I have the same problem, fan are working well, charging well, discharging is ok..while searching I came to this chat box?!
I tried to turn it off for 12 consecutive houres to make sure that there is no heat problem, then I turned it on, but still showing the 02 error alert.
i am sure it need another type of reset, but can some one tell us how?
email it please to: obeid.adam@ gmail.com