All rights reserved  98  Servicemanual_UR10_en_3.1.3 
 
 
   
Communication failure with 
a joint or the tool connector 
Go to tab General and press “TURN POWER ON” 
and “Go to Idle” and “Arm robot” Does state of 
tool switch from “OFF” to “ON”? 
Go to LOW LEVEL CONTROL in EXPERT MODE 
(consult chapter 4.2 for how to access EXPERT 
Does state of tool switch to 
READY? 
Replace tool 
Check log history for error messages and consult 
the section Error Codes for detailed explanation 
connector is fully inserted in 
printed circuit board 
Read also article 19744 on the support site 
www.universal-robots.com/support