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4-18 SPARC Enterprise M8000/M9000 Servers Service Manual • June 2010
4.4 Cold Replacement
In cold replacement all business operations are stopped. Cold replacement is the act
of powering off the server and disconnecting input power. This is normally required
for safety when the inside of the server is accessed. The work of cold replacement
consists of the following three steps:
■ Section 4.4.1, “Powering the Server Off” on page 4-18
■ Section 4.4.2, “Powering the Server On” on page 4-19
■ Section 4.4.3, “Confirming the Hardware” on page 4-20
4.4.1 Powering the Server Off
Two power-off procedures are available.
From the Operator Panel
Follow the power-off procedure below.
1. Confirm that the mode switch on the operator panel is set to the Service
position.
2. Confirm that the POWER LED and CHECK LED on the operator panel are lit
and the XSCF LED on the operator panel is off.
3. When the XSCF LED is lit, see Section 2.7, “LED Error Display” on page 2-30 to
identify the cause and give preference to these functions.
4. Press and hold down the POWER switch on the operator panel for at least four
seconds.
5. Check the POWER LED. When it turns off, the power-off procedure is
completed.
If the state of any of the LEDs is different from the above, see Section 2.7, “LED
Error Display” on page 2-30
From the Maintenance Terminal
Follow the power-off procedure below using the XSCF maintenance functions.
1. Notify users that the server is going down.