Front Fan Module Replacement

Front Fan Module Replacement Overview

This is a high-level overview of the steps needed to replace the front fan modules.
  1. Identify the failed front fan module through the BMC and submit a service ticket to NVIDIA Enterprise Support.
  2. Get a replacement from NVIDIA Enterprise Support.
  3. Remove the failed fan module using the fan numbering diagram as a reference.
  4. Insert the new fan module.
  5. Confirm the new fan module is working correctly through the BMC or NVSM.nvsm show health
  6. Return the bad fan module using the packaging from the new fan module.

Identifying the Failed Fan Module

  1. Log on to the BMC.
  2. Click Sensor from the left navigation menu, then review the Normal Sensors section.

    There are two fans in the fan module, identified by FANn_F or FANn_R , wheren is the module ID. If either fan fails, then the entire module must be replaced.
  3. Use NVSM to confirm the fan issue.
    $ sudo nvsm show health
    In the output, look for the 'unhealthy' status for the same fan.

Replacing and Returning the Front Fan Module

  1. Remove the new fan module from its packaging and be ready to install it.
  2. Locate the failed fan module on the physical system using the following diagram.

  3. Remove the failed front fan module by pressing on the tab and pulling on the handle.

  4. Quickly insert the new fan module, observing that the handle release mechanism is facing up and the rear connector is facing down.
    Replace the fan module within 30 seconds to prevent overheating of the system components.
  5. Confirm that the fan module is working properly by verifying on the BMC and by using NVSM (nvsm show health) to confirm the replaced fan is healthy.
  6. Use packaging to pack up the bad fan and follow the shipping instructions to return the bad fan to NVIDIA Enterprise Support