Replacing a fan module

How to replace a failed fan module.

Before you begin

You must have part 01LK971 available.

About this task

The fan modules are hot-swap modules. When one or more fan modules are not working, replace the fan as soon as possible to avoid overheating. The remaining fans might not be able to maintain the appropriate environmental temperature.

DANGER
Hazardous voltage, current, or energy levels are present inside any component that has this label attached. Do not open any cover or barrier that contains this label. (L001)
DANGER
Rack-mounted devices are not to be used as shelves or work spaces. Do not place objects on top of rack-mounted devices. In addition, do not lean on rack-mounted devices and do not use them to stabilize your body position (for example, when working from a ladder). (L002)
DANGER
Multiple power cords. The product might be equipped with multiple power cords. To remove all hazardous voltages, disconnect all power cords. (L003)

Procedure

  1. Remove the fan module.
    The following figure shows the components that are mentioned.
    Figure 1. Removing a fan module
    Image that shows the removal of a fan module.
    1. Unscrew the two thumbscrews on the fan module until they twist without resistance  A . The fan module thumbscrews are designed to remain attached to the fan module.
    2. Pull the fan module to remove it from the appliance.
  2. Set the faulty module aside.
  3. Unpack the replacement module.
    Attention: Ensure that the gold connectors at the rear of the module do not come into contact with your hands or with the packing material as you unpack the replacement module. Avoid damaging the gold connectors against the appliance as you insert the replacement module.
  4. Carefully align the replacement module, and insert until the module face is flush with the rear panel.
  5. Tighten the thumbscrews on the fan module.

What to do next

Confirm that the new module is working by verifying that the following are true.
  • The fan module LED is not illuminated.
  • The fault LED is not illuminated.

After you verify that the replacement module is working, return the failed part to IBM®.