Troubleshooting Procedure
Power Supply Mode Troubleshooting Procedure
Power supply using a power module 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.
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 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 and ask
them to replace the device.
PoE power supply
1. Check whether the power sourcing
equipment supports PoE or is faulty.
2. Check whether the configuration on the
power sourcing equipment causes PoE
power supply errors, such as the PoE
function is disabled or the power-off time
range is incorrectly set.
3. Check whether the network cable or
distribution frame is faulty.
4. If the device still cannot be powered on,
the device itself is faulty. Contact Huawei
technical support engineers or Huawei
agent 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.
Huawei AP3x10xN&5x10xN&5x30xN&6x10xN&7x10xN
Hardware Installation and Maintenance Guide
4 Hardware Failures
Issue 11 (2015-05-18) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
36
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