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Section 8
Troubleshooting
8.1
Fault tracing
GUID-95469C89-5698-4BD4-B757-1A1748FBF133 v1
There is no LHMI in SAM600-IO. The LHMI on the service kit can be used for troubleshooting. For
more information on service kit, refer to Section
8.1.1
Identifying hardware errors
GUID-0F0FF99B-E3EF-4D44-ABB4-19041BA9FBF1 v8
1.
Check the module with an error.
•
Check the general IED status in
Main menu /Diagnostics /IED status /General
for a
faulty hardware module.
•
Check the history of changes in internal event list in
Main menu /Diagnostics /Internal
events
.
2.
Inspect the IED visually.
•
Inspect the IED visually to find any physical error causes.
•
If you can find some obvious physical damage, contact Hitachi Power grids for repair or
replacement actions.
3.
Check whether the error is external or internal.
•
Check that the error is not caused by external origins.
•
Remove the wiring from the IED and test the input and output operation with an external
test device.
•
If the problem remains, contact Hitachi Power grids for repair or replacement actions.
8.1.2
Identifying runtime errors
GUID-105A9FFE-75F3-4E65-BFF7-F31268CD7DCE v8
1.
Check the error origin from IED's internal event list
Main menu /Diagnostics /IED status /
General
.
2.
Reboot the IED and recheck the supervision events to see if the fault has cleared.
3.
In case of persistent faults, contact Hitachi Power grids for corrective actions.
8.1.3
Identifying blocked functions
GUID-012B4B88-F260-4B20-885F-998AD384D586 v3
1.
Check the list of blocked functions from the LHMI under
Main menu/Diagnostics /IED status/
Function overview
.
2.
In case of persistent faults, contact Hitachi Power grids for corrective actions.
8.1.4
Identifying communication errors
GUID-4C589FC4-B122-4F12-8E3D-1B05B4FC5FCE v9
Communication errors are normally communication interruptions or synchronization message errors
due to communication link breakdown.
•
Check the IEC61850 communication status in internal event list in
Main menu/
Diagnostics /IED Status/General
.
•
In case of persistent faults originating from IED's internal faults such as component breakdown,
contact Hitachi Power grids for repair or replacement actions.
1MRK 500 131-UEN Rev. C
Section 8
Troubleshooting
Switchgear control unit SAM600-IO
51
Operation manual
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