Chapter 39 Troubleshooting; Overview; General - ZyXEL Communications NXC5200 User Manual

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H A P T E R

39.1 Overview

This chapter offers some suggestions to solve problems you might encounter.

39.1.1 General

This section provides a broad range of troubleshooting tips for your device.
None of the LEDs turn on.
Make sure that you have the power cord connected to the NXC and plugged in to
an appropriate power source. Make sure that you have both power cords
connected to the NXC and plugged into appropriate power sources. Make sure you
have both of the NXC's power switches turned on. Make sure you have the NXC
turned on. Check all cable connections.
If the LEDs still do not turn on, you may have a hardware problem. In this case,
you should contact your local vendor.
There is an audible alarm and one of the PWR lights is red.
• One of the power modules is not supplying power. Press the BUZZER RESET
button on the NXC's front panel to stop the audible alarm.
• Check the power connections. Make sure that you have both power cords
connected to the NXC and plugged into appropriate power sources. Also make
sure you have the power sources and both of the NXC's power switches turned
on.
• Replace the NXC power module that has a red PWR light.
NXC5200 User's Guide
Troubleshooting
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