When the voltage of the Innosilicon G1308 PSU is abnormal, we can download the G1308 firmware and upgrade it to repair the power supply.
When upgrading the firmware of the INNOSILICON power supply, we need to use the firmware corresponding to the code on the psu box to .
Note: Updating and upgrading firmware requires JINK V9 emulation downloader.
This link is a digital file, which can be downloaded for free as a student of the ZMRC bitcoin miner repair training course.