board troubleshooting for U88 CT1F level converter chip
Date: 2023-02-22 -
Antminer S9 hash board report 0 troubleshooting
Date: 2023-03-08 -
Antminer S17 S17Pro hash board repair training course
Date: 2022-10-05 -
Antminer S17 hash board troubleshooting for report 0
Date: 2023-04-12 -
Antminer S17 hash board troubleshooting for report incomplete chip
Date: 2023-04-12 -
Antminer S17 plus hash board repair teaching course
Date: 2022-10-05 -
Antminer S17e hash board repair training tutorial
Date: 2022-10-05 -
Antminer S17e hash board basics about the PIC chip
Date: 2023-04-12 -
Antminer S17e hash board basics about the boost circuit
Date: 2023-04-12 -
Antminer S17e hash board U1 and U2 chip working process
Date: 2023-04-12 -
Antminer T17 hash board basics about the powering process
Date: 2022-10-05 -
Antminer T17 hash board basics about the 5 signals
Date: 2022-10-05 -
Antminer T17 hash board basics about the temperature sensing circuit
Date: 2022-10-05 -
Antminer T17 plus hash board repair tutorial
Date: 2022-10-05 -
Antminer T17e hash board maintenance course
Date: 2022-10-05 -
Antminer S19 hashboard kernel log analysis
Date: 2025-12-15 -
Antminer S19 BHB42831 hash board repair basics tutorial
Date: 2024-12-16 -
How does the domain voltage work for the S19 BHB42831 hashboard?
Date: 2024-12-16 -
19V boost circuit on Antminer S19 BHB42831 hash board
Date: 2024-12-16 -
What is the powering method of s19 BHB42831 LDO circuit?
Date: 2024-12-16 -
Temperature sensing circuit of BHB42831 S19 hash board
Date: 2024-12-16 -
Antminer S19 BHB42831 ASIC chip signal working principle
Date: 2024-12-25 -
Repair method for S19 BHB42831 only detecting 68 ASIC chips
Date: 2025-09-19 -
How to repair the S19 BHB42831 hash board faulty of finding 85 ASIC chips?
Date: 2025-09-25 -
How to fix S19 BHB42831 hashboard 0 ASIC caused by abnormal RO level conversion chip U2?
Date: 2025-09-25 -
S19 BHB42831 hash board detected 0 ASIC chips due to RO signal abnormal
Date: 2025-09-27 -
Boost circuit failure causes S19 BHB42831 hash board to detect 0 ASIC
Date: 2025-09-27 -
Antminer S19 BHB42831 hash board temperature sensing circuit failure repair method
Date: 2025-09-29 -
S19 BHB42831 LDO circuit abnormality causes 0 ASIC fault
Date: 2025-10-11 -
Antminer S19 hash board repair tutorial
Date: 2022-10-05 -
Antminer S19 hash board DC control circuit
Date: 2023-03-07 -
Antminer S19 hash board PIC chip
Date: 2023-03-07 -
Antminer S19 NBS1902 hash board domain voltage working principle
Date: 2025-12-19 -
Antminer S19 hash board 19V boost circuit
Date: 2023-03-07 -
Antminer S19 hash board 21V boost circuit
Date: 2023-03-07 -
Antminer S19 hash board temperature sensing circuit
Date: 2023-03-07 -
Antminer S19 hash board U1 and U2 level converter chip
Date: 2023-03-07 -
How to measure the voltage of 5 signals on the S19 hashboard
Date: 2023-04-17 -
Maintenance method for 19V boost circuit on the S19 hashboard
Date: 2023-11-20 -
Antminer S19 21V boost circuit fault repair
Date: 2024-02-04 -
Repair method for Antminer S19 hashboard detected with 0 ASIC chip
Date: 2024-04-29 -
Solution for Antminer S19 NBS1902 ASIC chip reports 0 fault
Date: 2024-12-16 -
How to repair the PIC chip failure of Antminer S19 hashboard
Date: 2024-12-20 -
Repair method for incomplete chip number reported by the S19 hash board
Date: 2024-12-20 -
Antminer L3 plus hash board repair training course
Date: 2022-10-05 -
How to correctly interpret the Antminer L7 kernel log?
