Huawei AP7052DN User Manual

AP7052DN&AP7152DN
Hardware Installation and Maintenance Guide
4 Hardware Failures
Issue 01 (2017-12-29)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
32
4 Hardware Failures
About This Chapter
This section describes common methods for troubleshooting typical hardware faults.
4.1 A Device Fails to Be Powered On
4.1 A Device Fails to Be Powered On
Fault Description
The indicator of a device is off.
Possible Causes
Power Supply Mode
Possible Cause
Power supply using a power module

The device is powered off.

The power cable is not securely
connected to the device.

The power supply unit has failed.
− If the device connects to an external
power source, its power adapter may
fail.
− If the device has a built-in power
supply, the device itself may be
faulty.
PoE power supply

The power sourcing equipment does not
support the PoE function or is faulty.

The power sourcing equipment does not
support the required power supply mode.

The power sourcing equipment does not
provide sufficient power.

The power sourcing equipment is
incorrectly configured (the PoE function

Huawei AP7052DN Specifications

General

Brand	Huawei
Model	AP7052DN
Category	Wireless Access Point
Language	English