Troubleshooting Guide - LG Nortel GDC-400 User Manual

11. Troubleshooting Guide

11. Troubleshooting Guide
Problem
LCD is empty.
"NO CHANNEL" is displayed
when pressing TALK button.
Small Voice
Small Ring
"UNREGISTERED" is displayed
on the LCD.
Low battery icon ( ) is flashing
on LCD with warning tone.
Power-off right after power-on
No tone is heard when pressing
a digit.
Unexpected call disconnect or
call failure
Different battery duration from
the battery duration table
Subscript can't be done.
1
RSSI : Radio Signal Strength Indication. Always a user can see RSSI icon while the terminal
is operating.
Reason
No power
No free channel
Small voice level
Small ring volume level
Not subscribed
Low battery level
Almost fully discharged
battery.
No Base Lock State
Tone Volume is off.
Bad radio Environment.
Bad charging habit or
kept the battery
inadequate place.
1. There is
interference of
other systems with
subscription.
2. A station is too far
from the terminal.
3. Wrong PARK value
or (and) wrong AC
code.
4. There is no
available
wireless channel.
68
Solution
Check the battery then, press
the POWER button.
Wait until a free channel is
released.
While connected to a call,
Press UP button.
Adjust Ring volume level;
Refer to 'HS Setting'.
Subscribe the terminal.
Refer to '9.2
Subscription'.
Recharge the battery.
Recharge the battery.
Wait until Base Locked or move
to a place with good RSSI
Adjust Key tone level;
In an idle state
Refer to 'HS Setting'
Radio environment is changed
unexpectedly even in the same
place. Move to another place
with good RSSI or wait until
RSSI is recovered.
Charge and keep the battery
according to the suggested
ways.
Refer to '3.4 Charging the
handset'.
1. Remove other systems.
2. Be sure a base station is
close to the terminal.
3. Be sure PARK value and
AC code is correct.
4. Wait until available wireless
channel is free. If the
subscription
still fails, retry the power
reset.
1
.