User guide

10 Preface10
Figure 8. PSU Warning Label: Power Harzard
• The power connection should always be disconnected prior to removal of the Power Supply
module from the enclosure.
• A safe electrical earth connection must be provided to the power cords. Check the grounding
of the enclosure before applying power.
• Provide a suitable power source with electrical overload protection to meet the requirements
laid down in the technical specification.
!
WARNING
Do not remove covers from the Power Supply module. Danger of electric shock inside. Return the
Power Supply module to your supplier for repair.
Figure 9. PSU Safety Label: Electric Shock Hazard Inside
!
CAUTION
If this equipment is used in a manner not specified by the manufacturer, the protection provided by
the equipment may be impaired.
Figure 7. Power Supply Module Caution Label: Do not operate with modules missing
• A faulty Power Supply module must be replaced with a fully operational module within 24
hours.
• When powered by multiple AC sources, disconnect all supply power for complete isolation.