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4 Using
Figure 25
controller unit.
Captive screws
Figure 25. Removing and installing a fan and communications module
a Using a flat-blade screwdriver, loosen the three captive screws on the fan and
communications module.
b Use the pull handle to slide the module out of the slot a few inches.
c Grasp the sides of the module with both hands and remove it from the controller
unit.
5 Install the new fan and communications module.
Push the new fan and communications module all the way into its chassis slot. Use a
flat-blade screwdriver to tighten the three captive screws on the new module, securing
it into place.
6 Check the fan and communications indicator light (see
• If the amber fault indicator light is on, make sure that the fan and communications
module is inserted all the way into the chassis and secured in place.
• If the fault indicator light remains on, one or both fans inside the fan and
communications module might be malfunctioning. Replace the failed fan and
communications module with a spare, if available. If not, shut down the controller
unit until you can replace the failed fan and communications module with a new
one.
7 Reconnect the interface cables that you disconnected in
fan and communications module.
44
IBM Netfinity FAStT500 RAID Controller Enclosure Unit User's Reference
as a guide, remove the failed fan and communications CRU from the
Figure 24 on page
43).
Step 3 on page
43, to the new
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