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10
Maintenance and service
10.1
Routine maintenance
10.2
Corrective maintenance
10.2.1 Policy
10.2.2 Line replaceable units (LRUs)
46
Siemens Building Technologies
Fire Safety & Security Products
The following maintenance guidelines should be observed.
Cleaning
The only routine maintenance task to be conducted on the VIS3I-328 unit is
cleaning at regular intervals. The regularity of the cleaning task will depend on the
environmental conditions.
Strong abrasive detergents should not be used.
Wiping over the cover with a soft dry cloth will normally suffice.
A suggested policy to be adopted for the unscheduled maintenance of the VIS3I-
328 is:
All unscheduled maintenance tasks relate to the removal and refitting of the Line
Replaceable Units (LRUs) identified in Tab. 36.
Items considered repairable will be returned to the supplier for investigation and
possible repair or replacement.
The Line Replaceable Units (LRUs) of the VIS3I-328 are the power supply module,
the quad card (if fitted) and the mains supply fuse.
Equipment Description
Power Supply Module
Quad Card
Mains supply fuse
VIS3I-328 – Line replaceable units
Tab. 36
Part Number
VIS3I-PSU
VIS3-QUAD
2 A 250 V AC 5x20 Type (T), HBC
10.2008
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