HEIDENHAIN TNC 122 User Manual - Manual (Page 58)

9 Tables and Overviews
58 TNC 122
TNC Messages
The TNC generates error messages automatically. They appear,
among other things, whenever the TNC detects
•
incorrect data input and
• logical errors in the program
To clear a message from the screen:
⇒
⇒ ⇒ ⇒ ⇒ Press the CL key.
The following are the most frequent messages and their rem-
edies.
0 NOT ALLOWED
Do not program CALL L.
ENTRY INCORRECT
• Enter a correct LBL number.
• Enter a value within permissible limits
EXT. NOT READY
Correctly connect the external device.
LBL ALREADY USED
A given label number can be assigned only once.
LBL NOT FOUND
Set the label before calling it.
NESTING TOO DEEP
Program sections and subprograms cannot be nested more than 8
times.