6 Maintenance and Repair
You must perform maintenance and repair work in compliance with all safety instructions in this
manual.
You must perform maintenance, calibration and repair work according to the latest versions of
Service Manuals on the support website http://www.universal-robots.com/support.
Only authorized system integrators, or Universal Robots, shall perform repairs.
All parts returned to Universal Robots shall be returned according to the service manual.
6.1 Safety Instructions
After maintenance and repair work, checks must be done to ensure the required safety level. Checks
must adhere to valid national or regional work safety regulations. The correct functioning of all
safety functions shall also be tested.
The purpose of maintenance and repair work is to ensure that the system is kept operational or, in
the event of a fault, to return the system to an operational state. Repair work includes troubleshoot-
ing in addition to the actual repair itself.
When working on the robot arm or control box, you must observe the procedures and warnings
below.
DANGER:
1. Do not change anything in the safety configuration of the soft-
ware (e.g. the force limit). The safety configuration is described
in the PolyScope Manual. If any safety parameter is changed,
the complete robot system shall be considered new, meaning
that the overall safety approval process, including risk assess-
ment, shall be updated accordingly.
2. Replace faulty components using new components with the
same article numbers or equivalent components approved by
Universal Robots for this purpose.
3. Reactivate any deactivated safety measures immediately after
the work is completed.
4. Document all repairs and save this documentation in the tech-
nical file associated with the complete robot system.
Version 3.10
Copyright © 2009–2019 by Universal Robots A/S. All rights reserved.
I-49 UR3/CB3
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