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Advant
®
Controller 450 User’s Guide
Section 5.5.4 Fault Classification and Scheme of Measures
3BSE 002 415R701 Rev A
5-37
5.5.4 Fault Classification and Scheme of Measures
To guide in the advanced fault finding a rough fault classification is made outgoing from the
indications provided by the available diagnostics functions.
Advanced fault finding is not the object of this User’s Guide. However some trial might be
successful. Hints are referred. A classification is valuable too when ordering support from ABB.
Faults are classified in the following four groups A......D:
A.
Faults in the power supply system.
If there is no power supply redundancy, a serious supply failure will result in a controller
shut down.
These types of failures are distinguished from other failures, which also results in shut
down, by the lack of indications like voltage regulator LED 5 V and power distribution
unit LED LIVE (24 V). See further information in
Section 5.5.9.5, Check of Power
B.
Faults which do not stop the system.
If the RUN LED indicator on processor module front is turned ON but not the HLT LED,
the system is probably still functional.
Look for red LEDs in the cabinet and try to define the limited part of the controller which
fail. Then see a suitable “Check...” instruction in this
.
C.
Faults which stop the system.
The red HLT indicator on the processor module front is turned ON to indicate that the
system has stopped.
It is probably meaningful to try a system restart. Especially if a software error is verified
by halt code or system message. See
Section 5.5.16, System Restart, INIT
.
Hardware faults also result in system halt (HLT).
Section 5.5.9.9, Fault Finding by
gives adequate information.
D.
Faults which give no indications by the built-in diagnostics.
Ask for support from ABB.
5.5.5 Test Equipment
The character display on the processor module front showing error codes and the indicating
LEDs on the specific hardware modules are normally sufficient aids when finding faults.
The following equipment simplifies the work and should be available:
Basic Fault Finding
•
Digital multimeter for calibration and test purposes.
•
Test leads with 4 mm banana contacts and 2 mm reducer sockets.
•
Ordinary hand tools.
•
Necessary parts of the documentation listed in
Section 1.4, Related Documentation
•
Specific documentation enclosed at delivery, drawings, and so on.
•
Spare units and fuses. (The type and catalogue numbers for all units included in the
Advant Controller 450 delivery are given in the apparatus list.)
Содержание Advant Controller 450
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Страница 522: ...Advant Controller 450 User s Guide Appendix G Memory Calculation G 4 3BSE 002 415R701 Rev A ...
Страница 528: ...Advant Controller 450 User s Guide Appendix H Halt Codes H 6 3BSE 002 415R701 Rev A ...
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