233-DIMM Initialization Error – Processor X Channel Y

Symptom

233-DIMM Initialization Error – Processor X Channel Y. The identified memory channel could not be properly trained and has been mapped out. (Major Code: A, Minor Code: B).

Cause

One or more DIMMs failed to initialize properly and has been disabled by the memory initialization code.

CAUTION:
Failure to properly handle DIMMs can damage the DIMM components and the system board connector. For more information, see the DIMM handling guidelines in the troubleshooting guide for your product on the Hewlett Packard Enterprise website:
Action
  1. Remove and then reinstall the DIMMs in the specified channel.
    For more information, see the server maintenance and service guide for your product on the Hewlett Packard Enterprise website:
  2. Inspect the DIMM sockets and system board for bent pins or damaged traces.
  3. If the issue persists, update the System ROM.
    For more information, see the following topic in the troubleshooting guide for your product on the Hewlett Packard Enterprise website:
  4. If the issue persists, open a support case using the Hewlett Packard Enterprise Support Center website (https://www.hpe.com/support/hpesc).