February 2012 15 – 215
15 Reloading the currently used NC software
15.1 Introduction
For servicing, it can be helpful to load the currently used NC software once again onto the
iTNC 530 HSCI, if data of the SYS partition was lost.
For example if:
HEIDENHAIN cycles were lost
DSP errors are generated frequently that were obviously caused by a loss of data
Messages are generated that refer to a loss of data
Every installed NC software version and service pack is archived on the control's data medium,
in the path SYS:\zip.
The NC software used can be reloaded from these archives. The data is extracted again for this
purpose. This way you can restore corrupted files on the data medium.
15.2 Preparations
Test of the
data medium
8 Run a test of the SYS partition of the data medium before you reload the NC software. The Test for
bad clusters must be activated for this purpose. Contact a HEIDENHAIN service agency if you wish
to carry out this special data medium test.
Active NC software
version and
service pack
8 Find out which NC software version and which service pack are active on the control. Press the
MOD key for this purpose.
If the NC software number is followed by SP (e.g., 606420 01 SP1), a service pack is active in addition
to the NC software.
8 Write down the number of the NC software version and the service pack!
Preparing the
machine tool
8 If still possible:
Move the machine to home position (axes, tool changer, tilting head, etc.)
Ask the machine operator!
8 Press EMERGENCY STOP.
8 Restart the control, do not acknowledge the Power interrupted message.
If defective areas are found in the test, these areas are disabled which means that they are no
longer used when the data is reloaded.
First the NC software version is reloaded, then the associated service pack.
HEIDENHAIN recommends backing up the control data before reloading the NC software.
--> See ”Backup on an external data medium” on page 14 – 202.
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