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Guidelines for Service Personnel, Continued
Fire Hazard
Incorrect use or installation of electrical equipment can cause a risk of fire. Be aware
of the following:
· Ventilation
Slots and openings in the product housing are provided for ventilation. Do not
block these openings and slots as insufficient airflow can be unsafe and cause fire.
· Critical Component Replacement
For continued protection against risk of fire; replace critical components only with
components of the same type and rating.
· Fuse Replacement
Replace fuses only with fuses of the same type and rating.
Precautions
Be aware of the following general precautions and guidelines:
· Wristwatch and Jewelry
For your personal safety and to avoid damage of the unit during service and
repair, do not wear electrically conducting objects such as wristwatch or jewelry.
· Lightning
Do not work on the product, or connect or disconnect cables during periods of
lightning.
· Labels
Do not remove any warning labels. Replace damaged or illegible warning labels
with new ones.
ESD
Electrostatic discharge (ESD) results from the static electricity build up on the human
body and other objects. This static discharge can degrade components and cause
failures.
Observe the following rules to reduce ESD effects:
· Do not attempt to open a unit without proper precautions against electrostatic
discharge such as:
- Use a wrist or ankle strap.
- Use an anti-static tablemat when working inside a product.
· Keep components in their anti-static packaging until you install them.
- Avoid touching electronic components when installing e.g. a module.
Continued on next page
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