Safety-Related Symbol Marks - Siemens YASKAWA 840DI Maintenance Manual

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
WARNING
serious injury, if done wrongly.
Indicates activities that could result in a dangerous condition, including major and
CAUTION
minor injury, or in damage to objects, if done wrongly.
It is noted that those activities as indicated by the
result in death or serious injury if done wrongly in a worst-case situation.
Indicates what you must not do. For example, the
PROHIBITED
not make or use a fire here.
Indicates what you must do unconditionally. For example, the
MANDATORY
means that you must always ground the object you are working with.
CAUTION
iii
Safety-related symbol marks
symbol mark could even
mark means that you must
ground mark