55
Appendix/Inde
x
Symptom
What you should check
Page
Cannot operate
key/touch panel.
Is power turned on?
P.10
Is the screen lock set?
P.49
Turn off the power and then turn it
on again.
P.10
Cannot operate
touch panel as
intended.
Check the proper operation of touch
panel.
P.17
Turn off the power and then turn it
on again.
P.10
An au IC-Card
(UIM) error is
displayed.
Is the au IC-Card inserted?
P.14
Did you insert a different au IC-
Card?
P.13
A message
indicating
that charging
is necessary
appears.
The battery pack is almost empty.
P.9
Battery usage time
is short.
Is the battery pack charged
enough?
* Charge the battery pack until the
red LED indicator is turned off.
P.9
Is the battery pack left in the place
for a long period where
(out of
service area) appears?
P.20
When making a
call, a beeping
sound is heard
from the earpiece
and a connection
cannot be
established.
Are you out of the service area or
in a location where the signal is too
weak?
P.20
The wireless line is busy or the
phone you are calling is on another
line. Try again later.
—
Symptom
What you should check
Page
The light of the
display is turned
off.
Is “Screen timeout” set short?
—
Display is dark.
Is “Brightness” set to dark?
—
Cannot hear the
other party.
Is the earpiece volume too low?
P.30
Cannot operate
any key and the
screen is frozen.
Turn off the power and then turn it
on again.
P.10
Cannot operate
the respective
profile settings in
the Contacts.
Is the other party’s phone number
notified? If there is no notification,
the setting for individual incoming
image of the contact and the
ringtone setting are not enabled.
—
Is more than one same phone
number saved in the Contacts?
P.32
Cannot create PC
mail.
Did you add a PC mail account?
P.41
Cannot recognize
a microSD
memory card.
Is a microSD memory card inserted
properly?
P.15
Is the microSD memory card
unmounted?
P.49
Cannot operate
the camera.
Is a microSD memory card
inserted?
P.15
Is there enough power left in the
battery pack?
P.9
P.45
Has the IS11CA become too warm?
P.45
For more detailed information, visit the following au troubleshooting
sites on the au homepage.
http://www.kddi.com/customer/service/au/trouble/kosho/index.html