ok. Alors j'ai:
[DEBUG] 19:08:18: Start process POWER ON/OFF v1.1.0
[DEBUG] 19:08:18: Request Power STATUS, #0 please wait...
[DEBUG] 19:08:18: Power STATUS command successufully transmited.
[DEBUG] 19:08:18: Result's lenght : 110 string
[DEBUG] 19:08:18: Result fail, retry process, #0 please wait...
[DEBUG] 19:08:18: Result's lenght : 27 string
[DEBUG] 19:08:18: Result fail, retry process, #1 please wait...
[DEBUG] 19:08:20: Result's lenght : 0 string
[DEBUG] 19:08:20: Result fail, retry process, #2 please wait...
[DEBUG] 19:08:21: Result's lenght : 27 string
[DEBUG] 19:08:21: Result fail, retry process, #3 please wait...
[DEBUG] 19:08:21: Result's lenght : 27 string
[DEBUG] 19:08:21: Result fail, retry process, #4 please wait...
[DEBUG] 19:08:21: Cannot send command !