Samsung SGH-Z230 User Manual

Also see for SGH-Z230: Service manual User guide

102Solve problemsHelp and personal needsTo save the time and expense of anunnecessary service call, perform the simplechecks in this section before contacting aservice professional.When you switch on your phone, thefollowing messages may appear:“Please insert SIM card”• Be sure that the USIM/SIM card iscorrectly installed.“Phone lock”• The automatic locking function has beenenabled. You must enter the phone’spassword before you can use the phone.“PIN lock”• You are using your phone for the firsttime. You must enter the PIN suppliedwith the USIM/SIM card.• The PIN lock feature is enabled. Everytime the phone is switched on, the PINhas to be entered. To disable thisfeature, use the PIN lock menu.“PUK lock”• The PIN has been entered incorrectlythree times, and the USIM/SIM card isnow blocked. Enter the PUK supplied byyour service provider.“Service unavailable” or “Networkerror” displays• The network connection has been lost.You may be in a weak signal area. Moveand try again.• You are trying to access an option forwhich you have no subscription with yourservice provider. Contact the serviceprovider for further details.You have entered a number but it wasnot dialled• Be sure that you have pressed [ ].• Be sure that you have accessed the rightcellular network.• Be sure that you have not set anoutgoing call barring option.Your correspondent cannot reach you• Be sure that your phone is switched on.([ ] pressed for more than onesecond.)