User's Manual

Appendix
16-8
16
Troubleshooting
Handset does not turn on
・
Was
L
pressed for more than three seconds?
・
Is battery level sufficient?
・
Is battery inserted properly? (
Z
P.1-13)
Handset functions do not work after turning power on
・
Does PIN entry window appear?
PIN entry is
ON . Enter PIN. (
Z
P.11-2)
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.XX-3). Press to cancel it.
・
Does appear in Standby?
・
Password Lock is active (
Z
P.XX-4). Enter Phone Password (
Z
P.1-26)
to cancel it.
・
Does appear in Standby?
Keyguard and Password Lock are both active (
Z
P.XX-3, P.XX-4).
Cancel Keyguard, and then cancel Password Lock.
Display is blurred
・
Adjust display brightness (
Z
P.XX-4)
・
Is View Blind active?
・
Cancel View Blind (
Z
P.1-27)
Outgoing calls or Video Calls will not connect or message and
Internet connections are unavailable
・
Does (red) appear?
Is handset out-of-range or in a location where signal is weak?
Move to a location where signal is strong.
・
Are you using handset overseas?
Set international settings (e.g. select operator) to use abroad (
Z
P.2-8,
P.XX-8).
・
Does or appear?
Messaging Lock is active (
Z
P.XX-19). Deactivate Messaging Lock.
Outgoing calls or Video Calls will not connect
・
Is area code entered?
・
Is restricting outgoing calls in Call Barring? (
Z
P.2-18)
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.