Remove A Power Supply - Oracle SPARC S7-2 Service Manual

Remove a Power Supply

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Related Information
"Remove a Power Supply" on page 70
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"Install a Power Supply" on page 72
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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.
Caution -
personal health, follow the instructions.
Caution -
airflow, leave the failed power supply installed in the server until you replace it with a new
power supply.
1. Identify which power supply requires replacement.
Locate the power supply with the lit amber Service Required LED.
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You can also use the Oracle ILOM show faulty command at the Oracle ILOM
command line prompt (->) to identify a power supply failure.
2. Gain access to the rear of the server where the faulty power supply is located.
If the CMA is installed, disconnect both CMA left-side connectors and move the
3.
CMA out of the way.
70 SPARC S7-2 Server Service Manual • March 2017
Status Icon
Indicator
Name
AC OK/DC
OK
Service
Required
Hazardous voltages are present. To reduce the risk of electric shock and danger to
If a power supply fails and you do not have a replacement available, to ensure proper
Color State Meaning
■ Off – No AC power is present.
Green
■ Slow blink – Normal operating. Input power is within
specification. DC output voltage is not enabled.
■ Steady on – Normal operation. Input AC power and DC
output voltage are within specification.
Amber ■ Off – Normal operation; no service required.
■ Steady on– The power supply (PS) has detected a PS fan
failure, PS overtemperature, PS over current, or PS over/
under voltage.