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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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Slot: Soft-Start Circuit MOSFET Overtemperature (Minor, Mos Temp Hot)

Slot: Soft-Start Circuit MOSFET Overtemperature (Minor, Mos Temp Hot)

Description

Alarm message:

Transition to Non-Critical from OK

or

Soft-start circuit MOS FET temperature is too high at detection point arg1.

This alarm is generated when a MOSFET temperature detection point of the soft-start circuit detects overtemperature for the third time.

This alarm is generated by the following sensor:

Mos Temp Hot

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x0741FF01

Minor

Yes

Parameters

Name

Meaning

arg1

Number of the MOSFET temperature detection point.

Impact on the System

MOSFET overtemperature of the soft-start circuit on a board may cause the board to power off and interrupt services.

Possible Causes

  • The soft-start circuit of the board is faulty.
  • A fan module is faulty.
  • The ambient temperature is higher than 30°C (86°F).
  • The air intake vent is blocked.
  • The air exhaust vent is blocked.
  • The mainboard is faulty.

Procedure

  1. Check whether there are fan module alarms.

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

  2. Replace the faulty fan or fan module. After 5 minutes, check whether the alarm is cleared.

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

  3. Check whether the equipment room temperature exceeds the normal range.

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

  4. Reduce the equipment room temperature to the normal range. After 5 minutes, check whether the alarm is cleared.

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

  5. Check whether the air inlet or outlet of the server is blocked.

    • If yes, go to 6.
    • If no, go to 9.

  6. Clear the blockage. After 5 minutes, check whether the alarm is cleared.

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

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

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

  8. 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 9.

  9. Replace the mainboard. After the server is powered on, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 10.

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

Document ID: EDOC1000015902

Views: 192502

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