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Controller firmware download failed

Last Updated:

Applies to

  • E-Series


When attempting to upgrade controller firmware, the following message appears in the MEL on only one controller:

5025 Controller firmware download failed - Tray 99, Slot A  or 5025 Controller firmware download failed - Tray 99, Slot B

B:2/2/22, 1:14:50 PM (13:14:50) 331 5025 Controller firmware download failed - Shelf 99, Bay B
B:2/2/22, 1:14:44 PM (13:14:44) 330 5009 Controller firmware download started - Shelf 99, Bay B - ( ->



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