ZyXEL Communications FMG3025-D10A IP Phone User Manual


 
FMG3024-D10A / FMG3025-D10A Series User’s Guide 237
CHAPTER 31
Troubleshooting
31.1 Overview
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
Device Access and Login
Internet Access
Phone Calls and VoIP
USB Device Connection
UPnP
31.2 Power, Hardware Connections, and LEDs
The Device does not turn on. None of the LEDs turn on.
1 Make sure the Device is turned on.
2 Make sure you are using the power adaptor or cord included with the Device.
3 Make sure the power adaptor or cord is connected to the Device and plugged in to an appropriate
power source. Make sure the power source is turned on.
4 Turn the Device 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.
2 Check the hardware connections. See the Quick Start Guide.
3 Inspect your cables for damage. Contact the vendor to replace any damaged cables.