User's Manual
17-8
Appendix
17
Troubleshooting
Handset does not turn on
Was
L
pressed for more than three seconds?
Is battery level sufficient?
Is battery inserted properly? (
Z
P.1-12)
Handset functions do not work after turning power on
Does PIN entry window appear?
PIN
Certification is
ON
. Enter PIN. (
Z
P.10-2)
Insert USIM or INVALID USIM
appears when handset is turned on
or operations attempted
Is USIM Card inserted correctly? (
Z
P.1-3)
Unusable USIM Card may be inserted (
Z
P.1-2).
USIM Card IC chip may be dirty.
Wipe
with a clean cloth, then insert USIM Card correctly
.
Keypad does not respond
Does appear in Standby?
Keyguard
is active (
Z
P.10-3).
Cancel K
eyguard.
Does appear in Standby?
Password
Lock is active (
Z
P.10-4).
Cancel
Phone P
assword.
Does appear in Standby?
Keyguard
and P
assword
Lock are both active (
Z
P.10-3, P.10-4).
Cancel
K
eyguard,
and then cancel P
assword
Lock.
Display is blurred
Adjust display brightness (
Z
P.15-6)
Is View Blind active?
Cancel
View Blind (
Z
P.1-24)
Outgoing calls or Video Calls will not connect or message and
Internet connections are unavailable
Does (red) appear?
Is
handset out-of-r
ange
or in a location where signal is weak?
Move
to a location where signal is strong.
Does appear?
Cancel
Emission OFF Mode (
Z
P.1-16).
Are you using handset overseas?
Set
international settings (e
.g.
select oper
ator)
to use abroad (
Z
P.2-9,
P.15-9).
Does or appear?
Messaging
Lock is active (
Z
P.10-6).
Deactivate
Messaging Lock.
Outgoing calls will not connect
Is area code entered?
Is restricting outgoing calls in Call Barring? (
Z
P.2-19)
Outgoing calls will not connect or busy signal sounds
Did you enter area code?
Call is interrupted or disconnected
Does appear? Is handset out-of-range or in a location where
signal is weak?
Move
to a location where signal is strong.
Display clock is r
eset
Replacing battery does not reset Display clock; however, if battery is
removed for long periods
,
the clock may be reset. Set Date & Time
(
Z
P.15-8) or Retrieve NW Info (
Z
P.1-14) again.