Date: 2025-12-19 -
Antminer L7 hash board maintenance course
Date: 2023-04-25 -
Working principle of L7 hashboard domain voltage
Date: 2024-12-31 -
Antminer L7 hash board troubleshooting about the DC control circuit
Date: 2023-04-25 -
Antminer L7 hash board troubleshooting about the 19V boost circuit
Date: 2023-04-25 -
Antminer L7 hash board troubleshooting about the 23V boost circuit
Date: 2023-04-25 -
Antminer L7 hash board troubleshooting about the temp sensing circuit
Date: 2023-04-25 -
How does the LDO circuit on the Antminer L7 hash board work?
Date: 2025-01-03 -
ASIC chip signals for Antminer L7 hash board
Date: 2025-01-16 -
Working principle of CLK clock signal on L7 hash board
Date: 2024-10-16 -
How to measure the voltages on the Antminer L7 hash board?
Date: 2023-04-25 -
Repair of L7 hash board corroded by water
Date: 2024-10-11 -
How to repair EEPROM failure of L7 hash board?
Date: 2024-10-11 -
Antminer L7 hash board reports 0 fault maintenance methods
Date: 2024-12-20 -
How to correctly interpret Antminer D7 kernel logs?
Date: 2024-05-30 -
Basic structure and powering process for Antminer D7 hashboard
Date: 2023-11-17 -
Antminer D7 hashboard DC control circuit troubleshooting
Date: 2023-11-17 -
Antminer D7 hash board 18V boost circuit
Date: 2023-11-17 -
23V booster circuit of Bitmain D7 hash board
Date: 2023-11-17 -
LDO powering domain voltage and signals on Antminer D7 hash board
Date: 2023-11-17 -
Antminer D7 hash board temperature sensor circuit
Date: 2023-11-17 -
Abnormal voltage of D7 hash board RST signal
Date: 2023-12-13 -
Antminer D7 reported ASIC chip number incomplete fault repair method
Date: 2024-12-20 -
Antminer S19XP kernel logs correct analysis
Date: 2026-01-06 -
Antminer S19XP hash board structure and powering process
Date: 2023-11-20 -
Domain voltage for Antminer S19xp hash board
Date: 2023-11-20 -
Antminer S19XP hash board 20V boost circuit
Date: 2023-11-20 -
Antminer S19XP hashboard about the LDO powering knowledge
Date: 2023-11-20 -
Temperature sensing circuit of Antminer S19XP hashboard
Date: 2023-11-20 -
Signal connection of asic chips on Antminer S19XP hash board
Date: 2023-11-20 -
How to measure the signal voltage of the ASIC chip?
Date: 2023-11-20 -
Antminer S19XP hash board repair method for detecting 0 asic chip
Date: 2024-03-05 -
How to fix Antminer S19XP hash board reporting 19 asic chip?
Date: 2024-03-06 -
How to interpret the kernel logs of Antminer S19 Hydro?
Date: 2026-01-06 -
Antminer S19 Hydro hashboard structure and working principle
Date: 2024-04-28 -
Antminer S19 Hydro hash board domain voltage
Date: 2024-04-28 -
How does the Antminer S19 Hydro HHB28601 DC control circuit work?
Date: 2024-04-28 -
Antminer S19 Hydro hash board 25V boost circuit
Date: 2024-04-28 -
28V boost circuit for Antminer S19 Hydro hash board
Date: 2024-04-28 -
Antminer S19 Hydro hash board LDO powering circuit
Date: 2024-04-28 -
Working principle of the temp sensing circuit on the Antminer S19 Hydro hash board
Date: 2024-04-28 -
How do the ASIC chip signals of the Antminer S19 Hydro hash board work?
Date: 2024-04-28 -
How to fix Antminer S19 Hydro hashboard detected 0 ASIC chip?
Date: 2024-04-28 -
S19 hydro hashboard LDO powering failure caused 0 ASlC chip detected
Date: 2024-05-30 -
Repair method for the S19 hydro hash board detected some ASlC chip
Date: 2024-05-30 -
Antminer S19k Pro kernel logs correctly interpreting
Date: 2025-12-15 -
Basic structure and working principle of Antminer S19K PRO hash board
Date: 2024-07-19 -
How does Antminer S19kpro domain voltage work?
Date: 2024-07-19 -
How the Antminer S19KPRO hash board boost circuit works?
