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## Locate a Faulty Fan Module

The following LEDs are lit when a fan module fault is detected:

- System Service Required LEDs on the front panel and rear I/O module

- Server Fan Fail LED on the front panel

- Service Required LED on the faulty fan module

1. Determine if the System Service Required LEDs are lit on the front panel or the rear I/O module.

   See Interpreting Diagnostic LEDs.

2. Determine if the Server Fan Fail LED on the front panel is lit.

   See Front Panel System Controls and LEDs.

3. From the rear of the server, check the fan module LEDs to identify which fan module needs to be replaced.

   See Fan Module LED. The amber Service Required LED will be lit on the fan module that needs to be replaced.

4. Remove the faulty processor module.

   See Remove a Fan Module.

##### Related Information

- Fan Module Overview

- Fan Module Configuration Reference

- Fan Module LED

- Remove a Fan Module

- Install a Fan Module

- Verify Fan Module Functionality

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