Troubleshooting; Fault Tracing; Identifying Hardware Errors; Identifying Runtime Errors - Hitachi 650 Series Operation Manual

1MRK500128-UEN Rev. H
Section 8
8.1

Fault tracing

8.1.1

Identifying hardware errors

1. Check the module with an error.
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2. Inspect the IED visually.
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3. Check whether the error is external or internal.
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8.1.2

Identifying runtime errors

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

1. Check the list of blocked functions from the LHMI under Main menu/Diagnostics /IED status/
Function overview .
2. Check the settings for the 9-2LE receiver and associated cabling.
3. In case of persistent faults, contact Hitachi Power grids for corrective actions.
8.1.4

Identifying communication errors

Communication errors are normally communication interruptions or synchronization message errors
due to communication link breakdown.
• Check the IEC 61850 and DNP3 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.
8.1.4.1

Checking the communication link operation

There are several different communication links on the product. First check that all communication
ports that are used for communication are turned on.
650 series
Operation manual

Troubleshooting

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 .
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.
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.
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Section 8
Troubleshooting
GUID-0F0FF99B-E3EF-4D44-ABB4-19041BA9FBF1 v8
GUID-105A9FFE-75F3-4E65-BFF7-F31268CD7DCE v8
GUID-012B4B88-F260-4B20-885F-998AD384D586 v3
GUID-4C589FC4-B122-4F12-8E3D-1B05B4FC5FCE v10
GUID-A1815C16-1AB7-4DEE-8E9B-0BF91DDEE72C v10
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