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EonStor A16E-G2130-4 Installation and Hardware Reference Manual
3.2.7 Cooling Module LEDs
Each individual cooling fan within the cooling module has one (1) red LED
on the PSU module. The LED corresponds to the single fan in the cooling
module. (See Figure 3-7) When the LED is on, it indicates the fan has
failed. When the LED is off, it indicates the fan is functioning properly.
Figure 3-7: Cooling Module LEDs and Cooling Fan Locations
The subsystem has a novel approach to stabilizing the temperature within
the subsystem: When the intelligent sensors on the backplane detect
elevated temperature, such as high ambient temperature or the failure of any
cooling or PSU module, the system will turn the cooling fans to high speed
to extract more heat. Once the ambient temperature cools down to normal or
the failed modules have been replaced, the cooling fans will return to low
speed.
3.3 Audible Alarm
Different controller environmental and operational parameters (like
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 on the subsystem fails. If the A16E-
G2130-4 manager is onsite and hears an alarm, the manager must read the
error message on the PC terminal or RAIDWatch screen to determine what
has triggered the alarm. After determining what has occurred, the A16E-
G2130-4 manager must take appropriate actions to rectify the problem.
WARNING!
If an alarm is triggered it is necessary for you to determine the problem.
If the audible alarm is ignored and the problem is not rectified,
unexpected damages may occur.
Audible Alarm
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