DCU FAILURE FAULT

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The update mechanism for the Dual Port RAM from the Drive Control Unit (DCU) is unreliable. This condition necessitates the replacement of the Drive Control PCB (A1) and will shut down the DSD 412 drive. A power down is required.

• Unreliable or intermittent updates from the Drive Control Unit (DCU) to the Dual Port RAM.
• A faulty Drive Control PCB (A1).

Klikk på steg for å spore fremgangen.

1. 1

   Perform a DSD 412 power down sequence.

2. 2

   Replace the Drive Control PCB (A1).