Replacing Components Other Than Cards; Logging/Recording Faults And Visits - Siemens ST950 Handbook

The panel is retained by a number of screws to the main cabinet assembly.
(Mounting methods may vary in different cabinets).
After removal of these screws the panel may remain stuck in place by the gasket.
Ease the panel away from the housing, gradually working from one corner taking
care not to scratch or otherwise damage it.
The replacement panel should be mounted with a new gasket to prevent water
ingress. After fitting, reconnect the cable to the CPU Card.
An Internal Manual panel (where fitted) can be removed directly by removal of the
screws holding it to the 19 inch panel; it may be easier to remove the 19" panel from
the rack first. As there is no gasket on an internal Manual Panel, no sealing is
required on refitting.
10.4

Replacing Components Other Than Cards

When replacing any components (including cards) only approved spares may be
used. Use of any other components may invalidate the Type Approval of the
equipment. See Appendix for details of approved spares.
10.5

Logging/Recording Faults and Visits

Controller Visit Log Book
Every controller should have a log book. It should be a small book that is usually
stored in the document pocket affixed to the controller door. On every visit the
visiting Engineer should write down in the log book the date, his name, reason for
visit and actions taken. For example, the reasons for the visit may be a fault report,
routine inspection, fitting of new equipment, adjustment of timings, etc. The actions
taken may be PCB or unit replaced, timing adjusted, new equipment fitted, etc. This
information is essential for the next Engineer who may visit the site so that he can
see what has happened previously and helps to reduce duplication of effort.
The requirement to fill in the visit log book also applies to Local Authority Staff. The
maintenance organisation cannot be held responsible for any problems arising from
neglect of this responsibility.
If desired the site log facility within the controller can be used as an alternative to
the physical log book. Please see the ST950 User Interface Handbook
(667/HU/46000/000) for further details.
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Version
Last Editor
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Copyright © Siemens Mobility Limited 2018. All Rights Reserved.
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Neil Atkinson
ST950 ICM Handbook
Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Page 100 of 125
Status Issued
Date 18-Dec-2018
Document No. 667/HE/46950/000