Docomo FOMA SO902I, User Manual, Page: 339 / 372

337
Appendix/External Device Interface/T
roubleshooting
Troubleshooting
First, check whether the software update is necessary for the FOMA terminal. If necessary,
perform the software update (P.347).
Trouble
The FOMA terminal cannot be used.
Cannot power the FOMA terminal ON.
The warning tone sounds and does not stop
even when you press the Power key, and the
FOMA terminal is powered OFF.
The busy tone sounds and the call is not
connected, even if you dial up.
“ ” is displayed and the busy tone sounds.
Cannot place a call even if you press the
keypad.
The dark display appears and cannot operate
anything.
“ ” appears and cannot operate anything.
The set stand-by display does not appear and
the dark display appears.
“Lock all” is displayed in the display.
The date is displayed in English.
Cannot receive a call or the ring tone does not
sound.
The mail and alarm tones sound but the ring
tone for an incoming call does not sound.
The mail tone sounds but there is no incoming
mail.
Cause and Remedy
• Check if the battery pack is attached properly (P.35).
• Check if the battery pack is not run out (P.38).
• Check if the Lock key is set (P.121).
• Check if the battery pack is attached properly (P.35).
• Check if the battery pack is not run out (P.38).
• The battery is running out. Charge the battery (P.37).
• Check if “ ” appears (P.29).
• Check if you enter the area code (P.44).
• Check if you dial up in a hurry without hearing the ringing tone (P.44).
• Check if you are outside of the service area or in a location with
weak radio wave condition (P.29).
• Check if the Self mode is set (P.119).
• Check if the Key dial lock is set (P.120).
• Check if the Lock key is set (P.121).
• Check if the FOMA terminal is powered ON (P.39).
• Check if the Power saver mode is set (P.108).
• Check if the Lock key is set (P.121).
• Check if the Lock key is set (P.121).
• Check if the Power saver mode is set (P.108).
• Enter the Security code and cancel the Lock all (P.117).
• Check if the Language is set to [English] (P110).
• Check if the Public mode (Driving mode) is set (P.58).
• Check if the Ring volume is set to [OFF] (P.98).
• Check if the Manner mode is set (P.103).
• Check if the Lock all is set (P.117).
• Check if the Self mode is set (P.119).
• Check if the Accept/Reject call is set (P.123).
• Check if the Denied no ID is set (P.124).
• Check if the Set ring start time is set (P.124).
• Check if the Reject unknown is set (P.125).
• Check if the ring time of the Voice Mail/Call Forwarding Service
is set to 0 seconds (P.274, 277).
• Check if the Caller ID Request is set (P.278).
• Check if Mova is enabled for the Dual Network Service (P.279).
• Check if a longer interval (such as 99 sec) is set at [Ring time]
of the Set ring start time. Set it to a shorter interval (P.124).
• Check if the Tone/Vibrate notice of the Voice Mail Service is set
to [ON]. If it is ON, you are notified of the increase in the number
of record messages by the ring tone (P.275).
Tr
oubleshooting