Determine Which Power Supply Is Faulty; Remove A Power Supply - Oracle SPARC T7-2 Service Manual

Determine Which Power Supply Is Faulty

Check if the following LEDs are lit when a power supply fault is detected.
Service Required LEDs on the front and rear panels.
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Rear PS Fault LED on the front panel.
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Service Required LED on the faulted power supply.
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Related Information
"Power Supply LEDs" on page 85
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"Front Panel Components (Service)" on page 13
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"Rear Panel Components (Service)" on page 15
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"Remove a Power Supply" on page 87
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Remove a Power Supply

This is a hot-service procedure that can be performed by a customer while the server is running.
Hazardous voltages are present. To reduce the risk of electric shock and danger to
Caution -
personal health, follow the instructions.
If a power supply fails and you do not have a replacement available, to ensure proper
Caution -
airflow, leave the failed power supply installed in the server until you replace it with a new
power supply.
1. Prepare for servicing.
See "Preparing for Service" on page
If necessary, release the CMA to access the power supplies. Do not allow the CMA to hang
unsupported while it is unattached.
Disconnect the power cord from the power supply that displays an amber lit
2.
Service Action Required LED.
3. Press down on the release latch to open the ejector arm.
4. Slide the power supply out of the chassis.
Determine Which Power Supply Is Faulty
47.
Servicing Power Supplies 87