July 2010 6 – 59
6 Procedures and Tips for Error Diagnosis
6.1 Introduction
The following systematic procedures have proven themselves for error diagnosis at a machine
tool.
The modifications are described in the following section:
6.2 Power Off and On
Where it is possible and useful, you may restart the control:
8 Press the EMERGENCY STOP button.
8 Shut down the control.
8 Press the power switch to switch off the machine.
8 Wait for several seconds.
8 Switch the machine back on again.
8 Observe, whether the error message is generated again.
Make use of the extensive diagnosis options of iTNC 530!
Diagnostic possibility Description in this manual
Integrated drive diagnosis See “Integrated Diagnostic Functions and DriveDiag” on
page 9 – 89.
Integrated oscilloscope See “Integrated Oscilloscope” on page 10 – 99.
PLC diagnosis See “PLC Diagnosis” on page 11 – 115.
General log See “Log” on page 8 – 81.
Refer also to the notes and tips in chapter 6.9!
In case of errors that may lead to very high currents, e.g. ground fault or short circuit in
the drive, do not switch on the machine again!
First ensure that there are no defective units, cables, etc.
Then eliminate all ground faults and short circuits in the machine. --> See “Sequence for
Finding Serious Electrical Errors” on page 6 – 60.
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