4.1 An device Fails to Be Powered On
Fault Description
The SYS indicators of an device is off.
Possible Causes
l
The power switch on the device is turned off.
l
The power cable is not securely connected to the device.
l
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.
Troubleshooting Procedure
1.
Check that the power switch is on.
2.
Check that the power cable is securely connected to the device.
3.
Check whether the power supply is normal.
l
If the device uses a power adapter, replace the power adapter with a normal one. If the
device is powered on, the original power adapter is faulty. Contact Huawei technical
support or Huawei agent through Hotline&Email and ask them to replace the power
adapter.
4.
If the device still cannot be powered on, the device itself is faulty. Contact Huawei technical
support or Huawei agent through Hotline&Email and ask them to replace the device.
4.2 An Optical Interface Cannot Turn Up
Fault Description
After an optical interface is connected to a remote device through an optical fiber, its LINK
indicator is off.
Possible Causes
l
The optical fiber is faulty.
l
The optical module on the optical interface cannot meet the requirements.
Troubleshooting Procedure
1.
Replace the optical fiber and optical module and check whether the optical interface can
turn Up. Ensure that the optical module meets the following requirements.
2.
Determine optical module attributes.
l
The optical module has passed Huawei certification.
l
The transmission speed of the optical module is the same as the interface speed.
Huawei AP8030DN & AP8130DN
Hardware Installation and Maintenance Guide
4 Hardware Failures
Issue 02 (2014-12-05)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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