User's Manual

47
Common
fault
Reason Troubleshooting
Using phone in poor
reception area such as the
vicinity of high-rise buildings
or basement where the radio
wave can’t reach.
To avoid it as possible as
you can.
Using phone in the time of
dense communication such as
work began time and closing
time when the line is in
congestion and results in
failure of communication.
To avoid it as possible as
you can.
Poor
reception
It may be resulted by the
distance with network
emission base station.
To require your network
service suppler to supply
service area map
It is resulted by poor network
trunk line, which is a
territorial problem.
Echo or
noise
The communication line in
some area is poor.
Redial after ending up, the
trunk line may change a
better line.
The standby time is related
with network system settings.
The phone is at poor
reception area, please power
off it for a while.
It is necessary to change
battery.
Change new battery.
Short
standby
time
The phone will continue to
emit to search base station if
it can’t receive signal, and
then large number of
electricity will be consumed,
which short the standby time.
Please move to the area with
strong signal or power off
the phone for a while.
The phone
can’t be
powered on
The electricity in the battery
is run out.
View the electricity or
charge it.
The SIM card is damaged. Please contact your network
supplier.
The SIM card is not installed
in normal state.
Please make sure the SIM
card has been installed
normally.
SIM card is
wrong
There is dirty on the metal Clean the metal contact