Replacing An E-Ddm - IBM System Storage DS5020 Installation, User's, And Maintenance Manual

3. Repeat step 1 on page 45 and step 2 on page 45 to replace the second power

Replacing an E-DDM

Complete the following steps to replace the hot-swap E-DDMs that you removed
before the installation.
Attention:
reseating the E-DDM CRU to allow the E-DDM to properly spin down. Failure to do
so might cause undesired events.
Note: Use Table 26 on page 174 to verify the proper replacement locations of your
1. Lift up on the handle and gently push the E-DDM CRU into the empty bay until
Latch
Figure 23. Replacing an E-DDM
2. Push the tray handle down until the latch clicks into place.
3. Repeat step 1 and step 2 to replace additional E-DDMs.
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IBM System Storage DS5020 Storage Subsystem: Installation, User's, and Maintenance Guide
along the sides of the power supply and fan unit bay. After the guide pins fit into
the notches and power supply and fan unit fits snugly into the slot, push the
lever upward or downward 90° depending on whether the power supply fan is
inserted in the left or right bay to fully latch it into place. Push the front of the
power supply and fan unit in gently to make sure that it is fully seated.
supply and fan unit.
After you remove an E-DDM CRU, wait 70 seconds before replacing or
E-DDMs.
the hinge of the tray handle latches beneath the storage subsystem bezel, as
shown in Figure 23.