Siemens SINUMERIK 840Di Diagnostic Manual page 456

Overview of Alarms
NCK alarms
27002 Axis %1 test stop is running
Parameters: %1 = Axis number
Definitions: Proper functioning of the switch-off path is just being tested by setting of the SGE "Test stop
selection".
Reaction: Alarm display.
Remedy: The message serves only for user information.
Program Alarm display showing cause of alarm disappears. No further operator action necessary.
Continuation: The alarm will disappear automatically after expiry of the delay time - defined in MD
$MA_SAFE_PULSE_DIS_CHECK_TIME - and after removal of SGE "Test stop selection", if the
control recognizes pulse suppression, i.e. the test has been completed successfully. An unsuccessful
test can be recognized by alarm 27001 with error code 1005 or by alarm 27024.
27003 Checksum error found: %1 %2
Parameters: %1 = Note on code section or table
%2 = Table number
Definitions: Checksum error in safety-relevant code or safety-relevant data. The safe monitoring functions (Safety
Integrated) in the NCK could be affected.
Reaction: Alarm display.
Remedy: Continue to work very carefully. Reload code and data as soon as possible (Power On). If this error
occurs again, contact your service personnel.
Program Switch control OFF - ON.
Continuation:
2-456
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
11/2006