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HP Workstation b2600 - Replacing the Fan Modules

Removing the fan modules
The HP Workstation has B2600 two fan modules to keep it cool. There is a fan module located in the system area and one in the PCI area. See Figure 1. This document explains how to remove these fan modules.
Note that fan errors will be displayed on the LCD if the fans are running too slow or stopped. The fan error for a stopped fan is D01n and the fan error for a slow fan is D02n where n is the number of the fan with the error.
Fan number
Description
1
Power supply fan
2
Right system area fan (as you face the system's front)
3
Left system area fan (as you face the system's front)
5
Left PCI area fan (as you face the system's front)
6
Right PCI area fan (as you face the system's front)
7
CPU's turbo-cooler heatsink
    Figure : System and PCI fan areas
  1. PCI area
  2. System area
  3. CPU turbo-cooler heatsink
Removing system area fan module
To remove the fan module from the system area, follow this procedure:
  1. Remove the front bezel and top cover.
  2. Remove the liquid crystal display.
  3. Unscrew the two LCD connector screws and remove the LCD connector from its opening in the chassis. See Figure 2.
      Figure : Removing the LCD connector
    1. LCD connector screws
    2. LCD connector
  4. Disconnect the two fan-module power cables in the system area from the system board. See Figure 3.
      Figure : Disconnecting the fan module power cables for the system area
    1. System area
    2. System board
    3. Fan-module power cables
    4. Fan module
  5. Remove the fan module mounting screw. See Figure 4.
      Figure : Removing the fan module mounting screw
    1. Fan module mounting screw
  6. Remove the fan module from the workstation by tilting it back away from the workstation chassis and lifting it out of the three fan-module slots on the front part of the workstation's chassis. See Figure 5.
      Figure : Removing the system area fan module
    1. Fan module mounting tabs
    2. Fan module tab slots
    3. Fan module mounting tab
    4. Fan module
Removing PCI area fan module
To remove the fan module in the PCI area, follow this procedure:
  1. Remove the front bezel and top cover.
  2. Remove the CD drive.
  3. Remove the DAT drive.
  4. Remove the flexible disk drive.
  5. Disconnect the two fan-module power cables from the system board by pressing in on the latch retainer of each connector and pulling outward on the connector. See Figure 6.
      Figure : Disconnecting the fan module power cables
    1. Fan module
    2. Fan module power cables and connectors
    3. PCI cage area
    4. System board
  6. Remove the fan module mounting screw for the PCI area. See Figure 7.
      Figure : Remove the fan module mounting screw for the PCI area
    1. Fan module mounting screw
  7. Remove the fan module from the workstation by tilting it back away from the workstation chassis and lifting it out of the three fan module slots on the front part of the workstation chassis. See Figure 8.
      Figure : Removing the PCI area fan module
    1. Fan module tabs
    2. Fan module slots
    3. Fan module
    4. PCI area

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