Troubleshooting Guide
67
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,
Press
UP
button.
Small Ring
Small ring volume level
Adjust Ring volume level;
Refer to ‘
HS Setting
’.
“
UNREGISTERED
” is displayed
on the LCD.
Not subscribed
Subscribe the terminal.
Refer to ‘6.2
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.
Maintenance’.
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
1. Remove other systems.
2. Be sure a batation is close
to the terminal.
3. Be sure PARK value and
AC
code are correct.
4. Wait unan available
wireless channel is free. If
the subscription
still fails, retry of the power
reset.
1
RSSI : Radio Signal Strength Indication. Always a user can see RSSI icon while the terminal
is operating.
