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12 Troubleshooting
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 Check
Point
No Dial Tone when
off-hook.
Hook on and hook off receiver again.
No corresponding
response from the interface
of keypad system (After
several attempts).
Power off and then power on again.
Incorrect display of system
time.
Check whether the system signal is
too weak.
No display on screen when
disconnect external power
supply.
Check whether the battery has
electricity, or it is damaged; or power
on the phone again.
Press
CALL/REDIAL key
,
but no number is sent.
Check whether you have hooked off
(Notice: Be sure to hook off before
sending the number when making a
call.)
There is incoming call, but Please check the mute mode and the