IBM eserver 7210, Руководство по обслуживанию

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Step 1
DANGER
An electrical outlet that is not correctly wired could place hazardous voltage
on metal parts of the system or the products that attach to the system. It is the
customer’s responsibility to ensure that the outlet is correctly wired and
grounded to prevent an electrical shock. (RSFTD201)
This step verifies whether the power and the fan operate properly.
1. Make sure that the 7210 DVD-RAM Drive power cable is plugged into an
electrical outlet.
2. Make sure that the 7210 DVD-RAM Drive power is on by checking that:
v
The power-on light is on.
v
There is airflow from the fan at the rear of the unit.
Is the power-on light on and is there airflow from the fan?
NO
While watching for the power-on light to come on, press the power
switch again. Repeat this procedure several times. If the power-on
light fails to come on or if there is no airflow from the fan, go to
Step 2.
YES Go to Step 7.
Step 2
This step tests the voltage at the electrical outlet.
1. Press the 7210 DVD-RAM Drive power switch to turn off the power.
2.
Unplug the 7210 DVD-RAM Drive power cable from the electrical outlet and
from the 7210 DVD-RAM Drive.
3. Measure the voltage at the electrical outlet.
Is the voltage from the electrical outlet correct?
NO Contact your service personnel for further instructions.
YES Go to Step 3.
Step 3
This step determines whether the power cable is functional.
Make sure that all of the conductors in the power cable have continuity, and that
there are no short circuits.
Does the power cable have continuity and are there no short circuits?
NO Replace the power cable, then go to Step 1.
YES Go to Step 4.
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7210 DVD-RAM Drive Service Guide