Troubleshooting - SoftBank 940SC User Manual

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 being used?
# Check to see if correct USIM Card is being 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.
15
15-2
■ 圏外 or
appears and no calls can be
placed
" 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 place a call
" Is Call Barring set?
# Deactivate Call Barring.
" Is Offline mode set to On? (
# Set Offline mode to Off.
■ Unable to open Phone Book 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.
appears)
# 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 (fP.15-27).