ZyXEL Communications P-661H Series, User Manual, Page: 293 / 383

P-661H/HW Series User’s Guide
Chapter 23 Troubleshooting 293
C
H A P T E R
23
Troubleshooting
This chapter covers potential problems and the corresponding remedies.
23.1 Problems Starting Up the ZyXEL Device
23.2 Problems with the LAN
Table 122 Troubleshooting Starting Up Your ZyXEL Device
PROBLEM CORRECTIVE ACTION
None of the
LEDs turn on
when I turn on
the ZyXEL
Device.
Make sure that the ZyXEL Device’s power adaptor is connected to the ZyXEL Device
and plugged in to an appropriate power source. Make sure that the ZyXEL Device and
the power source are both turned on.
Turn the ZyXEL Device off and on.
If the error persists, you may have a hardware problem. In this case, you should
contact your vendor.
Table 123 Troubleshooting the LAN
PROBLEM CORRECTIVE ACTION
The LAN LEDs
do not turn on.
Check your Ethernet cable connections (refer to the Quick Start Guide for details).
Check for faulty Ethernet cables.
Make sure your computer’s Ethernet Card is working properly.
I cannot access
the ZyXEL
Device from the
LAN.
If Any IP is disabled, make sure that the IP address and the subnet mask of the
ZyXEL Device and your computer(s) are on the same subnet.