12 – 156 HEIDENHAIN Service Manual iTNC 530
Hard disk test on the HeROS level:
If the NC software does not boot again completely, hard disk tests can also be perforemed on
the HeROS level (HEIDENHAIN Real Time Operating System).
8 If possible: Move the machine to its basic position.
8 Shut down the control and switch off the machine.
8 Press the EMERGENCY STOP key.
8 Switch on the control again.
8 When the screen of the control turns blue (HeROS start-up procedure), press the DEL key
(either on the ASCII keyboard or in the area of the numeric keypad) until the message Welcome
to HeROS is displayed.
8 Now release the key.
8 As User name enter "tnc".
8 Now type the command dosfsck /dev/hda1 (blank space after dosfsck) and confirm with
Enter. --> The SYS partition is checked and the result of the test is displayed.
8 Now type the command dosfsck /dev/hda5 (blank space after dosfsck) and confirm with
Enter. --> The PLC partition is checked and the result of the test is displayed.
8 Now type the command dosfsck /dev/hda6 (blank space after dosfsck) and confirm with
Enter. --> The TNC partition is checked and the result of the test is displayed.
Figure: Excerpt of the hard disk test on the HeROS level with faulty files
8 If faulty files or clusters are detected, you should replace the hard disk. --> Contact the
machine manufacturer or a HEIDENHAIN service agency!
8 Enter the command exit after the test.
8 Switch the control off (a shut down is not possible).
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