Troubleshooting, 1 problems starting up the zyxel device, 2 problems with the lan – ZyXEL Communications P-660HW-T v2 User Manual
Page 253: Chapter 21 troubleshooting

P-660HW-T v2 User’s Guide
Chapter 21 Troubleshooting
253
C
H A P T E R
21
Troubleshooting
This chapter covers potential problems and the corresponding remedies.
21.1 Problems Starting Up the ZyXEL Device
21.2 Problems with the LAN
Table 113 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 adapter 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 114 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.