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5. Diagnostics and error handling
Festo GDCC-CECX-K-D1-EN en 0802a
67
5.3
On-the-spot diagnostics via 7-segment display
Errors can occur or be present during the transitions between the respective operating
states (e.g. STOP to RUN) of the controller. These errors are displayed in the 7-segment
display as a character sequence together with the current status. Each individual charac-
ter in the sequence is shown one after the other at 1-second intervals.
The error display can be quit by briefly pressing the CTRL key. The normal status display
then resumes.
Example: Display during start-up of the firmware
The following character sequence indicates the error 51 in the "Load Firmware" status (no
firmware found):
Status
Error
,
,
,
,
,
Example: Display during start-up of the application
The following character sequence indicates the error 401 in the "Init" status (error start-
ing the I/O system):
Status
Error
,
,
,
,
,
,