Date: 2024-07-19 -
LDO circuit for Bitmain S19k pro hash board
Date: 2024-07-19 -
Antminer S19K PRO hash board temperature sensing circuit
Date: 2024-07-19 -
Antminer S19Kpro hashboard ASIC chip signals working method
Date: 2024-07-26 -
Antminer S19k pro BHB56903 hashboard basic structure
Date: 2024-11-13 -
Bitmain S19kpro BHB56903 hash board domain voltage working principle
Date: 2024-11-13 -
Boost circuit on Antminer S19k pro BHB56903 hash board
Date: 2024-11-21 -
Working principle of the tempe sensing circuit on S19kpro BHB56903 hash board
Date: 2024-11-23 -
How does Antminer S19k pro BHB56903 hash board LDO circuit work?
Date: 2024-11-28 -
Signals for Antminer S19K PRO BHB56903 hashboard ASIC chip
Date: 2024-12-02 -
Troubleshooting the temp sensing circuit failure of the S19k pro BHB56903 hash board
Date: 2025-06-21 -
Repair method for S19k pro hash board boost circuit fault
Date: 2025-07-08 -
0 asic caused by abnormal RI signal on S19k pro BHB56903 hash board
Date: 2025-08-27 -
How to fix S19Kpro BHB56903 hashboard detected 42 ASIC chip?
Date: 2025-10-09 -
Repair method for S19K Pro BHB56903 hash board detecting only 75 ASIC chips
Date: 2025-11-19 -
Faulty level shifter chip U2 causes the S19K Pro BHB56903 hash board not working
Date: 2025-11-19 -
LDO circuit failure caused the S19k Pro BHB56903 hashboard to detect 0 asic
Date: 2025-11-21 -
How to correctly check the Antminer S21 kernel logs?
Date: 2025-11-25 -
Antminer S21 hashboard repair basics
Date: 2024-09-06 -
How does the domain voltage of Bitmain S21 hash board work?
Date: 2024-09-06 -
Working principle of the boost circuit on the Antminer S21 hashboard
Date: 2024-09-06 -
Temperature sensing circuit of Antminer S21 hash board
Date: 2024-09-06 -
Antminer S21 hash board LDO circuit powering process
Date: 2024-09-29 -
ASIC chip signals on the Antminer S21 hashboard
Date: 2025-11-03 -
Troubleshooting methods for Antminer S21 hash board with incomplete ASIC count
Date: 2025-11-22 -
How to repair the S21 hash board with only 51 ASIC chips detected
Date: 2025-11-22 -
RI signal abnormal caused the Antminer S21 hash board to report 0 asic
Date: 2025-11-22 -
How to fix the 0 ASIC caused by an abnormal level shifter chip U2 on the S21 hashboard?
Date: 2025-11-22 -
Repair methods for Antminer S21 hashboard boost circuit failure
Date: 2025-11-22 -
Troubleshooting for the temperature sensor circuit of S21 hash board
Date: 2025-11-22 -
Repair tutorial for S21 hash board LDO circuit malfunction causing 0 ASIC
Date: 2025-11-22 -
How to correctly analyze the kernel logs of Antminer S21 Hydro?
Date: 2025-12-26 -
Basic structure of the Antminer S21 hydro hash board
Date: 2024-11-07 -
S21 hydro hash board domain voltage working principle
Date: 2024-11-07 -
Antminer S21 hydro hashboard 25V boost circuit
Date: 2024-11-07 -
How the temperature sensing circuit on the Antminer S21 hydro hash board works
Date: 2024-11-07 -
Antminer S21 hydro hash board LDO circuit powering process
Date: 2024-11-13 -
How the Bitmain S21 hydro hash board ASIC signal works?
Date: 2024-11-19 -
How to correctly interpret the kernel logs of Antminer S19 Pro?
