21
Troubleshooting
ME61
10
TROUBLESHOOTING
Problem
Possible cause
Measure
An incorrect value is applied
or the value is zero.
The process values are not
assigned or are assigned to the
wrong participants.
Check the assignment of the process
values.
Table 7:
Troubleshooting
10.1
Status indicators and measures
The status alerts always refer to the device with the values being displayed.
Displaying status alerts
with regard to NAMUR NE
107
Description
Measure
Red
Device defective.
Device requires maintenance –
contact the manufacturer.
Communication with other büS parti-
cipants not possible.
Connect device to a network with
other büS participants.
Bus error (e.g. short circuit).
Check cables.
The device has no connection to the
PLC.
Check cables.
Check device description for the
device connection to the PLC.
Device cannot find the assigned büS
participant.
Check whether the büS participant
is assigned to the device.
Orange
Search for büS participants is active.
Status ends after a few seconds.
If the device status lasts longer than
4 minutes, restart the network.
Yellow
Device temperature outside of speci-
fication, destruction of device cannot
be ruled out.
Operate the device within the
specifications.
Internal device diagnostics indicate
problems in the connected device or
its process characteristics.
Perform measure according to
logbook notifications.
Blue
Maintenance required
Perform device maintenance.
Table 8:
Measures for displaying device status
English