YASKAWA SIEMENS CNC Series, Maintenance Manual, Serviceman Handbook

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Safety-related symbol marks
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Safety-related symbol marks
The following symbol marks are used in this manual to draw special attention to safety
information.
The information next to these symbol marks is important for safety and thus must always be
followed.
Indicates activities that could result in a dangerous condition, including death and
serious injury, if done wrongly.
Indicates activities that could result in a dangerous condition, including major and
minor injury, or in damage to objects, if done wrongly.
It is noted that those activities as indicated by the symbol mark could even
result in death or serious injury if done wrongly in a worst-case situation.
Indicates what you must not do. For example, the mark means that you must
not make or use a fire here.
Indicates what you must do unconditionally. For example, the ground mark
means that you must always ground the object you are working with.
WARNING
CAUTION
CAUTION
PROHIBITED
MANDATORY