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SPARC T7-2 Server Service Manual

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Updated: July 2019

SPARC T7-2 Server Service Manual

Document Information

Using This Documentation

Identifying Components

Detecting and Managing Faults

Preparing for Service

Servicing Drives

Servicing Fan Modules

Servicing Power Supplies

Power Supply LEDs

Determine Which Power Supply Is Faulty

Remove a Power Supply

Install a Power Supply

Verify a Power Supply

Servicing Memory Risers and DIMMs

Servicing the DVD Drive

Servicing the Battery

Servicing the eUSB Drive

Servicing PCIe Cards

Servicing the SPM

Servicing the Fan Board

Servicing the Motherboard

Servicing the Drive Backplane

Servicing the PS Backplane

Returning the Server to Operation

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Power Supply LEDs

Each power supply has LEDs that indicate its state.

image:Graphic showing the power supply LEDs.

No.	LED	Symbol	Color	Status When Lit
1	Service Action Required		Amber	The power supply is faulty. Service is required.
2	OK		Green	Both DC outputs (3.3V standby and 12V main) are active and within regulation.
3	AC Present		Green	AC voltage is applied to the power supply.

Note - The front and rear panel Service Action Required LEDs are also lit when the server detects a power supply fault. See Front Panel Components (Service) and Rear Panel Components (Service).

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