Innosilicon Fault Code Troubleshooting

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Troubleshooting mining malfunctions can be complex, yet InnoMonitor provides miners with a tool to quickly and accurately identify faulty parts. By inputting an IP range on Innosilicon’s website and running the batch management scan, issues may arise that require additional research before attempting any repairs or fixes; however, another scan will help confirm abnormalities.

Tracking down the source of an error code

When encountering an error code from a miner, it can be difficult to pinpoint where the fault lies. However, with some understanding of common miner issues and their corresponding error codes, it is possible to locate the fault part accurately.

Restarting the miner is generally a good first step when troubleshooting. This allows for any abnormal conditions to reset and for any malfunctioning parts to be re-engaged or reconnected. To accurately identify faulty parts in a miner, one should first download and open InnoMonitor, a batch management tool. This tool is available on the website of Innosilicon. After opening, input the IP range the miner is associated with and press the “Scan” icon.

If there is an issue with the miner, but no error code is reported, it is necessary to enter the miner log backstage to find the actual error code. To do this, ensure you have opened InnoMonitor and followed instructions up until now. Once you are in the log backstage, observe carefully and take note of any variables or irregularities in comparison to other miners in your system. This could be abnormal fan speeds or temperatures, so pay close attention to data values like these.

If the issue persists, examining the various components of the miner can help identify which parts require attention. For example, if Error Code 30 is encountered (which indicates an inability to connect to the mining pool), checking whether the pool is configured correctly or examining whether the network port of the miner is connected properly are two possible solutions. Similarly, if Error Code 35 (abnormal power output) appears, restarting or replacing the power supply could rectify this issue.

If Error Codes 21 (individual hash boards not detected) or 24 (hash board fault) present themselves, powering off and cooling for 10 minutes before turning back on may resolve these errors temporarily. Additionally, checking that all power supplies and cables are tightly connected can help identify faulty hash boards, which may need replacement to restore the normal operation of the miner. Furthermore, checking that all data cables are connected in proper sequence and making sure screws at both ends of terminals and SPI cable connections are secure should be examined since they can cause unexpected results if loose or broken.

For more complex errors such as chip abnormality (Error Code 31) or voltage difference warnings (Error Code 164), consulting after-sales personnel or replacing particular components like control boards may be necessary.

Although locating faults within miners requires an understanding of specific error codes and potential solutions for each one, anyone familiar with mining processes can identify exactly what needs fixing by following the steps outlined above.

Innosilicon error code definitions

Error Code 32: ErrHighAirTemp – High air temperature, fans may be rotating in different directions

Error Code 30: NoPoolConnection – Unable to connect to the mining pool

Error Code 22, 29: Battery12CCommunicationFailure – Battery 12C communication is abnormal

Error Code 35, 40, 41: AbnormalPowerOutput – Abnormal power output

Error Code 21: IndividualHashBoardsNotDetected – Individual hash boards are not detected

Error Code 23, 24, 27: DataCableConnectionSequenceIncorrect – The data cable connection sequence is incorrect

ErrorCode 31: HashBoardFault1- Hash board fault (individual chip)

ErrorCode 25, 26, 28, 33, 36, 42: HashBoardFault2- Hash board fault (all chips)

ErrorCode 37 : ControlBoardorHashBoardDoesNotMatch- The control board or hash board does not match

ErrorCode 38 : ErrBadRearChips – The last few chips have a low hash rate, it is recommended to replace them

ErrorCode 39 : ErrInvTuneParam- Aging parameter abnormal, initial aging frequency voltage is incorrect

Error Code 41: PSU_STARTUP_VOLT – Startup voltage problem b/p – off for 15 minutes

Error Code 42: SETPLL_PLANB_FAIL – Low frequency on chip

Error Code 43 : VOLT_DIFF_FAIL – Failure, overvoltage on chip

ErrorCode 47 : WATCHDOG – Watchdog reset

ErrorCode 51 : SPI_HighSpeed- Chip overvoltage – drive in low mode

Error Code 52 : CONF_PARA1 – In connected mode, changes pool

ErrorCode 53 : CONF_PARA2 – Use this, a hash is underrated on a board

Error Code 57: PSU_BAD_POWER – B/p insufficient power

ErrorCode 161 : Dec_Power- Underestimate board frequency

ErrorCode 164: VoltAB_Diff_Warn- Voltage difference warning


By understanding the various error codes and their potential solutions, miners can quickly identify which parts of the mining process require attention. Whether it’s an inability to connect to a pool or abnormally low power output, these errors can be solved by following some simple steps outlined in this article. Additionally, complex issues such as chip abnormalities or voltage difference warnings may require consultation with after-sales personnel or replacement of particular components like control boards. With this knowledge in hand, anyone familiar with mining processes should now be able to maintain their miner effectively and efficiently.

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Disclaimer: The information provided on this blog is for informational purposes only and should not be taken as any form of advice.

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