PPDMA DM5510 CTL46 Single-bit ECC error

Summary: A Single-bit Error Correcting Code (ECC) error shows the specified Dual inline Memory Module (DIMM) is critically degraded; data loss or corruption may occur. Replace the DIMM immediately; it is part of the controller battery pack. ...

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Symptoms

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.

Cause

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.

Resolution

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.

Affected Products

PowerProtect Data Manager Appliance, PowerProtect Data Manager Appliance DM5510 Software
Article Properties
Article Number: 000404179
Article Type: Solution
Last Modified: 08 يناير 2026
Version:  2
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