HP NonStop G-Series - Manual (Page 41)

State Indicators
The color of system icon in the view pane shows
the overall state of the system.
A red or yellow icon displayed over a resource
indicates that it requires service or operational
intervention.
Icons in the overview pane show the state of
various resources.
In the tree pane, a yellow arrow is displayed over a
system, group, module, or parent object to indicate
that one or more subcomponents require service or
operational intervention.
State icons are also shown in the Physical view of a
cluster or system.
Alarm Indicators
If the object has at least one alarm, an alarm icon appears:
In the tree pane