Replacing a Power Cooling Module in a 2U Enclosure
Exos X 4006, Exos E Series storage systems, and AP Integrated Storage Servers
This document contains the steps in replacing a power cooling module (PCM) for a 2U enclosure. More detailed
information is found in the Hardware Maintenance and Installation Guide (HMIG) for the Exos X 4006 & Exos E series
storage systems, and the AP Integrated Storage Servers. You can find the documents located at
https://www.seagate.com/support/data-storage-systems.
To replace a power cooling module:
1. Retrieve the new PCM in its static-protected container, ready to immediately replace the faulty one.
2. Complete the following actions to remove the faulty PCM:
a. After you complete the proper shut down of the application and when you are ready to power down the
storage enclosure, face the rear of the rack cabinet and switch off the power for the faulty PCM or PSU.
b. Disconnect each power connector from the power distribution unit (PDU).
c. Release the PCM power cord from its secure tie, and then disconnect the power cord from the PCM connector.
d. Release and pivot the latch of each PCM to the open position.
e. Use one hand to support the weight of the PCM and the other to gently withdraw the PCM.
f. Temporarily store the PCM in a static-protected environment.
3. Complete the following actions to install a tested good PCM:
a. Orient the new PCM with the open latch to the outside of the chassis opening.
Power cooling module Removal
Replacement power cooling module
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