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Galaxy RAID A24U Bay Subsystems Installation and Hardware Reference Manual
3.2.8 Cooling Module LED
Figure 3-7: Cooling Fan Module LEDs and Cooling Fan Locations
Each cooling module has two (2) red LEDs. Each LED corresponds to a single cooling
fan within the module. (See Figure 3-7)
RED
Status
OFF
The respective cooling fan is operating normally.
ON
The respective cooling fan has failed and the module must be
replaced.
Table 3-8: Cooling Fan Module LED Definitions
3.3. Audible Alarm
Different controller environmental and operational parameters (such as temperature, etc.)
have been assigned a range of values between which they can fluctuate. If either the
upper or lower thresholds are exceeded, an audible alarm will automatically be triggered.
The alarm will also be triggered when an active component of the subsystem fails. If the
subsystem manager is onsite and is alerted by the alarm, the manager needs to read the
error message on the LCD screen or on the PC terminal to determine what has triggered
the alarm. After determining what has occurred, the subsystem manager must take
appropriate actions to rectify the problem.
WARNING!
Whenever an alarm is triggered, you must determine the problem. If the audible alarm
is ignored or not taken seriously and the problem is not rectified, permanent damage
to the system can result.
3-8
Audible Alarm