Communication error. the led (orange / green) is off on the Arm


Alim. 12.V OK -. wifi cable connected.- Dobot Arm alimentation Ligh is ON OK
but led stay OFF Dobot Studio say “communication error”
What is th problem ?
Can I replace the card with an arduino 2560
How to disassemble the plastic cover under the arm?


Have you tried to reinstall the firmware? Try to update it here:

Reinstall the firmware