(Solved) R270 Programmer: Unknown Device


i was programming an VitoEZS with my R270 programmer but blocked.

disconnected interface from PC and didn’t recognize it anymore.

USB\VID_0000&PID_0000\5&B9FD9BE&0&2 and unknown device.
when plug to 12v sound on “beep,..beep … beep,beep”

Here is the solution worked.

Post it here and hope it help someone out.

(BIG THANKS to ocostel from MHH)

Note: R270 cannot get the Internet!!!!

You can program VID / PID with FT_Prog.
Firstly you must uninstall ftdi driver,

use UD Fixer and “make” driver for VID_0000&PID_0000 ,

open FT_Prog and restore VID & PID values,

install proper driver

Free download FT_Prog and UD Fixer: