Troubleshooting - LG KM555 User Manual

Troubleshooting

This chapter lists some problems that you might encounter while using
your phone. Some problems require that you call your service provider,
but most of problems you encounter are easy to correct yourself.
MESSAGE POSSIBLE CAUSES
SIM error There is no SIM card
in the phone or you
may have inserted it
incorrectly.
No Signal weak Outside
connection GSM network
to the
network
Codes do When you want to
not match change a security code
you have to confirm the
new code by entering
it again. The two codes
that you have entered
do not match.
Function Not supported by
cannot be Service Provider or
set registration required
Calls not Dialling error
available
New SIM card inserted
Charge limit reached
66 LG KM555 | User Guide
POSSIBLE CORRECTIVE
MEASURES
Make sure that the SIM card
is correctly inserted.
Move higher to a window or
open space. Check service
provider coverage map.
Contact your Service Provider.
Contact your Service Provider.
New network not authorised.
Check for new restrictions.
Contact Service Provider or
reset limit with PIN 2.