Checking The Communication Link Operation; Checking The Time Synchronization; Running The Display Test; Diagnosing The Ied Status Via The Lhmi Hint Menu - ABB Relion 670 series Operation Manual

Section 9
Troubleshooting
9.1.4.1

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.
1. Check the front communication port RJ-45.
1.1.
1.2.
2. Check the communication status of the rear ports via the LHMI in Main menu/
Diagnostics/Communication/Ethernet status/Access points
The communication ports on the rear side of the IED are for optical Ethernet via ST
connectors.
•
9.1.4.2

Checking the time synchronization

• Select Main menu/Diagnostics/IED status/General and check the status of the time
synchronization on Time synch.
The
9.1.5

Running the display test

You can run the display test in either of the following ways:
• Select Main menu/Test/LED test.
•
Press simultaneously
All the LEDs are tested by turning them on simultaneously. The display shows a set of
patterns so that all the pixels are activated. After the test, the display returns to normal
state.
9.1.6

Diagnosing the IED status via the LHMI hint menu

In order to help the user, there is an LHMI page labeled 'Hints'. This page is located under Main
menu/Diagnostics/IED status/Hints. For each activated hint there is a headline. From the
headline view, an explanation page can be entered, giving the user more information and hints
about the particular topic.
For example, if there is a configuration to use IEC 61850 9–2 analog data, but no data arrives
on the access point, then the IED will use substituted data and most protection functions will
78
Check that the uplink LED is lit with a steady green light.
The uplink LED is located on the LHMI above the RJ-45 communication port on the
left. The port is used for direct electrical communication to a PC connected via a
crossed-over Ethernet cable.
Check the communication status of the front port via the LHMI in Main menu/
Diagnostics/Communication/Ethernet status/Front port/FRONTSTATUS:1.
LinkStatus value is 1, that is, the communication is working. When
Check that the
the value is 0, there is no communication link.
Check that the LinkStatus value is 1, that is, the communication is working. When
the value is 0, there is no communication link.
Time synch value is Ready when the synchronization is in order.
Note that the time synchronization source has to be activated. Otherwise
the value is always
and
Ready .
.
1MRK 500 127-UEN D
GUID-A1815C16-1AB7-4DEE-8E9B-0BF91DDEE72C v9
GUID-CE54512E-06E3-4255-823C-1ACA122CC67E v6
AMU0600411 v8
GUID-7E8503E9-441B-487A-9CD7-B43463D1CAE5 v3
670 series
Operation manual