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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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OUT1TEMP_SENSOR_FAIL

OUT1TEMP_SENSOR_FAIL

Description

The OUT1TEMP_SENSOR_FAIL alarm indicates that the temperature sensor at the air outlet fails.

Attribute

Alarm Severity Alarm Type

Major

Equipment alarm

Parameters

None.

Impact on the System

The equipment cannot collect the temperature data of the air outlet on the TCU.

Possible Causes

Possible causes of the OUT1TEMP_SENSOR_FAIL alarm are as follows:

  • The outlet temperature sensor is not installed.
  • The outlet temperature sensor is incorrectly connected.
  • The outlet temperature sensor is faulty.
  • The control board in the cabinet is faulty.

Procedure

  1. Check whether the outlet temperature sensor is installed.

    If... Then...

    The outlet temperature sensor is not installed

    Install the outlet temperature sensor correctly. Check whether the alarm is cleared. If the alarm persists, go to the next step.

    The outlet temperature sensor is installed

    Go to the next step.

  2. Check whether the outlet temperature sensor is correctly connected and whether the cable connected to the sensor is intact.

    If... Then...

    The outlet temperature sensor is incorrectly connected

    Connect the temperature sensor correctly. Check whether the alarm is cleared. If the alarm persists, go to the next step.

    The cable is damaged

    Replace the cable with a correct one. Check whether the alarm is cleared. If the alarm persists, go to the next step.

    The outlet temperature sensor is correctly connected and the cable is intact

    Go to the next step.

  3. Replace the outlet temperature sensor and check whether the alarm is cleared.

    If... Then...

    The alarm persists

    Replace the cabinet and the alarm is cleared automatically.

    The alarm is cleared

    No further action is required.

Related Information

None.

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Updated: 2019-01-21

Document ID: EDOC1100020975

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