DCU FAILURE FAULT

What does 906 mean?

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).

Click steps to track your progress.

1. 1

   Perform a DSD 412 power down sequence.

2. 2

   Replace the Drive Control PCB (A1).