60
4
O
PERATION
4.2 S
ETTING
AND
MONITORING
ALS
350
450
4.2.6
If errors occur
Warning messages
If the machine control system detects a malfunction,
but the labelling operation does not have to be inter-
rupted:
– A warning message appears on the LED-indicator
of the operator panel.
– A warning message is displayed in the format
W_nn
:
W stands for warning,
nn is a two-digit numerical code.
– An electronic signal is issued at the same time. The
signal can be further processed by an external con-
trol system.
– For an explanation of the warning messages and
notes on fault elimination, see chapter
Operational
malfunctions
.
Example [64]:
– The current labelling speed is too high.
– The warning message W__4 appears on the opera-
tor panel.
– An electronic signal is sent to the system control.
– The system control issues an additional warning
tone.
Error messages
If the machine control system detects a serious mal-
function:
– The labelling operation is automatically halted.
– An error message appears on the LED-indicator of
the operator panel.
– A warning message is displayed in the format
E_nn
:
E stands for error,
nn is a two-digit numerical code.
– An electronic signal is issued at the same time. The
signal can be further processed by an external con-
trol system.
– For an explanation of the error messages and notes
on fault elimination, see chapter
Operational mal-
functions
.
Example [65]:
– The label ribbon is torn.
– The error message E__6 appears on the operator
panel.
– An electronic signal is sent to the system control.
– The system control issues an additonal warning
tone and stops the conveyor belt.
[64] Example: The warning message W__4 is displayed on the op-
erator panel
[65] Example: The error message E__6 is displayed on the operator
panel