7
2.3 General Servicing Precautions
Be aware of the following general precautions and guidelines:
.
Servicing
- Servicing is required when this equipment has been damaged in any
way, such as power supply cord or plug is damaged, liquid has been spilled or
objects have fallen into this equipment, this equipment has been exposed to rain
or moisture, does not operate normally, or has been dropped. Before servicing,
turn off the equipment's electrical power by switching the circuit breaker to the
OFF position. Refer all servicing to qualified service personnel.
·
Wristwatch and Jewelry
- For personal safety and to avoid damage of this
equipment during service and repair, do not wear electrically conducting objects
such as a wristwatch or jewelry.
·
Lightning
- Do not work on this equipment, 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.
·
- Do not open the cover of this equipment and attempt service unless
Covers
instructed to do so in the instructions. Refer all servicing to qualified service
personnel only.
·
- Do not allow moisture to enter this equipment.
Moisture
·
- After service, assemble this equipment and perform safety
Safety Checks
checks to ensure it is safe to use before putting it back into operation.
Ÿ
Electrostatic Discharge
Electrostatic discharge (ESD) results from the static electricity buildup on the human
body and other objects. This static discharge can degrade components and cause
failures.
Take the following precautions against electrostatic discharge:
Ÿ
Keep components in their anti-static packaging until installed.
Ÿ
Avoid touching electronic components when installing a module.
WARNING
Avoid electric shock! Opening or removing this equipment's cover may
expose you to dangerous voltages.
WARNING
To reduce risk of electric shock, before servicing, turn off the
equipment's electrical power by switching the circuit breaker to the OFF
position. Refer all servicing to qualified service personnel only.
CAUTION
These servicing precautions are for the guidance of qualified service
personnel only. To reduce the risk of electric shock, do not perform any
servicing other than that contained in the operating instructions unless
you are qualified to do so. Refer all servicing to qualified service
personnel.
Summary of Contents for dflow
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