ZyXEL Communications ZyXEL G-560 사용자 설명서
ZyXEL G-560 User’s Guide
Chapter 8 Troubleshooting
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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 G-560
Table 25 Troubleshooting the Start-Up of Your G-560
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 G-560 reboots
automatically
sometimes.
The supplied power to the G-560 is too low. Check that the G-560 is receiving
enough power.
Make sure the power source is working properly.
Make sure the power source is working properly.
8.2 Problems with the Password
Table 26 Troubleshooting the Password
PROBLEM
CORRECTIVE ACTION
I cannot access the
G-560.
The Password and Username fields are case-sensitive. Make sure that you
enter the correct password and username using the proper casing.
Use the RESET button on the rear panel of the G-560 to restore the factory
Use the RESET button on the rear panel of the G-560 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.