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If you have other devices to install or remove, do so now. Otherwise, go to "Completing the installation" on
page 85.
Removing and replacing Tier 2 CRUs
You may install a Tier 2 CRU yourself or request Lenovo to install it, at no additional charge, under the type of
warranty service that is designated for your server.
The illustrations in this document might differ slightly from your hardware.
Removing the power paddle card
Use this information to remove the power paddle card.
To remove the power paddle card, complete the following steps:
Step 1.
Read the safety information that begins in "Safety" on page v and "Installation guidelines" on page
169.
Step 2.
Turn off the server (see "Turning off the server" on page 24) and all attached peripheral devices.
Disconnect all power cords; then, disconnect all external cables from the server.
Step 3.
Carefully turn the server on its side so that it is lying flat, with the cover facing up.
Attention: Do not allow the server to fall over.
Step 4.
Unlock and remove the left-side cover (see "Removing the left-side cover" on page 193).
Step 5.
Remove the air baffle (see "Removing the air baffle" on page 195).
Step 6.
Remove the fan assembly (see "Removing the fan assembly" on page 267).
Step 7.
Remove the redundant power supply slightly out of the server to disconnect it from the power
paddle card.
Step 8.
Disconnect the power SMbus cable and power cables from the connectors on the system board.
Disengage the cables from any cable clips.
Step 9.
If a RAID adapter battery is installed on the chassis, disconnect the power cable from the
ServeRAID adapter.
Step 10. Loosen the screws of the hot-swap power supply cage showed as step 1 in the following
illustration.
Step 11. Remove the redundant power supply cage cover showed as step 2 in the following illustration.
Step 12. Remove the power paddle card out of the redundant power supply cage showed as step 3 in the
following illustration.
Attention: Make sure that the cage cover have been released from the tabs of the redundant
power supply cage showed as the zoom-in area in the illustration.
270
System x3300 M4 Installation and Service Guide
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Table of Contents
Troubleshooting
