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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: Low Voltage in Mainboard RTC Battery (Major, RTC Battery)

Slot: Low Voltage in Mainboard RTC Battery (Major, RTC Battery)

Description

Alarm message:

Battery low

or

Low voltage of RTC battery on the mainboard.

This alarm is generated when the real-time clock (RTC) battery on the mainboard fails or the RTC battery voltage is low.

This alarm is generated by the following sensors:

RTC Battery

Attribute

Alarm ID

Alarm Severity

Auto Clear

0x2900FFFF

Major

Yes

Impact on the System

The real-time clock (RTC) battery failure causes loss of data saved on the complementary metal-oxide-semiconductor (CMOS) and a system configuration error. The system operates abnormally.

Possible Causes

The battery on the mainboard is not installed or is low in power.

Procedure

  1. Check whether the RTC battery is correctly installed..

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

  2. Install the RTC battery. Then, check whether the alarm is cleared.

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

  3. Replace the RTC battery. Then, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 4.

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

Document ID: EDOC1000015902

Views: 193419

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