RH5885 V3 cpu34_vmse Fails to Be Powered On

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【Problem Description】:

A server cannot be powered on, with the following error message recorded in the SEL.


【Problem Analysis】:

According to maintenance.log, the faulty circuit is CPU34_vmse.


According to the circuit diagram, the circuit is on the mainboard and provides power for CPUs 3 and 4


Replace the mainboard. If the problem persists, check CPUs 3 and 4.

【Solution Description】:

Check the mainboard first and then CPUs 3 and 4. If "CPU12_vmse" is displayed, check the mainboard first and then CPUs 1 and 2.


The hddbkp_vcc error in maintenance.log is a false error.


To determine whether it is a false error, check the drive backplane type. The backplane at the customer site is an 8-bay backplane. If it is a 25-bay backplane, determine the cause of the error.


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