Siemens SINUMERIK 828D Commissioning Manual page 741

4. Start the trace by activating the checkbox or from any place on the user interface with the
following key combination:
<Alt> + <T> on the operator panel
<Alt> + <Shift> + <T> on an external keyboard
The following icon is displayed at the top right in the header to show that a trace is active:
5. On the user interface, repeat the operating sequence whose cause is to be clarified.
6. Stop the trace by deactivating the checkbox or from any place on the user interface with
the following key combination:
<Ctrl> + <T> on the operator panel
<Ctrl> + <Shift> + <T> on an external keyboard
7. A sltrc.out output file is generated which you can copy to the storage medium with the
"Export data" softkey.
8. Send the sltrc.out file for analysis back to the Service & Support Center.
Note
On completion of the analysis, it is recommended to delete all files under the following path: ../
user/sinumerik/hmi/log/sltrc
Note
"Extended" softkey
The other options in this dialog support suitably qualified service engineers in the analysis of
the system and evaluation of the HMI trace.
SINUMERIK Operate
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3
Service and diagnostics
10.7 HMI trace
373