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5
CAUTION:
The Power Control button on the device and the power switch on the power supply
do not turn off the electrical current supplied to the device. The device also might
have more than one power cord. To remove all electrical current from the device,
ensure that all power cords are disconnected from the power source
2 Turn off the power switch and unplug the power cord from the failed power supply (see
Figure 26 on page
8
CAUTION:
Never remove the cover on a power supply or any part that has the following label
attached.
Hazardous voltage, current, and energy levels are present inside any component that
has this label attached. There are no serviceable parts inside these components. If
you suspect a problem with one of these parts, contact a service technician.
3 Using
Figure 27 on page 48
Using the pull handle, lift up and pull out to release the power supply; then, slide it out.
46).
as a guide, remove the failed power supply.
Chapter 3. Replacing controller unit components
47
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