
Preface 06/2007
viii
" Siemens AG 2007 All Rights Reserved
SINUMERIK 802D sl, Diagnostics Manual, 06/2007 Edition
In the event of a number of levels of danger prevailing simultaneously, the warn-
ing corresponding to the highest level of danger is always used. A warning notice
accompanied by a safety alert symbol indicating a risk of bodily injury can also
indicate a risk of property damage.
Qualified persons
The associated device/system must only be set up and operated using this doc-
umentation. The device/system must be commissioned and operated by qualified
personnel only. Qualified personnel as defined under the safety guidelines in this
documentation are those who are authorized to start up, earth and label units,
systems and circuits in accordance with the relevant safety standards.
NOTICE
indicates that an undesirable result or state may occur if the corresponding
instruction is not followed.
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