Sony 500 Telephone User Manual


 
Step by step
Fixing problems
102
Fixing problems
Responding to error messages
Possible causes:
Station number is incorrect.
Possible reactions:
Enter correct station number.
Possible causes:
Locked function selected.
Possible reactions:
Apply to service personnel for authorization for relevant
function.
Possible causes:
Dialed a non-existent station number. Called phone is
unplugged.
Possible reactions:
Enter correct station number. Call this station again la-
ter.
Possible causes:
Dialed your own station number.
Possible reactions:
Enter correct station number.
Contact partner in the case of pro-
blems
Contact your service personnel if a fault persists for
more than five minutes, for example.
Invalid entry
Not authorized
Currently not possible
Invalid station number