6.9 Maintenance status and maintenance group display
Introduction
The diagnostic icon represents the maintenance state of the component.
The maintenance group display represents the message state of the component and the lower-
level components.
Note
If the maintenance state is "Unchecked/unknown" in the faceplate, all other dynamic displays
are irrelevant.
Correlation maintenance state and maintenance group display
The following table provides an overview:
Maintenance state Maintenance group display
Display Remark Val‐
ue
Prior‐
ity
Display Message class/
state
Message state
Unknown/
untested
8 1 No message is pending -
Maintenance
alarm
7 2 AS process control fault "S" display
● Flashing
Message not
acknowledged
● Not flashing
Message
acknowledged
Maintenance
demanded
6 3 AS process control error "F" display
● Flashing
Message not
acknowledged
● Not flashing
Message
acknowledged
Maintenance re‐
quired
5 4 Preventive maintenance "M" display
● Flashing
Message not
acknowledged
● Not flashing
Message
acknowledged
Operator control and monitoring
6.9 Maintenance status and maintenance group display
Maintenance Station
Function Manual, 03/2016, A5E36187641-AA 123