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10. Check the battery indicator lights, as shown in Figure 37.
Figure 37. Battery CRU indicator lights
11. After your battery has completed the self test, reset the battery installation date
Storage server fan
The storage server fan is a single, removable unit containing two cooling fans and
temperature monitoring circuitry. The storage server fan plugs directly into a slot on
the front of the FAStT700 Storage Server, to the left of the controllers (see
Figure 39 on page 45). Five indicator lights provide overall system status
information (see Figure 40 on page 46). The dual fans in the storage server fan unit
provide a redundant cooling system to both controller CRUs. If one fan fails, the
other continues to operate, providing sufficient air circulation to prevent the
controllers from overheating until you can replace the entire storage server fan.
To prevent cooling problems, the FAStT700 Storage Server must have proper air
circulation throughout the chassis. Cooling problems include any malfunctions or
obstructions that impede air flow and cause one or more components in the
FAStT700 Storage Server to overheat. Make sure that the ambient air temperature
around the FAStT700 Storage Server is within the environmental requirements. To
boost air circulation, the FAStT700 Storage Server chassis has air vents along its
top and sides. These vents serve as air intake and exhaust passages. Always keep
vents clean and free of obstructions (Refer to the IBM FAStT700 Fibre Channel
Storage Server Installation Guide for operating specifications).
Figure 38 on page 44 shows the FAStT700 Storage Server air flow. Make sure your
installation site allows adequate ventilation to the FAStT700 Storage Server during
operation.
Fault-B
Amber light indicates a fault in
the left battery bank.
Normal status: Off
Problem status: On
Full Charge-B
Green light indicates the left
battery bank is fully charged.
Normal status: On
Problem status: Off
Charging status: Blinking
Note: If the Full Charge-A and the Full Charge-B indicator lights are blinking,
the battery is in the process of charging.
using the storage-management software. The software continues to issue
battery-related errors if the installation date is not reset.
Chapter 3. Replacing FAStT700 Storage Server components
Full Charge-A
Green light indicates the right
battery bank is fully charged.
Normal status: On
Problem status: Off
Charging status: Blinking
Fault-A
Amber light indicates a fault
in the right battery bank.
Normal status: Off
Problem status: On
43
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