MITSUBISHI ELECTRIC M341i - Manual (Page 73)

73-
Appendix
TROUBLE SHOOTING
PROBLEM POSSIBLE CAUSE AND SOLUTION
Phone does not
switch on
Check that the battery is fully charged and correctly connected to the phone.
No flashing battery
icon whilst
charging
There may be no mains supply. Try a different electrical socket.
The AC/DC charger may be faulty. Return to your dealer and try substitution with
another Mitsubishi Electric adaptor. If faulty, contact your dealer.
Short standby and
talk times
Cell broadcast is permanently on, using more battery power.
Phone is in a poor signal area and therefore always on full power.
Incorrect charging and discharging. Always charge and discharge your battery
fully.
The battery is wearing out. Replace the battery.
Impossible to dial
numbers
Keypad lock is on ( appears). Press Unlock and «#» to turn the keypad lock off.
Impossible to
make or receive a
call
Check that at least one signal strength bar ( ) is displayed. Try a stronger signal
strength area.
If no network name is displayed, check registration and area coverage with your
service/network provider and check that the SIM is correctly inserted.
Call barring option is on. Deactivate it (see page 69). Call cost limit is reached
(see page 31).
Stored telephone
numbers cannot be
recalled
Fixed Dialled Number or Call Barring features are activated. Deactivate feature.
(see pages 69).
The mobile is on
but nothing is
displayed.
Display contrast is too low. Reset contrast (see page 62).
Battery icon
not flashing 1-2-3-
4-5 during
charging
May indicate a charge or battery problem. Disconnect the charger. Reconnect and
try again.
May also indicate that the battery is fully recharged and does not require any
further charging.
symbol
displayed
There is not enough memory to store another e-mail or another MMS. Delete one
or more of the existing stored messages.
Flashing There is not enough memory to store another SMS message. Delete one or more
of the existing stored messages.