HEIDENHAIN TNC 426B (280 472) ISO programming - Manual (Page 89)

73 HEIDENHAIN TNC 410, TNC 426, TNC 430
4.11 Direct Help for NC Error Messages
(not TNC 410)
The TNC automatically 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 the touch probe system
An error message that contains a program block number was
caused by an error in the indicated block or in the preceding block.
The TNC error messages can be canceled with the CE key, after the
cause of the error has been removed.
If you require more information on a particular error message, press
the HELP key. A window is then superimposed where the cause of
the error is explained and suggestions are made for correcting the
error.
Display HELP
if an error message appears at the top of screen:
ú To display Help, press the HELP key
ú Read the description of the error and the possibilities
for correcting it. Close the Help window with the CE,
thus canceling the error message
ú Remove the cause of the error as described in the
Help window.
The TNC displays the Help text automatically if the error message is
flashing. The TNC needs to be restarted after flashing error
messages. Press the END key and hold for two seconds.
4.1
1 Dir
ect Help f
or NC Er
ror Messag
e
s
(not
TNC 41
0)
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