3 Engineers' Must-Read
About This Chapter
Engineers are required to have certain maintenance knowledge and troubleshooting skills. This
topic describes the knowledge related to device maintenance and common methods used in
troubleshooting faults.
3.1 Engineer Skill Requirements
Engineers need to possess troubleshooting skills so that they can troubleshoot faults successfully.
3.2 Troubleshooting Precautions
Before locating and troubleshooting faults, carefully read and strictly abide by the following
precautions.
3.3 Precautions for Replacing a Part
To ensure normal service running, read the following precautions carefully before replacing a
part.
3.4 Troubleshooting Procedure
Maintenance engineers must be clear about the troubleshooting procedure of carriers, especially
their procedure for handling emergencies. This topic describes a general troubleshooting
procedure. In practice, however, customize and apply the troubleshooting procedure based on
carriers' requirements.
3.5 Frequently Used Methods for Troubleshooting
There are various of methods for fault location. In fault location, different methods are used
together. Therefore, mastering and using these methods are important for improving the
efficiency of troubleshooting.
3.6 Contacting Huawei for Assistance
If the fault persists even after the troubleshooting measures described in this document have
been taken, contact Huawei for assistance (Huawei engineers will provide guidance remotely
or on site on troubleshooting).
SmartAX MA5612 Multi-service Access Module
Maintenance Guide 3 Engineers' Must-Read
Issue 01 (2012-07-25) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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