ZyXEL Communications G-470 User Manual
G-470 User’s Guide
Chapter 8 Troubleshooting
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C
H A P T E R
8
Troubleshooting
This chapter covers potential problems and possible remedies. After each problem description,
some instructions are provided to help you to diagnose and to solve the problem.
some instructions are provided to help you to diagnose and to solve the problem.
8.1 Problems Starting Up the ZyXEL Device
8.2 Problems with the Password
Table 18 Troubleshooting the Start-Up of Your ZyXEL Device
PROBLEM
CORRECTIVE ACTION
None of the LEDs
turn on when I
plug in the power
adaptor.
Make sure you are using the supplied power adaptor and that it is plugged in to an
appropriate power source. Check that the power source is turned on.
If the problem persists, you may have a hardware problem. In this case, you should
If the problem persists, you may have a hardware problem. In this case, you should
contact your local vendor.
The device
reboots
automatically
sometimes.
The supplied power to the ZyXEL Device is too low. Check that the ZyXEL Device
is receiving enough power.
Make sure the power source is working properly.
Make sure the power source is working properly.
Table 19 Troubleshooting the Password
PROBLEM
CORRECTIVE ACTION
I cannot access the
ZyXEL Device.
The Password field is case-sensitive. Make sure that you enter the correct
password using the proper casing.
Use the RESET button on the rear panel of the ZyXEL Device to restore the
Use the RESET button on the rear panel of the ZyXEL Device to restore the
factory default configuration file (hold this button in for about 10 seconds or
release the button when the PWR LED starts blinking). This will restore all of the
factory defaults including the password.