Common Troubleshooting Procedure - Huawei TP48200A-D17B3 Troubleshooting Manual

TP48200A-D17B3
Troubleshooting Guide
Figure 4-1 Viewing alarm information

4.2 Common Troubleshooting Procedure

Step 1 Identify faults based on LED states.
Step 2 Query fault information by accessing each PMU.
Step 3 Record the LED states and all fault information displayed on the PMUs.
Step 4 Determine the fault sources: the DC, AC, PSU, storage battery, or the monitoring unit.
Step 5 Analyze fault causes based on fault sources by referring to maintenance cases or maintenance
checklists.
Step 6 Rectify the faults.
Step 7 Record the troubleshooting procedure and obtained data.
Step 8 Query the fault information again to ensure that all faults are rectified.
Step 9 Record the troubleshooting results.
Issue 03 (2013-05-06) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd
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