14
14-8
Ap
pe
nd
ix
■
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.
"
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 (
■
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 (
■
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.