17-156
Tr
o
ubl
e
s
h
oot
in
g
Calls are
interrupted or cut
off.
Are you in a location where the signal
is poor? (Check the
indicator and
see if the service is out of range.
Move to a location where the radio
signal is strong enough to make a
call.)
Is the battery empty? (page 3-16)
Are there any magnetized objects
such as health necklaces on or around
you? (Around such objects, the
handset terminates the call. Keep the
handset away from such objects.)
Keys do not
operate.
Is the power turned on? (page 3-17)
Has the “Handset Lock” been turned
on? (page 15-139)
The other party’s
voice is too loud
or distorted.
Adjust the earpiece volume.
(page 15-130)
The ring tone does
not sound.
Has the ring volume been set to
“Silent?” (page 15-123)
Has the “Silent” or “In car” mode
been enabled? (page 15-123)
Symptom
Check Points
The PIN code or
PIN2 code is
rejected.
Did you enter the correct code (4 to 8
digits)? (page 3-21)
Have you made 3 unsuccessful
attempts at entering the code? (After 3
attempts, the protection lock prevents
handset operation.)
If you cannot remember the correct
PIN code, contact your service
provider.
The SIM card is
locked.
If supported, try entering the PUK code
(8 digits) provided by your service
provider. (If the attempt is successful,
enter the new PIN code and confirm that
your handset is operational again.
Otherwise, contact your dealer.)
The display is
difficult to read.
Try adjusting the backlight brightness
for the display. (page 15-117).
If the external display is difficult to
read, try adjusting the backlight
contrast. (page 15-121)
The network
service cannot be
accessed.
Confirm whether your account has
been registered. (Contact your service
provider to confirm whether your
account has been registered.)
Are you in a location where you can
receive the service?
Symptom
Check Points
