PCU RESET

What does 409 mean?

The PCU processor was unexpectedly reset. This can be due to improper PCU connections, incorrect software, hardware issues with the main circuit card, or external noise interference. If the problem persists, the Drive Control PCB may need replacement.

• Improper PCU connections.
• Incorrect PCU software and revision level being used.
• Possible problem with the main circuit card hardware.
• External noise interference.

Click steps to track your progress.

1. 1

   Verify that PCU connections are proper and correct as necessary.

2. 2

   Ensure that the correct PCU software and revision level is being used.

3. 3

   Look for and eliminate external noise interference.

4. 4

   Ensure that equipment and signal grounding connections are proper.

5. 5

   If the problem remains, replace the Drive Control PCB.