Date: 2026-01-09 -
Antminer S19 Pro hash board repair tutorial
Date: 2023-05-05 -
Antminer S19 pro hash board main voltages and measurement method
Date: 2023-05-05 -
Antminer S19 Pro hash board troubleshooting for DC control circuit
Date: 2023-05-05 -
Antminer S19 Pro hash board troubleshooting for 19V boost circuit
Date: 2023-05-05 -
Antminer S19 Pro hash board troubleshooting for 23V boost circuit
Date: 2023-05-05 -
Antminer S19 Pro hash board troubleshooting for temperature sensing circuit
Date: 2023-05-05 -
Antminer S19 plus hash board repair tutorial
Date: 2023-07-28 -
Antminer S19 plus hash board troubleshooting for DC control circuit
Date: 2023-07-28 -
Antminer S19 plus hash board troubleshooting for 19V boost circuit
Date: 2023-07-28 -
Antminer S19 plus hash board troubleshooting for 22V boost circuit
Date: 2023-07-28 -
Antminer S19 plus hash board troubleshooting for LDO powering
Date: 2023-07-28 -
Antminer S19 plus hash board troubleshooting for temperature sensing circuit
Date: 2023-07-28 -
How to fix the Antminer S19+ hash board reports 0 fault
Date: 2024-12-20 -
Antminer S19+ hash board asic chip number error
Date: 2024-12-20 -
Antminer S19j Pro kernel log interpretation
Date: 2025-12-20 -
Antminer S19j Pro hash board repair tutorial
Date: 2023-05-25 -
Antminer S19j Pro hash board troubleshooting for DC control board
Date: 2023-05-25 -
Antminer S19j Pro hash board troubleshooting for 23V boost circuit
Date: 2023-05-25 -
Antminer S19j Pro hash board troubleshooting for 20V boost circuit
Date: 2023-05-25 -
Antminer S19j Pro hash board troubleshooting for temperature sensor circuit
Date: 2023-05-25 -
Antminer S19j Pro hash board training about the the LDO chips and signals voltage
Date: 2023-05-25 -
Abnormal R225 resistor causes temp sensing circuit fault of Antminer S19j pro hash board
Date: 2024-01-15 -
R1296 resistor error caused the Antminer S19j pro hash board to detect 0 ASIC chip
Date: 2024-01-17 -
Damaged R1076 causes a temp sensor fault on the Antminer S19j pro hash board
Date: 2024-01-23 -
Repair method for Antminer S19j pro hash board detects 5 ASIC chips fault
Date: 2024-01-24 -
How to fix abnormal RX signal of Antminer S19j pro hash board?
Date: 2024-01-30 -
Repair Antminer S19j pro BHB42601 temperature sensor fault
Date: 2024-12-20 -
Hash board structure and powering process for Antminer S19JPRO 42631
Date: 2023-11-20 -
How to test the domain voltage of bitmain S19jpro 42631 hashboard?
Date: 2023-11-20 -
Antminer S19j pro 42631 hash board 20V boost circuit
Date: 2023-11-20 -
Antminer S19J PRO 42631 hash board LDO powering principle
Date: 2023-11-21 -
What are the ASIC chip signals on Antminer S19j pro 42631 hashboard?
Date: 2023-11-20 -
Antminer S19JPRO 42631 hashboard temp sensing circuit works
Date: 2023-11-20 -
Antminer S19J Pro 42631 hash board repair method for detecting 0 ASIC chip fault
Date: 2024-04-29 -
Analysis of kernel log Antminer S19j Pro+ hash board
Date: 2026-01-09 -
Basic structure of Antminer s19j pro plus hash board
Date: 2025-02-12 -
Antminer S19JPRO plus hashboard domain voltage powering process
Date: 2025-02-12 -
19V boost circuit on the Antminer S19j Pro plus hashboard
Date: 2025-02-12 -
How is the LDO circuit of the S19j pro plus hash board powered?
Date: 2025-02-14 -
Working principle for the S19J Pro plus hash board temperature sensing chip
Date: 2025-03-12 -
Antminer s19j pro plus hash board ASIC chip signal working principle
Date: 2025-03-12 -
Correctly interpreting the kernel logs of Antminer S19 Pro Hydro
Date: 2025-12-31 -
Antminer S19 pro Hydro hashboard base structure distribution
Date: 2025-02-27 -
How the domain voltage on the S19 pro Hydro hash board works?
Date: 2025-02-27 -
DC control circuit for Bitmain S19 pro Hydro hash board
Date: 2025-02-27 -
Antminer s19pro hydro hash board 25V boost circuit
Date: 2025-02-27 -
How does the Antminer S19pro Hydro hashboard 28V boost circuit work?
