6 Maintenance and Repair
It is essential for both maintenance and repair work that it be performed in compli-
ance with all safety instructions in this manual.
Maintenance, calibration and repair work must be performed according to the newest
versions of Service Manuals found on the support website http://www.universal-robots.
com/support.
Repairs shall only be performed by authorized system integrators or by Universal
Robots.
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 carried out to ensure the re-
quired safety level. The valid national or regional work safety regulations must be
observed for this check. 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 troubleshooting in addition to the actual repair itself.
The following safety procedures and warnings must be observed when working on
the robot arm or control box.
DANGER:
1. Do not change anything in the safety configuration of the
software (e.g. the force limit). The safety configuration is de-
scribed 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 assessment, 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 3.4.5
Copyright © 2009–2017 by Universal Robots A/S. All rights reserved.
I-45 UR5/CB3
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