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Figure 8. Securing the power cord
1. Power cable securing clip
7. Turn on the PSU switch.
NOTE: Allow the enclosure to identify the PSU and determine its status. If the PSU is functioning
properly, the PSU’s Power OK LED glows green and the PSU fault LED and AC fault LED are off.
Replacing fan modules
The Dell Storage MD1280 enclosure supports five fan modules. If one fan module fails, the remaining
modules continue to cool the enclosure.
NOTE: When a fan module fails, the fan speed in the remaining modules increases significantly to
provide adequate cooling. The fan speed decreases gradually when a new fan module is installed.
Identifying the failed fan module
To identify the failed fan module, use the secli component of the Storage Enclosure Management
Software or visually verify which fan module is not functioning properly. For more information on using
the secli to identify failed devices, see the Dell Storage MD1280 Administrator's Guide.
Replacing a fan module
About this task
To replace a failed fan module, complete the following tasks:
Steps
1. Press the red release tab and pull the fan module out of the chassis by using the handle.
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