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Siemens ST950 - Page 115

Siemens ST950
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Mobility, Intelligent Traffic Systems
Sopers Lane, Poole, Dorset, BH17 7ER
Security classification
Unrestricted
Page
115 of 154
Version
7
Status
Issued
Last Editor
manpreet.jeerh
Date
January 2020
Document Name
ST950 ICM Handbook
Document No.
667/HE/45950/000
Inspect the main door seal and Manual Panel gasket, ensuring they are intact and
in the correct position. Replace as necessary ensuring that the surface is clean
before fitting.
Check the Manual Panel for any damage and replace if necessary. Check that all
functions operate correctly. Press the lamp test keypad and check that all LEDs are
operational.
Check the termination panel(s) and master switch panel within the controller and
ensure that there are no loose fixings, or damage to these panels. Tighten any
loose fixings and carry out any repairs that are necessary.
Check the logic rack(s) and other assemblies within the controller are securely
fixed. Retighten loose fixings as necessary.
Ensure that no fault indications are showing..
The following tests will result in the signals extinguishing.
Test the 300mA RCD (if fitted) by pressing the test button. The breaker should
operate immediately.
Check that all fuses are secure in their holders. It is strongly recommended that the
controller supply is isolated before any fuses are checked.
Check for damage all wiring, cables and cable forms, particularly any of the more
vulnerable small gauge, single insulation wires and cables, such as ribbon cables.
Repair or replace if necessary.
If fitted, the RTC battery backup cell on the CPU Card must be replaced if it has
passed the replace by date on the label below the coin cell holder. The date label
supplied with the replacement kit should be fitted over the existing label. Having
done this, the controller records should be updated accordingly.
The following tests require the controller to be powered and running
normally.
Check that all inputs used are operating correctly using the user interface.
Test the maintenance socket RCD by pressing the test button. The breaker should
operate immediately.
The following checks should be carried out before leaving the site.
Check the cabinet door seals are intact and in the correct positions. Replace as
necessary ensuring the surface is clean before fitting.

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