Troubleshooting And Problem Solving; Overview; Leds; 2U Enclosure Leds - Dell EMC ME4 Series Owner's Manual

These procedures are intended to be used only during initial configuration, for the purpose of verifying that hardware setup is successful.
They are not intended to be used as troubleshooting procedures for configured systems using production data and I/O.
NOTE: For further troubleshooting help after setup, and when data is present, see www.dell.com/support.
Topics:
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Overview

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LEDs

• Temperature sensors
• Troubleshooting 2U enclosures
• Troubleshooting 5U enclosures
• CLI port connections
• Fault isolation methodology
• Host I/O
• Dealing with hardware faults
• Performing updates in MESMafter replacing an FC or SAS HBA
Overview
The enclosure system includes a Storage Enclosure Processor (SEP) and associated monitoring and control logic to enable it to diagnose
problems with the enclosure's power, cooling, and drive systems. Management interfaces allow for provisioning, monitoring, and managing
the storage system.
NOTE: See Fault isolation methodology
LEDs
LED colors are used consistently throughout the enclosure and its components for indicating status:
• Green: good or positive indication
• Blinking green/amber: non-critical condition
• Amber: critical fault
• Blue: Controler/IOM identification

2U enclosure LEDs

PCM LEDs
Under normal conditions, the PCM OK LEDs will be a constant green.
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Troubleshooting and problem solving

Troubleshooting and problem solving
when conducting system diagnostics.
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