Troubleshooting; Overview; Power, Hardware Connections, And Leds - ZyXEL Communications P-2812HNU-51c User Manual

27.1 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

• Device Access and Login
• Internet Access
• Wireless Internet Access
• Phone Calls and VoIP
• USB Device Connection
• UPnP
27.2 Power, Hardware Connections, and LEDs
The Device does not turn on. None of the LEDs turn on.
Make sure the Device is turned on.
1
Make sure you are using the power adaptor or cord included with the Device.
2
Make sure the power adaptor or cord is connected to the Device and plugged in to an appropriate
3
power source. Make sure the power source is turned on.
Turn the Device off and on.
4
If the problem continues, contact the vendor.
5
One of the LEDs does not behave as expected.
Make sure you understand the normal behavior of the LED. See
1
Check the hardware connections. See the Quick Start Guide.
2
P-2812HNU(L)-Fx Series User's Guide
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H A P T E R

Troubleshooting

Section 1.6 on page
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24.
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