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If the phone appears following phenomenon in the process of
application, please read following relative information at first. If the
problems still can not be solved, please contact with the distributor or
service provider.
Problem
No
Dial
Tone
off-hook.
No
corresponding
response from the interface
of keypad system (After
several attempts).
Incorrect display of system
time.
No display on screen when
disconnect external power
supply.
Press CALL/REDIAL key,
but no number is sent.
There is incoming call, but
12 Troubleshooting
when
Hook on and hook off receiver again.
Power off and then power on again.
Check whether the system signal is
too weak.
Check
electricity, or it is damaged; or power
on the phone again.
Check whether you have hooked off
(Notice: Be sure to hook off before
sending the number when making a
call.)
Please check the mute mode and the
52
Check Point
whether
the
battery
has
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