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KunLun 9008 V5 Alarm Handling 04

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ALM-0x00000019 CPU Temperature Is About to Reach the Maximum (CPU, Minor Alarm)

ALM-0x00000019 CPU Temperature Is About to Reach the Maximum (CPU, Minor Alarm)

Description

Alarm message:

Difference between CPU arg1 temperature and underclocking temperature is arg2 degrees C, lower than the threshold (arg3 degrees C). 

This alarm is generated when the CPU temperature exceeds the threshold.

Alarm object: CPU

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x00000019

Minor

Yes

Parameters

Name

Meaning

arg1

Slot number of the CPU.

arg2

Current reading of the sensor.

arg3

Alarm threshold.

Impact on the System

Overheating causes CPU underclocking, which will affect CPU performance.

Possible Causes

  • A fan module is faulty.
  • The equipment room temperature exceeds the normal range.
  • The air inlet or outlet is blocked.
  • The air duct is not installed.
  • The heat sink is not properly connected to the CPU.
  • A CPU is faulty.

Procedure

  1. Check whether both air inlet and outlet high temperature alarms are generated.

  2. Rectify the fault according to troubleshooting suggestions. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 3.

  3. Power off the server, and check whether the air duct is properly installed in the server.

  4. Install the air duct properly, and power on the server. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 5.

  5. Power off the server, and check whether the CPU heat sink is properly installed.

  6. Install the CPU heat sink properly, and power on the server. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 7.

  7. Power off the server, and apply thermal compound evenly to the top of the CPU. Power on the server, and check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 8.

  8. Replace the faulty CPU. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to Step 9.

  9. Getting Help.
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Updated: 2019-01-08

Document ID: EDOC1100023838

Views: 73854

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