System manual CECX / Diagnosis
9 Diagnosis
9.1 Display of errors in the 7-segment display
Errors can occur and/or be pending in and/or during the transition between
the different operating modes of the control (e.g. STOP on RUN).These er-
rors are signalized in the 7-segment display parallel to the status display.
The latest error in a character sequence is always displayed at full second
intervals. It consists of the status and the error status.
Display during the start-up of the boot block or the firmware:
status
,,,,
error
, ,
signals, for example, the error 31 in status "Hardware initialization" ("FPGA
could not be loaded")
Display during the start-up of the application:
status
,,,, ,
error
, ,
signals, for example, the error 103 in Status Init ("no 3S license or initializa-
tion error 3S runtime system")
The display of the error can be confirmed by activating the CTRL-key after
which the normal status display re-appears.
Given the limited range of display options the errors are summarized into
main- and sub-groups, so as to enable the user to make an initial diagnosis
without having to read out the full error log.
9.2 Touch control at error display during operations:
If the 7-segment display indicates an error, the CTRL-key can be used to
confirm this with a short keystroke.
CECX-II 9-1
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