Originally Posted by
elephantcnc
Emergency Recovery DSP A11 Control System:
1. Press the green "OK" button for a long time, don't move your finger.
2. Connect the USB cable to the computer (the handle is powered by the computer, no other effect).
If you can enter the emergency recovery page, that the handle is no problem.
Then emergency recovery system:
A system upgrade, you can use the u disk to upgrade the system to solve this problem.
If you can't enter the emergency recovery page, I am sorry to say that it means the handle is broken.
These only represent my personal point of view, because I did not see the actual situation of your handle, you can try it. Hope I could help you.
PS: The best way is to find after-sales service from where you bought the machine.