
• If the equipment is not used for a long time, disconnect the equipment from mains to
avoid being damaged by transient over-voltage.
• Never open the equipment. For safety reasons, only qualified service personnel should
open the equipment.
• If one of the following situations arise, the equipment should be checked by service
personnel:
1. The power cord or plug is damaged.
2. Liquid has penetrated the equipment.
3. The equipment has been exposed to moisture.
4. The equipment does not work well or will not work according to its user manual.
5. The equipment has been dropped and/or damaged.
6. The equipment has obvious signs of breakage.
7. Please disconnect this equipment from the AC outlet before cleaning. Do not
use liquid or detergent for cleaning. The use of a moisture sheet or cloth is
recommended for cleaning.
• Module and drive bays must not be empty! They must have a dummy cover.
• The Equipment intended for installation should be placed in Restricted Access
Location.
CAUTION
There will be a risk of explosion if battery is replaced by an incorrect type. Dispose
of used batteries according to the instructions. After performing any installation or
servicing, make sure the enclosure are locked and screwed in position before turning
on the power.
CAUTION
This unit may have more than one power supply. Disconnect all power sources before
maintenance to avoid electric shock.
iii
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