User's Manual

Appendix
9-3
Troubleshooting
Handset does not turn on
・
Was
L
pressed for more than three seconds?
・
Is battery level sufficient?
・
Is battery inserted properly? (
Z
P.XX-XX)
Handset functions do not work after turning power on
・
Does PIN entry window appear?
PIN
Certification is
ON . Enter PIN. (
Z
P.XX-XX)
Insert USIM or INVALID USIM appears when handset is turned on or
operations attempted
・
Is USIM Card inserted correctly? (
Z
P.XX-XX)
・
Unusable USIM Card may be inserted (
Z
P.XX-XX).
・
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
.XX-XX).
Cancel K
eyguard.
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
.XX-XX).
・
Are you using handset overseas?
Set
international settings (e
.g.
select oper
ator)
to use abroad (
Z
P
.XX-XX).
Outgoing calls will not connect
・
Is area code entered?
・
Is restricting outgoing calls in Call Barring? (
Z
P.XX-XX)
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
.XX-XX)
or
Retrieve NW Info (
Z
P
.XX-XX)
again.
Digital
TV does not work
・
Is handset out of terrestrial Digital TV broadcasting service area or in a location
where airw
aves
are weak?
Move
to a location where airw
aves
are strong (
Z
P
.XX-XX).