Troubleshooting - SoftBank 831SH User Manual

Troubleshooting

Troubleshooting

[ General
Problem
Was " pressed long
enough?
Handset won't Battery may need to be
turn on charged or replaced.
Battery may not be
properly installed.
Handset won't Is Switch On/Off in
respond PIN Entry On?
USIM Card may not be
properly inserted.
Insert USIM Card
appears
The correct USIM Card
may not be inserted.
There may be debris on
IC chip/terminals.
REFRESH
Handset may have
appears and
been dropped or
handset returns
subjected to shocks.
to Standby
Keypad Lock may be
active (` appears).
Keypad won't
respond
Function Lock may be
15
active ($ appears).
6
15-
Possible Cause Solution
Press " longer.
Charge battery or install a
charged battery.
Install battery properly (P.15-4).
If On, PIN is required. Enter PIN
according to onscreen prompt.
Turn power off and check that
USIM Card is properly
inserted, then restart handset.
If the message still appears,
USIM may be damaged.
Make sure the correct USIM
Card is inserted. The inserted
USIM Card may not be valid.
Clean relevant parts with a dry
cloth and re-insert.
Handset failed to recognize
USIM Card temporarily. This is
not a malfunction.
Cancel Keypad Lock (P.1-19).
Cancel Function Lock (P.11-2).
Problem Possible Cause
Battery strength Ambient temperature
indicator flashes may be outside 5oC to
when not charging 35oC.
Saved entry/folder
Entry/folder may be set
does not appear
to Secret.
on handset
Cannot use Show Secret Data may
Predictive be active.
Handset/AC Charger may
warm while charging.
Handset may warm
Handset/AC
during extended
Charger feels warm
periods of use.
Handset may warm
during Video Calls.
Cannot access Memory Card may not
Memory Card files be properly formatted.
Clock settings Did you leave handset
are lost without battery?
Solution
Use within an ambient
temperature of 5oC - 35oC.
Activate Show Secret Data
(P.11-3).
Cancel Show Secret Data.
Unless handset/AC Charger is
too hot to touch, warmth is
considered normal. Always
avoid prolonged skin contact to
prevent burn injuries.
Use 831SH-formatted Memory
Cards.
Clock settings remain even
when removing battery for
replacement, etc. However, if
handset is left with no battery
or an exhausted one for an
extended period of time
(approximately one hour),
Clock will need to be reset.