All rights reserved  94  Servicemanual_UR3_en_rev3.1.2 
 
5.3.5 Checklist after a collision 
 
 
 
 
 
 
   
Checklist after a collision 
Remove lid and inspect 
parts inside of joint 
Visually inspect robot arm. 
Are any parts visually damaged, like damages on 
Stop robot program and eventually press the 
Emergency button prior to entering the work cell 
Press free drive button on back of TP and check 
the free drive function of all joints > any abnormal 
friction or behavior observed? 
Inspect joint with abnormal 
behavior 
Check log history for error messages and consult 
the section Error Codes for detailed explanation 
Press free drive button on back of TP and check 
the free drive function of all joints > any excessive 
noise observed? 
Inspect joint with abnormal 
noise. If click noises appear, 
check brake pin 
Start the robot program in reduced speed and 
verify robot is running as intended