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Forum Discussion

scottonaharley's avatar
Dec 06, 2017
Solved

PSU not detected after upgrade to FW 6.9.1

After upgrading to FW version 6.9.1 from 6.8.x i see log messages that indicate PSU1 not detected and PSU2 not detected.  The unit is populated with 12 4TB drives.  I've attempted to upload the logs ...
  • scottonaharley's avatar
    scottonaharley
    Jan 31, 2018

    This past weekend I was able to shut down the unit, remove the power cords, remove the power supplies, release the drives from each slot and blow out any dust (there was no visible dust inside the unit and while compressed air was blowing there was no visible dust being displaced)  and clean any dirt from the contacts on the back of the power supplies (there was no visible difference after cleaning the contacts.

     

    The unit was reassembled and powered up.  Since 6.9.2 had been downloaded it was installed as the machine rebooted.  

     

    Upon accessing the GUI the power supplies were both shown as installed and functioning.  

     

    While the problem is solved I'm not 100% sure that dirt was the problem and the reappearance of the power supplies could be associated with the extended amount of time the unit was powered down.

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