
Overview of System Error Alarms 06/2009
Structure of alarm description
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© Siemens AG 2009 All Rights Reserved
SINUMERIK 802D sl, Diagnostics Manual, 06/2009
1.2 Structure of alarm description
Each alarm consists of an alarm number and alarm text. There are four descrip-
tion categories:
• Explanation
• Response
• Remedy
• Program continuation
For a more detailed explanation of the "Reaction" category, please refer to
section: "System reactions on alarms"
For a more detailed explanation of the "Program continuation" category, please
refer to the section: "Clear criteria for alarms"
"%" specification
The "%" specification indicates variables for an online parameter that is replaced
by the corresponding value on the controller. As 802D sl is a single-channel con-
troller system, "channel 1" is always given.
Safety
Danger
Please check the situation in the plant on the basis of the description of the active
alarm(s). 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.
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