Antminer 19 series repair course

Bitmain Antminer 19 series has attracted a lot of attention as a new miner with high hashrate and low power consumption in recent years, and most mining farms also have a large number of 19 series miners. As a newly launched miner, its maintenance guidance and skills are very vacant. If the miner is damaged, it will be sent back to the original factory for repair, which will delay time and reduce revenue. Therefore, many countries and regions need Antminer 19 series miner repair masters. ASIC miner repair courses will be explained in detail: Why does the Antminer S19 repeatedly start and stop? Why is the hashrate of the S19 hash board low or only 0? And ZMRC will continue to  the solutions to the new faults of the 19 series miners.

Many ZMRC students and maintenance friends will seek help. After the Bitmain antminer has been running for a long time will report following error: avg rate is lower than ideal rate, crc error, one hash board lacks of asics, etc. Learn related courses, to solve these simple and common faults.

Antminer S19j Pro 42601 hash board common faults:

Fault 1: reg crc error

Related videos:

1. Antminer S19j Pro hash board training about the the LDO chips and signals voltage

Fault 2: Chain 2 only find 0 asic, will power off hash board 2

Related videos:

1. Antminer S19j Pro hash board troubleshooting for 20V boost circuit

2. Antminer S19j Pro hash board troubleshooting for 23V boost circuit

3. Antminer S19j Pro hash board troubleshooting for DC control board

4. Antminer S19j Pro hash board training about the the LDO chips and signals voltage

Fault 3: Chain 1 only find X asic, will power off hash board 1

Related videos:

1. Antminer S19j Pro hash board training about the the LDO chips and signals voltage

Fault 4: ERROR_TEMP_TOO_HIGH: over max temp

Related videos:

1. Antminer S19j Pro hash board troubleshooting for temperature sensor circuit

Antminer S19j Pro 42631 hash board common faults:

Fault 1: 30m avg rate is 105957.01 in 29 mins，30m avg rate is 105860.30 in 30 mins，30m avg rate is 105745.10 in 30 mins，30m avg rate is 75685.89 in 30 mins，30m avg rate is 70881.04 in 30 mins，30m avg rate is 70521.72 in 30 mins

Log analysis: After the miner initialization is completed, the real-time hash rate is lower than the ideal hash rate.

Related videos:

1. Antminer S19j pro 42631 hash board 20V boost circuit

2. Antminer S19J PRO 42631 hash board LDO powering principle

3. What are the ASIC chip signals on Antminer S19j pro 42631 hashboard?

Fault 2: Chain 1 only find 0 asic, will power off hash board 1

Related videos:

1. Antminer S19j pro 42631 hash board 20V boost circuit

2. What are the ASIC chip signals on Antminer S19j pro 42631 hashboard?

3. Antminer S19J PRO 42631 hash board LDO powering principle

Fault 3: ERROR_TEMP_TOO_HIGH: over max temp

Related videos:

1. Antminer S19JPRO 42631 hashboard temp sensing circuit works

Fault 4: reg crc error

Related videos:

1. What are the ASIC chip signals on Antminer S19j pro 42631 hashboard?

2. Antminer S19J PRO 42631 hash board LDO powering principle