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6
Diagnostics and error handling
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Festo – P.BE-CPX-CMAX-SYS-EN – en 2017-09b – English
6.3
Diagnostics via display
The CMAX shows status and diagnostic information directly on the display (7-segments display).
1
2
3
1
Position 1.: status display
2
Point for separation
3
Position 2. and 3: additional information
Fig. 6.2
Structure of the display
6.3.1
Error display
In case of an error, E for Error is shown as status display. Additional information is the number of the
error message. The CMAX always shows in the display the first error that occurred. If additional errors
occur, they are not displayed even if they are more serious.
Example
Display
Description
E
E = Fault (Error) is present
50
Number of the error message of the first error (here 50)
Tab. 6.3
Error display – example E50: Operating pressure is too low;
è
Possible error and warning numbers
è
Section 6.4.4. Possible status displays and addi
tional information on the display
è
Warnings are not shown in the display.