C161 Large movement of the robot detected while it was powered off. The joints were moved while it was powered off, or the encoders do not function

Try the following actions to see which resolves the issue: (A) Verify that the robot position in the 3D graphics matches the real robot to ensure the encoders function before releasing the brakes. Stand back and monitor the robot performing its first program cycle as expected, (B) If the position is not correct, the robot must be repaired. In this case, tap Power Off Robot, (C) If the position is correct, please tick the check box below the 3D graphics and click Robot Position Verified

If you unable to resolve the issue, login to http://myUR.universal-robots.com and create a new case.