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P-660R-Tx v2 Series User’s Guide
Chapter 13 Troubleshooting 112
CHAPTER 13
Troubleshooting
This chapter covers potential problems and the corresponding remedies.
13.1 Problems Starting Up the ZyXEL Device
13.2 Problems with the LAN LED
Table 34 Troubleshooting the Start-Up of 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. Check 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 35 Troubleshooting the LAN LED
PROBLEM CORRECTIVE ACTION
The LAN LEDs
do not turn on.
Check your Ethernet cable connections and type (refer to the Quick Start Guide for
details).
Check for faulty Ethernet cables.
Make sure your computer’s Ethernet card is working properly.