ZyXEL Communications ADSL2+4 Modem User Manual


 
P-660H-T1v3s User’s Guide
197
CHAPTER 21
Troubleshooting
This chapter offers some suggestions to solve problems you might encounter. The
potential problems are divided into the following categories.
Power, Hardware Connections, and LEDs
P-660H-T1v3s Access and Login
Internet Access
21.1 Power, Hardware Connections, and LEDs
The P-660H-T1v3s does not turn on. None of the LEDs turn on.
1 Make sure the P-660H-T1v3s is turned on.
2 Make sure you are using the power adaptor or cord included with the P-660H-
T1v3s.
3 Make sure the power adaptor or cord is connected to the P-660H-T1v3s and
plugged in to an appropriate power source. Make sure the power source is turned
on.
4 Turn the P-660H-T1v3s off and on.
5 If the problem continues, contact the vendor.
One of the LEDs does not behave as expected.
1 Make sure you understand the normal behavior of the LED. See Section 1.4 on
page 23.