Messages Reference Guide

System Event Log Messages for IPMI Systems 39
Fan Sensor Events
The cooling device sensors monitor how well a fan is functioning. These messages provide status warning
and failure messages for fans for a particular chassis.
Table 3-3. Fan Sensor Events
Event Message Severity Cause
< Sensor Name/Location > Fan sensor
detected a failure <
Reading > where
<
Sensor Name/Location > is the entity
that this sensor is monitoring. For
example "BMC Back Fan" or "BMC Front
Fan."
Reading is specified in RPM. For
example, 100 RPM.
Critical The speed of the specified <Sensor
Name/Location> fan is not sufficient to
provide enough cooling to the system.
<Sensor Name/Location > Fan sensor
returned to normal state <
Reading >.
Information The fan specified by <Sensor
Name/Location> has returned to its normal
operating speed.
<
Sensor Name/Location > Fan sensor
detected a warning <
Reading >.
Warning The speed of the specified <Sensor
Name/Location> fan may not be sufficient
to provide enough cooling to the system.
<
Sensor Name/Location > Fan Redundancy
sensor redundancy degraded.
Information The fan specified by <Sensor
Name/Location> may have failed and
hence, the redundancy has been degraded.
<
Sensor Name/Location > Fan Redundancy
sensor redundancy lost.
Critical The fan specified by <Sensor
Name/Location> may have failed and
hence, the redundancy that was degraded
previously has been lost.
<Sensor Name/Location> Fan Redundancy
sensor redundancy regained
Information The fan specified by <Sensor
Name/Location> may have started
functioning again and hence, the
redundancy has been regained.