If it doesn't work try to read this link below.
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https://www.innosilicon.com/html/support_en/q_a.htmlYou can find the answer under "How to locate the faulty part by the error code of the miner?" If their solution doesn't solve your issue you might need to replace the power supply or send it back to innosilicon for replacement or repair.
Maybe the firmware version you flash might be incompatible for the PSU of your miner that is why you get this error.
Do you have a miner tool installed on your PC(On the same network)?
Try to use inno monitor tool and do this step to check the PSU vendor, PSU version and errors.
the InnoMonitor can be download from here
https://www.innosilicon.com/html/support_en/tool.htmlAll the guide is under their faq page. You need to read this "
How to update T2TZ-30T or T2TS to the latest firmware?." It might help to troubleshoot the problem if you get the PSU vendor and PSU version post it here I try to help you find the right firmware for your miner.