LTE3301-M209 User’s Guide
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CHAPTER 23
Troubleshooting
23.1 Overview
This chapter offers some suggestions to solve problems you might encounter. The potential problems are
divided into the following categories.
• Power, Hardware Connections, and LEDs
• Zyxel Device Access and Login
• Internet Access
• Wireless Connections
23.2 Power, Hardware Connections, and LEDs
The Zyxel Device does not turn on. None of the LEDs turn on.
1 Make sure you are using the power adapter or cord included with the Zyxel Device.
2 Make sure the power adapter or cord is connected to the Zyxel Device and plugged in to an
appropriate power source. Make sure the power source is turned on.
3 Disconnect and re-connect the power adapter or cord to the Zyxel Device.
4 If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section 1.7.2 on page 15.
2 Check the hardware connections. See the Quick Start Guide.
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.
4 Disconnect and re-connect the power adaptor to the Zyxel Device.
5 If the problem continues, contact the vendor.
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