SoftBank 931sc, User Manual

Page: 305 / 330

Appendix
15-2
15
Troubleshooting
■
Handset does not turn on
" Is battery empty?
# Replace or charge battery.
" Is battery installed in handset?
#
Install battery correctly.
■
When power is turned on, PIN entry
window appears
"
Is
PIN certification
set to
On
?
#
If
PIN certification
is
On
, enter PIN.
■
When power is turned on, USIM password
entry window appears
" Is
USIM lock
set to
On
?
# If
USIM lock
is
On
, enter USIM password.
■
Please insert USIM card, Incorrect USIM
or
USIM card failed
appears when handset is
turned on or executing a function
" Is USIM Card correctly installed?
#
Check to see if USIM Card is correctly installed.
If the message appears even though USIM Card
is correctly installed, it may be damaged.
" Is USIM Card still being loaded?
# Try again after a while.
" Is an incorrect USIM Card used?
#
Check to see if correct USIM Card is used. Use
USIM Card specified by SoftBank.
" Is there debris on USIM Card IC chip?
#
Remove debris with a clean, dry cloth, and then
install USIM Card correctly.
■ 圏外
or appears and no calls can be
made
" Handset is out-of-range.
# Move to a place where the signal is stronger
and try again.
■ Calls are interrupted or disconnected
" Does
圏外
or appear?
#
Move to a place where the signal is stronger
and try again.
" Is battery empty?
#
Replace or charge battery.
■
Unable to make a call
" Is Call Barring set?
# Deactivate Call Barring.
" Is
Offline mode
set to
On
? ( appears)
# Set
Offline mode
to
Off
.
■ Unable to open Phonebook entry, Data
Folder, Call Log, Calendar, or Messaging
" Is
Function lock
set?
# Cancel
Function lock
.
■
Clicking noise is heard during a call
" Noise may be generated when signal is weak
or while moving between coverage areas.
■
Unable to charge battery
" Is AC Charger Connector securely inserted into
handset?
# Insert AC Charger Connector securely.
" Is AC Charger plug securely inserted?
# Insert AC Charger plug securely.
" Is battery installed in handset?
# Install battery correctly.
" Are handset terminals and AC Charger clean?
# Clean contacts with a dry cotton swab.
"
Was battery charged in ambient temperature
below 5 °C or above 40 °C?
# Charge battery in ambient temperature
between 5 °C and 40 °C.
" Battery may need to be replaced.
# Install a new battery.
" Does battery always lose its charge quickly
after being charged?
# Battery life has expired. Replace with a new battery.
" Does handset or battery become very warm
during charging?
# If the temperature rises too much, charging
may stop. After handset and battery are cool,
retry charging.
■
Devices become hot
" During charging, AC Charger may heat up.
"
Handset may heat up during charging/long
calls.
# If handset is safe to touch, heat level is normal.
If it is too hot to touch, immediately stop
charging and contact Customer Service (
f P.15-26).