Appendix; Troubleshooting - Sony CMD-J7 Operating Instructions Manual

Appendix

Troubleshooting

Problem
Unable to
switch on
The
appears
Call not
possible
58 GB
Possible Causes
Empty battery
Defective battery
icon Weak signal
Outside GSM coverage area Check operator coverage map.
SIM not valid
Network access not allowed Try manual network search (see page 36).
Dialling error
All calls barred
Another SIM inserted
Call barring set
Possible Remedies
Charge the battery (see page 13).
Replace the battery. Note that after several years,
gradual decline is normal.
Move to an open space or nearer to a window.
Call your service provider.
Use full national area code. When abroad, use also
international access code to reach home country.
Check settings (Password is needed to clear).
Check for new restrictions.
Check outgoing call barring settings (see page 38).