Recent content by stylevip

no matter I downgrade or upgrade,always red solid light with long beep in the end.The log file like this: [01308155][19 00] Firmware upgrade start... [01338823][19 00] Firmware upgrade finish failed (step = 2, err = 0x08).

can anybody help me? when I downgrade 1.9 to 1.8,it end with the red solid flash. I powered on the ac and rc, I saw the version of ac with a "+" in the end. So I repeated the step,downgrade 1.9 to 1.8.After that, I can't connect ac to rc. Ｉaslo changed all the kind of rc fw versions.it's the...