PowerProtect One DM5510 CTL46 Single-bit ECC error

Alert Indicating Memory Degradation

The system reports the following alert:

PPDMA DM5510 alert CTL46 Single-bit ECC error. The  DIMM is critically degraded.

• Single‑bit ECC error detected.
• Specified DIMM is marked as critically degraded.

DIMM Malfunctions Leading to Single‑Bit ECC Error.

The PPDMA DM5510 CTL46 Single‑bit ECC error The DIMM is critically degraded alert indicates a hardware fault in the specified DIMM.

• Physical or electrical DIMM failure.
• Single‑bit ECC error generated by the faulty DIMM, marking it as critically degraded.
• The DIMM is part of the controller battery pack, integrating it with controller functions.
• Malfunction creates a risk of data loss or data corruption.

Replace the DIMM immediately to avoid data loss or data corruption.

• The DIMM is a part of the controller battery pack.
• Refer to the storage hardware documentation for information about replacing the DIMM.

To gather a log bundle, follow the directions in this KB article: PowerProtect Data Manager Appliance DM5500: How to Collect an Administrative Log Bundle

Contact Dell Support:  If the issue persists, contact Dell Customer Support using the contact method described in your product documentation. Provide the serial number, error code (CLT46), and log bundle for faster assistance.