SoftBank 816SH User Manual page 319

Problem
^ Handset may be outside the service area or
B appears in Standby
otherwise beyond signal transmission range.
and call won't connect
^ Is GSM selected in Select Service (P.2-15)?
^ Did you include the area code or the first 0?
Call won't connect and
^ Handset may be out-of-range. (B appears)
there's a beeping tone
^ Handset Offline Mode may be active. (X appears)
^ Network signal may be weak.
Call is choppy or cut off
^ Battery may need to be charged or replaced.
Line is noisy during calls ^ Network signal may be weak or unstable.
^ AC Charger may not be properly connected to handset.
^ AC Charger may not be firmly plugged in to AC outlet.
^ Battery may not be properly installed.
^ Battery terminals, AC Charger connector or External
Battery won't charge
Device Port may need to be cleaned.
^ Battery may not charge outside 5]C to 35]C.
^ Battery may be terminally exhausted or defective.
^ Remaining charge shortens charging time.
Battery charges quickly
^ Battery may be terminally exhausted or defective.
^ During charging, AC Charger normally becomes
Handset or Charger warm; handset may feel warm to the touch during
feels warm extended periods of use.
Possible Cause Solution
^ Move to a place where signal is strong and retry.
^ Select another mode according to service area.
^ Dial the number including the area code or 0.
^ Move to a place where signal is strong and retry.
^ Cancel Offline Mode (P.2-19).
^ Move to a place where signal is strong and retry.
^ Charge battery or install a charged battery.
^ Make sure connector is securely inserted and try again.
^ Remove plug from outlet, re-insert and try again.
^ Open handset, install battery properly and try again.
^ Clean terminals, connector and Port with a cotton
swab and try again.
^ Charge within an ambient temperature of 5]C - 35]C.
^ Replace battery with a new one.
^ Replace battery with a new one.
^ Unless handset/accessories become very hot to the
touch, this should be considered normal; regardless,
avoid prolonged skin contact which could cause burn
injuries (P.xvii).
19
19-5