DS020-7 Oct ‘06

©2006 REG No 277 4001, ENGLAND.

Page 9

5. Trouble shooting

Problem

Action

Dial-up Networking reports modem is not

responding

Check if the modem is ready, LED is flashing

slowly

Check the serial port setting of Maestro and

Windows modem device

Check connection cable

Check if the modem is used by another

program

Dial-up not successful

Check if GPRS service ready from the network

Try entering command:

AT+CGQREQ=1,0,0,3,0,0

by using HyperTerminal

Dial-up successful, but disconnect immediately Check APN setting, consult your network

operator

Dial-up successful, but cannot access the

Internet

Check your Windows’ Internet settings

Check signal strength

Note: Dial-up Networking will NOT drop even

signal is lost; it will try to recover soon