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11. Troubleshooting Guide
68
11. Troubleshooting Guide
Problem Reason Solution
LCD is empty. No power
Check the battery then, press
the POWER button.
“NO CHANNEL” is displayed
when pressing TALK button.
No free channel
Wait until a free channel is
released.
Small Voice Small voice level
While connected to a call,
z Press UP button.
Small Ring Small ring volume level
Adjust Ring volume level;
z Refer to ‘HS Setting’.
“UNREGISTERED” is displayed
on the LCD.
Not subscribed
Subscribe the terminal.
z Refer to ‘9.2
Subscription’.
Low battery icon ( ) is flashing
on LCD with warning tone.
Low battery level Recharge the battery.
Power-off right after power-on
Almost fully discharged
battery.
Recharge the battery.
No Base Lock State
Wait until Base Locked or move
to a place with good RSSI
1
.
No tone is heard when pressing
a digit.
Tone Volume is off.
Adjust Key tone level;
In an idle state
Refer to ‘HS Setting’
Unexpected call disconnect or
call failure
Bad radio Environment.
Radio environment is changed
unexpectedly even in the same
place. Move to another place
with good RSSI or wait until
RSSI is recovered.
Different battery duration from
the battery duration table
Bad charging habit or
kept the battery
inadequate place.
Charge and keep the battery
according to the suggested
ways.
Refer to ‘3.4 Charging the
handset’.
Subscript can’t be done.
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.
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
RSSI : Radio Signal Strength Indication. Always a user can see RSSI icon while the terminal
is operating.