S002
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.
S014
CAUTION:
Hazardous voltage, current, and energy levels might be present. Only a qualified service technician is
authorized to remove the covers where the label is attached.
S033
CAUTION:
Hazardous energy present. Voltages with hazardous energy might cause heating when shorted with
metal, which might result in spattered metal, burns, or both.
About this task
Attention:
• Read
“Safety inspection checklist” on page iv and “Installation guidelines” on page 41 to ensure that you
work safely.
• Turn off the server and peripheral devices, and disconnect the power cords and all external cables, see
“Power off the server” on page 9.
Watch the procedure
A video of this procedure is available at YouTube:
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
AU3iY3F7lq3qfqr5caGbIu
.
Procedure
Note: Your system might looks slightly different from the illustration below.
Step 1. Remove the two M6 x 16 screws on the front of the rack cabinet.
138 ThinkSystem ST50 V2 Maintenance Manual
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