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E9000 Server V100R001 HMM Alarm Handling 19

This document describes E9000 server alarms in terms of the meaning, impact on the system, possible causes, and solutions.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Swi: Overtemperature (Minor, Inlet Temp/Inlet TempN)

Swi: Overtemperature (Minor, Inlet Temp/Inlet TempN)

Description

Alarm message:

Temperature above minor threshold

or

The air inlet temperature (arg1 degrees C) exceeds the overtemperature threshold (arg2 degrees C).

This alarm is generated when the temperature of the switch module exceeds the minor threshold. This alarm is cleared when the temperature is within the normal range.

This alarm is generated by the following sensors:

  • Inlet Temp
  • Inlet TempN

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x0147FF01

Minor

Yes

Parameters

Name

Meaning

N

Slot number of the sensor.

arg1

Current reading of the sensor.

arg2

Alarm threshold.

Impact on the System

The components of the device are damaged and the mainboard is burnt, which causes unrecoverable damage to the system hardware. In general, the system automatically increases the fan speed to reduce the temperature, and then the alarm is cleared automatically. If the alarm persists, certain problems may exist in the system, which causes the system temperature to increase, and even causes severer alarms to be generated. Therefore, after a temperature alarm is generated, locate the problems as soon as possible to prevent the problems from becoming worse.

Possible Causes

  • A fan module is faulty.
  • The fan module is not installed.
  • The equipment room temperature exceeds the normal range.
  • The air inlet or outlet is blocked.
  • Idle slots or spaces are not installed with filler panels.
  • The switch module is faulty.

Procedure

  1. Check whether the fan fault alarm is generated.

    • If yes, go to 2.
    • If no, go to 3.

  2. Clear the fan fault alarm. Then check whether the alarm is cleared.

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

  3. Check whether all fans are properly installed.

    • If yes, go to 5.
    • If no, go to 4.

  4. Install fans in spare slots properly. Then check whether the alarm is cleared.

    For details about how to install the fans, see the E9000 Server User Guide.
    • If yes, no further action is required.
    • If no, go to 5.

  5. Check whether the ambient temperature is higher than 40°C (104°F).

    • If yes, go to 6.
    • If no, go to 7.

  6. Reduce the ambient temperature in the equipment room by using air conditioners and fans (for example, turn down the air conditioners and increase the fan speed. When the air conditioners cannot work properly, open doors and windows for ventilation) Then check whether the alarm is cleared.

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

  7. Check whether the air intake vent or air exhaust vent is blocked.

    • If yes, go to 8.
    • If no, go to 9.

  8. Remove the barriers. Then check whether the alarm is cleared.

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

  9. Check whether the filler panels are inserted into the idle slots or spaces of the chassis.

    • If yes, go to 11.
    • If no, go to 10.

  10. Insert a filler pane into each vacant slot. Then check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 11.

  11. Replace the switch module. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 12.

  12. On the HMM WebUI, choose System Management > Information Collection, and collect logs.
  13. Contact Huawei technical support.
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Updated: 2018-08-16

Document ID: EDOC1000015902

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