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Internal System Fan Replacement
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Internal System Fan Replacement

Owned by Aliaksei Shautsou (Deactivated)
Last updated: Jun 20, 2017 by Olga Nekrutkina

System fans are field-replaceable units. Should a CPU fan assembly fail, an alarm will be raised by the system. No tools are necessary for fan replacement in either Rev-1 or Rev-2 Infoblox-4010 or Network Insight ND-4000 appliances.

Note: The IB-4010 appliance reports all system fans, numbered 1 through 6, as individual units, and each fan may be individually replaced as needed. Each fan is numerically labeled inside the chassis.

System fans are hot-swappable; they can be replaced while the system is on. Infoblox recommends that the system be switched off before replacing a fan unit. To replace a processor fan assembly, do the following:

  1. Perform a full system shutdown.
  2. Unplug all power cables from the system.
  3. Extend or remove the Infoblox appliance from the rack.
  4. Remove the star screwdriver from the back of the system, and then unscrew the latch (on the top rear of the unit) and gently pull latch to remove the top panel, as shown in Figure 26 and Figure 27.


Figure 26 Gently pull latch to remove top panel for Infoblox-4010 Rev-1

 

Figure 27 Gently pull latch to remove top panel for Infoblox-4010 Rev-2/Network Insight ND-4000


 

5. Slide the top panel off and visually inspect the fans to determine which unit has stopped spinning and must be replaced.

6. Figure 28 shows a six-fan-module configuration on the Rev-1 appliance, and Figure 29 shows a a four-fan-module configuration on a Rev-2 appliance. The system fans can be removed from their installation base and replaced. A pair of small handles reside on the top of each fan module, which you grasp with fingertips when pulling the unit out of the system. Pay attention to unit alignment and placement before removing from the system.


Figure 28 System fan assembly for Rev-1; pull gently on top of the failed fan unit. Each unit is numbered.
 



Figure 29 System fan assembly for Rev-2; pull gently on top of the failed fan unit. Each unit is numbered.
 

7. Place the new fan in the system. Note that the fans can be installed correctly in only one direction, as shown in Figure 30 and Figure 31.


Figure 30 Fan blades point towards rear of chassis for Infoblox-4010 Rev-1
 



 

Figure 31 Fan blades point towards rear of chassis for Infoblox-4010 Rev-2/Network Insight ND-4000



8. Replace the top lid of the system and replace it in the rack before restoring power.