HEIDENHAIN iTNC 530 Service Manual page 541

If you could still store the non-volatile PLC markers and words from RAM to the defective
If possible ...
hard disk and subsequently create a backup:
If necessary, you must ...
Restoring the
default settings
on the machine
Contact the machine manufacturer for information!
Functional test
If changes were made to the machine or control (e.g., new machine parameters have been
Creating a machine
added), you should create a current machine backup. --> See "Backup on an External Data
backup
Medium" on page 13 – 192.
Removing the
defective drive
assembly
July 2010
Restart the control, do not acknowledge the Power interrupted message.
Write the non-volatile PLC markers and words from the hard disk to the RAM of the control. -
-> See "Non-Volatile PLC Markers and Words" on page 11 – 136.
Recalibrate the touch probes.
Initialize the swivel head again
Initialize the tool changer again.
Note
On machines with analog axes, an offset fine adjustment should be performed with the
HEIDENHAIN code number after the exchange of the control.
--> See "Adjusting the electrical offset (drift adjustment)" on page 20 – 349.
Check the machine functions (with the aid of the machine operator).
Apply a note with the error description on the sheet metal of the drive assembly.
Check whether the hard disk is secured by a shipping brace.
Pack the defective drive assembly in the original packaging of the new drive assembly.
Return the defective drive assembly to the machine manufacturer or to your
HEIDENHAIN service agency.
28 – 541