Chapter 12 Troubleshooting; Power, Hardware Connections, And Leds - ZyXEL Communications PM7516 Series User Manual

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
12.1 Power, Hardware Connections, and LEDs
The Zyxel Device does not turn on. None of the LEDs turn on.
Make sure the Zyxel Device is turned on.
1
Make sure you are using the power adaptor or cord included with the Zyxel Device.
2
Make sure the power adaptor or cord is connected to the Zyxel Device and plugged in to an
3
appropriate power source. Make sure the power source is turned on.
Turn the Zyxel 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.
2
Inspect your cables for damage. Contact the vendor to replace any damaged cables.
3
Turn the Zyxel Device off and on.
4
If the problem continues, contact the vendor.
5
C
Troubleshooting
PM7510-R0 User's Guide
33
H A P T E R
Section 1.4.1 on page
12
9.