Operating Instructions Chapter 12
M4000 Adv., Adv. A/P, Area
8010797/YT72/2016-02-19 © SICK AG • Industrial Safety Systems • Germany • All rights reserved 111
Subject to change without notice
Fault diagnosis
Display Possible cause Remedying the error
$
8)
Concurrence
monitoring error
If override is configured, Override required is
displayed.
Check the muting sensors. If necessary, replace
them.
Check whether the concurrence monitoring is
correctly configured and whether the system is
working correctly.
$
8)
Sequence monitoring
error
If override is configured, Override required is
displayed.
Check the muting sensors. If necessary, replace
them.
Check whether the muting sensors are activated
and deactivated in the correct sequence.
$
8
)
Direction detection
error
If override is configured, Override required is
displayed.
Check the muting sensors. If necessary, replace
them.
Check whether the system is working correctly,
whether the transport device is functioning
correctly and whether the muting sensors are
correctly positioned.
$!
8)
Sensor gap monitoring
error
If override is configured, Override required is
displayed.
Check whether the sensor gap monitoring is
configured correctly and whether the gaps in the
goods transported are not too large.
Check the muting sensors. If necessary, replace
them.
$
8)
Error after belt stop If override is configured, Override required is
displayed.
Check whether the belt stop input signal is
working correctly.
Ensure that there are no further state changes at
the muting sensors and the ESPE once the belt
stop signal is present.
Check the muting sensors. If necessary, replace
them.
$"
8)
Error of the muting
lamp
If override is configured, Override required is
displayed.
Check the muting lamp. If necessary, replace
them.
Verify that the muting lamp is connected
correctly.
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