Siemens SINUMERIK 840Di Diagnostic Manual page 43

11/2006
4071 Check the position of the encoder
Definitions: A machine data has been changed that affects the value of an absolute encoder position. Please
check the postion values.
For absolute value encoders:
Encoder adjustment has been changed, the machine reference of the axis position may have
changed, check the encoder adjustment.
Other encoders:
The reference point of the axis position has been changed, check the referencing procedure.
Reaction: Alarm display.
Remedy: Please inform the authorized personnel/service department.
Program Clear alarm with the Delete key or NC START.
Continuation:
4073 Compile cycle functions define machine data number %1 several times
Parameters: %1 = Machine data number
Definitions: Can only occur when installing compile cycle functions. Two different compile cycle applications use
the same machine data number. The machine data which was defined twice is shifted into the free
number range above 64000.
Reaction: Alarm display.
Remedy: The error has no effect on the usability of the machine data and the function of the compile cycle
application. To ensure that the compile cycle machine data documentation is correct, you must
contact the supplier of the compile cycle. Only the supplier can remedy the error by changing the
software.
Program Switch control OFF - ON.
Continuation:
4075 Machine data %1 (and maybe others) not changed due to missing
permission level %2
Parameters: %1 = String: MD identifier
%2 = Write protection level of the MD
Definitions: On executing a TOA file or when writing data from the part program, an attempt has been made to
write an item of data with a higher protection level than the access authorization currently set in the
control. The item of data in question has not been written and program execution is continued. This
alarm is set only when access violation is detected for the first time.
Reaction: Alarm display.
Remedy: Please inform the authorized personnel/service department. Set the required access level by means
of keyswitch or password entry or delete the machine data concerned from the MD file/part program.
Program Clear alarm with the Delete key or NC START.
Continuation:
4076 %1 Machine data could not be changed with permission level %2
Parameters: %1 = Number of MDs
%2 = Preset access authorization
Definitions: On executing a TOA file or when writing data from the part program an attempt has been made to write
data with a higher protection level than the access authorization currently set in the control. The data
in question have not been written and program execution is continued without hindrance. This alarm
is issued on acknowledging the alarm EXBSAL_MD_PERMISSION_DENIED. It can be cleared only
with Power On.
Reaction: NC Start disable in this channel.
Alarm display.
Remedy: Please inform the authorized personnel/service department. Set the required access level by means
of keyswitch or password entry or delete the machine data concerned from the MD file/part program.
Program Switch control OFF - ON.
Continuation:
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Overview of Alarms
NCK alarms
2-43