Date: 2025-02-27 -
LDO chip powering process of S19pro hydro hash board
Date: 2025-02-28 -
Working principle for Antminer S19 Pro Hydro hashboard temp sensing circuit
Date: 2025-03-01 -
Antminer S19 pro Hydro hash board ASIC chip signals
Date: 2025-03-06 -
Repair method for S19 pro Hydro hash board boost circuit abnormality causes log to find only 0 ASIC
Date: 2025-04-03 -
Troubleshooting of abnormal RO signal causing 0 ASIC detection for S19pro hydro hash board
Date: 2025-05-09 -
How to fix S19pro Hydro Hashboard 0 ASIC caused by abnormal RO level conversion chip
Date: 2025-05-19 -
DC circuit failure causes the S19pro hydro hash board to find 0 chip
Date: 2025-05-24 -
S19 pro Hydro hashboard showing 0 chip caused by LDO chip failure
Date: 2025-05-27 -
Repair method for the S19 Pro Hydro hash board does not detect all ASIC chips
Date: 2025-09-29 -
Repair method for S19 pro Hydro hashboard with only 178 ASIC detected
Date: 2025-11-25 -
Troubleshooting U4 and U5 temperature sensor chips on the S19pro hydro hash board
Date: 2025-11-28 -
Antminer S19pro hydro hash board temp sensor U260 and U261 failure repair method
Date: 2025-12-05 -
The basic structure of the Antminer S21 immersion-cooling miner hash board
Date: 2025-03-29 -
Operating principle of the domain voltage for the S21 IMM hash board
Date: 2025-03-29 -
How does the 19V boost circuit on the Antminer S21 IMM cooling hashboard work?
Date: 2025-03-29 -
Powering process of LDO circuit on Antminer S21 immersion-cooling hash board
Date: 2025-03-29 -
Antminer S21 IMM hashboard temperature sensor circuit working principle
Date: 2025-03-29 -
ASIC chip signal on the S21 immersion-cooling miner hash board
Date: 2025-03-29 -
Correctly view the kernel logs of Antminer KS5
Date: 2026-01-16 -
Antminer KS5 hashboard basic structure
Date: 2025-04-29 -
Antminer KS5 hash board domain voltage working principle
Date: 2025-04-29 -
How the Antminer KS5 hash board boost circuit works?
Date: 2025-04-29 -
Temperature sensing circuit of Antminer KS5 hash board
Date: 2025-04-29 -
Powering method for LDO circuit on Antminer KS5 hash board
Date: 2025-05-09 -
ASIC chip signals for Antminer KS5 hashboard
Date: 2025-05-22 -
Interpretation of Antminer S21 XP kernel logs
Date: 2025-12-26 -
Antminer S21XP hash board basic knowledge
Date: 2025-06-13 -
Domain voltage of Bitmain S21XP hashboard
Date: 2025-06-13 -
Working process of the Antminer S21XP hashboard boost circuit
Date: 2025-09-03 -
How does the LDO circuit on the S21XP hash board work?
Date: 2025-09-03 -
The function of temp sensing chips on Bitmain Antminer S21XP hash board
Date: 2025-09-12 -
ASIC chip signals on Antminer S21XP hash board
Date: 2025-09-19 -
Correctly interpreting the Antminer T21 kernel logs
Date: 2025-11-28 -
Antminer T21 BHB68701 hashboard basic structure and powering process
Date: 2025-10-21 -
How does the domain voltage of the T21 BHB68701 hash board work?
Date: 2025-10-21 -
Antminer T21 BHB68701 hash board 19V boost circuit
Date: 2025-10-21 -
Antminer T21 BHB68701 hash board temperature sensing circuit working principle
Date: 2025-10-21 -
How is the LDO circuit of the Antminer T21 BHB68701 hashboard powered?
Date: 2025-10-23 -
ASIC chip signals on the Antminer T21 BHB68701 hashboard
Date: 2025-10-29 -
Repair method for T21 BHB68701 hash board only detecting 104 ASIC chips
Date: 2025-11-03 -
0 asic caused by abnormal RI level conversion chip on T21 BHB68701 hash board
Date: 2025-11-04 -
How to repair the T21 BHB68701 hash board 0 ASIC caused by abnormal RI signal?
Date: 2025-11-07 -
Repair method for the T21 BHB68701 hash board does not detect all ASIC chips
Date: 2025-11-07 -
T21 BHB68701 hash board boost circuit fault repair method
Date: 2025-11-08 -
How to repair the temperature sensor circuit fault of T21 BHB68701 hash board?
Date: 2025-11-11 -
T21 BHB68701 hash board LDO powering abnormal caused in 0 ASIC chips detected
Date: 2025-11-13
China Mainland
Hong Kong
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Company Phone: +86-023-72227777
Spring Festival Holiday Notice
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Dear Friends,
Hello everyone, as China is about to usher in the Spring Festival, our company is scheduled to start the Spring Festival holiday from February 12 to February 23, 2026 (GMT+8). Our pre-sales customer service and course tutors will reply to your message as soon as possible. Please understand and forgive us if we are unable to reply promptly. Thank you for your support and trust in 2025. In 2026 and the future, the ZMRC team will continue to offer you more professional courses and technical support.
Best wishes,
ZEUS MINING CO., LTD.
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