3Com PSE2500-A3 Engineering Maintenance Troubleshooting, Maintenance and Troubleshooting

User Manual	Chapter 5 Engineering
PSE2500-A3 External PoE	Maintenance and
Power System	Troubleshooting

Chapter 5 Engineering Maintenance

and Troubleshooting

5.1 Maintenance and Troubleshooting

This section provides field maintenance and troubleshooting information and procedures for the power system. Before performing the maintenance procedures, review the safety information in Section 3.

Warning:

All procedures described in this section must be performed by qualified maintenance personnel only.

The power devices are repaired by replacement. Contact Hangzhou Huawei-3Com Technology Co., Ltd. for more details.

5.2 LED Indication

Use the following table to determine if there is any problem with PSE2500-A3 power system with a controller.

When visual indicators do not identify a defective part, notify Hangzhou Huawei-3Com Technology Co., Ltd.

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