July 2010 28 – 541
If possible … If you could still store the non-volatile PLC markers and words from RAM to the defective
hard disk and subsequently create a backup:
8 Restart the control, do not acknowledge the Power interrupted message.
8 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.
Restoring the
default settings
on the machine
If necessary, you must ...
Recalibrate the touch probes.
Initialize the swivel head again
Initialize the tool changer again.
Contact the machine manufacturer for information!
Functional test
8 Check the machine functions (with the aid of the machine operator).
Creating a machine
backup
If changes were made to the machine or control (e.g., new machine parameters have been
added), you should create a current machine backup. --> See “Backup on an External Data
Medium” on page 13 – 192.
Removing the
defective drive
assembly
8 Apply a note with the error description on the sheet metal of the drive assembly.
8 Check whether the hard disk is secured by a shipping brace.
8 Pack the defective drive assembly in the original packaging of the new drive assembly.
8 Return the defective drive assembly to the machine manufacturer or to your
HEIDENHAIN service agency.
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.
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