TROUBLESHOOTING Service Manual M4 - M10
11.07.2002 Page 23
7.
TROUBLESHOOTING
7.1 General
Testing and troubleshooting are the one of the first steps in service / repair
procedures to locate and identify defective part from the device.
Troubleshooting gives good figure for further measures, what have to be done
to recover unit back in decent condition and in an operation.
Careful troubleshooting and testing in prior to repair saves total time and
surely prevents additional consequential damages if done correctly.
The troubleshooting in general level for the complete drive has been
described in section 7. The trouble shooting and testing for main circuit and
control circuits are described separately in the sections where particular
blocks are under consideration.
7.2 Fault codes on panel
Drive has a capacity to save last nine (9) fault codes and show them on display
of control panel, if desired. There is always a reason or another for the
tripping of the drive and it should be solved before to proceed in an operation
and to avoid damages in equipments.
Used fault codes are described in section “9.Fault tracing” of the CX / CXL /
CXS frequency converter user manual
7.2.1 Fault codes, possible reasons and checking to be done
On flow charts below all numeric fault codes are described with an
explanations and with measures to be done in different cases for trouble
solving.
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