February 2012 6 – 55
6 Procedures and tips for error diagnosis in the field
6.1 Introduction
The following systematic procedures have proven themselves for error diagnosis at a machine tool.
They are described below.
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 the iTNC 530 HSCI.
Diagnostic option Description in this manual
Integrated drive diagnosis See “DriveDiag” on page 9 – 91.
Integrated Oscilloscope See “Integrated oscilloscope” on page 10 – 95.
PLC diagnosis See “PLC diagnosis” on page 11 – 115.
Bus diagnosis See “PLC diagnosis” on page 11 – 115.
Log See “Log” on page 8 – 79.
Please also note: “Notes and tips for the field service" on page 71.
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 – 56.
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