Siemens SINUMERIK 840D - Page 9

IX
 Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Diagnostics Guide (DA), 10.04 Edition
10.04 Preface
Action list The actions described in the alarm texts ("Action %---") are explained in detail in the table
in the "Action list" section.
Finding information For better orientation, you are provided with a table of contents as well as the appendices:
• Abbreviations
• References
Safety
Explanation of symbols
Danger and
warning concept
The following warning notices with varying degrees of significance are used in the docu-
ment:
Danger
Please use the description of the alarms that have occurred to check the situation in
the system very carefully. Eliminate the causes for the occurrence of the alarms and
acknowledge in the manner indicated. Failure to observe this warning will place your
machine, workpiece, stored settings and possibly even your own safety at risk.
!
Important
This notice indicates important facts that must be taken into consideration.
Danger
Indicates an imminently hazardous situation, which, if not avoided, will result in death
or serious injury or in substantial property damage.
Warning
Indicates a potentially hazardous situation, which, if not avoided, could result in death
or serious injury or in substantial property damage.
Caution
Used with the safety alert symbol to indicate a potentially hazardous situation, which, if
not avoided, may result in minor or moderate injury or in property damage.