4 – 24 HEIDENHAIN Service Manual iTNC 530 HSCI
4.2 HELP key
8 Display help texts for error messages
(If you press this key again, the window will close.)
When the service technician presses the HELP key, a window is shown that describes the cause
of the error and possibilities of corrective action in addition to the displayed error message.
The machine manufacturer may also have implemented this function for PLC error messages.
Figure: HELP window
HELP texts cannot be displayed for error messages in gray windows.
The control must be rebooted.
For information on these errors refer to the list of NC error messages.
--> See ”List of NC error messages” on page 4 – 27.