SoftBank 820SC User Manual page 335

■ Unable to charge battery
" Is AC Charger Connector securely inserted
into SBM Charger Connector Adapter?
# Insert AC Charger Connector securely.
" Is SBM Charger Connector Adapter
securely inserted?
# Insert SBM Charger Connector Adapter
securely.
" Is AC Charger plug securely inserted?
# Insert AC Charger plug securely.
" Is battery installed in 820SC?
# Install battery correctly.
" Are 820SC terminals and AC Charger
clean?
# Clean contacts with a dry cotton swab.
" Was battery charged in ambient
temperature below 5 ºC or above 40 ºC?
# Charge battery in ambient temperature
between 5 ºC and 40 ºC.
" 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.
14
14-8
" Does 820SC or battery become very warm
during charging?
# If the temperature rises too much,
charging may stop. After 820SC and
battery are cool, retry charging.
■ Devices become hot
" During charging, AC Charger may heat up.
" 820SC may heat up during charging/long
calls.
# If 820SC can be touched with your hand, it
is normal. If it is too hot to touch,
immediately stop charging and contact
Customer Service (fP.14-30).
■ Battery drains quickly
" Battery may drain quickly depending on
the operating environment (Ambient
temperature, charging conditions, or
Signal Strength), operations, and settings.
# Use 820SC in an appropriate environment
and reduce operations requiring high
power (fP.14-2).
■ Unable to watch TV
" Is USIM Card removed?
# Unable to watch TV with no USIM Card
inserted. Insert USIM Card.
" Is subscription terminated?
# TV is enabled only during subscription
period.
■ Display flickers
" Is 820SC used near a fluorescent light?
# Use 820SC as far away from a fluorescent
light as possible.
■ Display is dim or unlit
" This may be due to the characteristics of
Display and not a problem. The time
(seconds) until Display is dimmed or unlit
can be changed by adjusting the Backlight
time.
■ Unable to play music via speaker
" Is Manner mode set?
# Cancel Manner mode.
" Is the stereo earphone microphone
connected?
# Disconnect the connector for the stereo
earphone microphone from 820SC.