Fixing problems
Step by Step
Invalid entry
Not authorized
Currently not possible
Invalid station number
Key memory is full
166
Fixing problems
Responding to error messages on the
screen
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 lat-
er.
Possible causes:
Dialed your own station number.
Possible reactions:
Enter correct station number.
Possible causes:
The system currently has no free space for
external station numbers.
Possible reactions:
Try again later.