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## Locate a Faulty Processor Module

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

- Front and rear System Fault (Service Required) LEDs

- Service Required LED on the faulty processor module

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

   See Interpreting Diagnostic LEDs.

2. From the front of the server, check the processor module LEDs to identify which processor module needs to be replaced.

   See Processor Module LEDs. The amber Service Required LED will be lit on the processor module that needs to be replaced.

3. Remove the faulty processor module.

   See Remove a Processor Module.

##### Related Information

- Processor Module Overview

- Processor Module LEDs

- Remove a Processor Module

- Install a Processor Module

- Verify Processor Module Functionality

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