February 2012 6 – 63
6.6 Error localization by process of exclusion
For the "exclusion method" probably defective devices or entire axes are deselected in the NC
software and physically separated from the control component, i.e. disconnected from the interface
of the control component including the cable.
Then a check is made, as to whether the previous error message or error recurs.
The "exclusion method" is useful in the following events:
The monitor remains dark after the machine is switched on
--> See ”Troubleshooting” on page 22 – 363.
Errors occur that concern the handwheel
--> See ”Deselecting and disconnecting the portable handwheel” on page 25 – 412.
Errors occur that concern the touch probe
--> See ”Deselecting and disconnecting the touch probe” on page 26 – 433.
Errors occur that concern a certain axis
--> See flowchart on next page "Deselecting an axis".
Errors occur that do not uniquely refer to a certain axis or connected device.
--> Sequentially deselect the axes or disconnect the devices and deselect them in the NC software.
If you intend to use the exclusion method for the tool changer, chip conveyor, Profibus modules,
etc., contact your machine manufacturer!
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