Appendix
68
Trouble
Detail
Page
Cannot turn on
power
Is the internal battery charged?
P. 46
Is
F
(Power button) pressed
and held until the screen turns
on?
P. 52
Cannot charge
the product
Is the specified charger (sold
separately) correctly used for
charging?
P. 47
Is the product at a high or low
temperature? The product may
stop charging depending on a
temperature.
-
Is the specified accessory
(adapter etc.) used for charging?
P. 47
Are the desktop holder or external
device port soiled?
-
Cannot operate/
The screen does
not respond/
Cannot turn off
the power
Press and hold
F
(Power
button) and
r
(Volume up key)
at the same time for at least 11
seconds.
P. 76
The power
is turned off
automatically
Is the internal battery adequately
charged?
P. 46
The power is
turned off while
the wake-up logo
is displayed
Is the internal battery adequately
charged?
P. 46
Trouble
Detail
Page
Cannot make
calls
Is the power turned on?
P. 52
Is the au IC card inserted?
P. 42
Was the number entered
correctly? (Was the area code
entered?)
P. 65
Did you tap "CALL" after entering
the number?
P. 65
Is "Airplane mode" still set?
P. 62
Cannot receive
calls
Is the signal good enough?
P. 60
Is the product within the service
area?
P. 60
Is the power turned on?
P. 52
Is the au IC card inserted?
P. 42
Is "Incoming Reject" still set?
-
Is "Airplane mode" still set?
P. 62
Is "Call forwarding services" still
set?
-
" " (out of service
area) appears
Is the product within the service
area or where signal is good
enough?
P. 60
Is the built-in antenna covered
with finger, etc.?
P. 39
Is a card inserted other than the
au IC card?
P. 41
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