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Alarm Handling

AR100, AR120, AR160, AR1200, AR2200, AR3200, and AR3600 V300R003

This document provides the trap description, attributes, parameters, impact on the system, possible causes, procedures, and references. This document provides a complete set of traps, through which intended readers are kept of the running status of the device so as to locate faults.

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ENTITYTRAP_1. hwFanInvalid

ENTITYTRAP_1. hwFanInvalid


ENTITYTRAP/4/FANINVALID:OID [OID] Fan is invalid.(Index=[INT1], EntityPhysicalIndex=[INT2], PhysicalName="[OCTET]", EntityTrapFaultID=[INT3])

The alarm is generated when fans become faulty.


Alarm ID Alarm Severity Alarm Type Warning equipmentAlarm (5)


Name Meaning

Indicates the MIB object ID of the alarm.

Resource ID Indicates the resource ID of an entity.
Entity physical index Indicates the sub-index of an entity.
Physical name Indicates the name of an entity.
EntityTrapFaultID Indicates the error code of the alarm.

Impact on the System

The temperature of boards becomes high.

Possible Causes

Fans are faulty. For example, fans stop rotating.


  • Run the display fan command to check the fan status. Check whether the fan tray is registered and the fan speed is zero.

    • If the fan tray is not registered, remove and install the fan tray.
    • If the fan speed is zero, replace the fan.
    If the fault persists, contact technical support personnel.

Updated: 2019-03-06

Document ID: EDOC1100041475

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