HEIDENHAIN TNC 640 (34059x-05) ISO programming - Manual (Page 154)

Programming: Programming aids
4.7 Error messages
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TNC 640 | User's ManualDIN/ISO Programming | 1/2015
4.7 Error messages
Display of errors
The TNC generates error messages when it detects problems such
as:
Incorrect data input
Logical errors in the program
Contour elements that are impossible to machine
Incorrect use of touch probes
When an error occurs, it is displayed in red type in the header. Long
and multi-line error messages are displayed in abbreviated form.
Complete information on all pending errors is shown in the error
window.
If a rare "processor check error" should occur, the TNC automatically
opens the error window. You cannot remove such an error. Shut
down the system and restart the TNC.
The error message is displayed in the header until it is cleared or
replaced by a higher-priority error.
An error message that contains a program block number was
caused by an error in the indicated block or in the preceding block.
Open the error window
Press the ERR key. The TNC opens the error
window and displays all accumulated error
messages.
Closing the error window
Press the END soft key—or
Press the ERR key. The TNC closes the error
window.