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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.
1.2. Check the communication status of the front port via the LHMI in Main menu/Test/
Function status/Communication/DOSFRNT:1/Outputs.
Check that the
LINKUP value is 1, that is, the communication is working. When the
value is 0, there is no communication link.
2.
Check the communication status of the rear port X1 via the LHMI in Main menu/Tests/
Function status/Communication/DOSLAN1:1/Outputs.
The X1 communication port on the rear side of the IED is for optical Ethernet via LC
connector.
•
Check that the
LINKUP value is 1, that is, the communication is working. When the
value is 0, there is no communication link.
9.1.3.2
Checking the time synchronization
GUID-CE54512E-06E3-4255-823C-1ACA122CC67E v5
•
Select Main menu/Diagnostics/IED status/General and check the status of the time
synchronization on Time Synch.
The
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
Ready.
9.1.4
Running the display test
AMU0600411 v6
To run the display test, either use the push buttons or start the test via the menu.
•
Select Main menu/Tests/LED test.
•
Press
or simultaneously
and
.
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.
9.2
Indication messages
9.2.1
Internal faults
GUID-2ACAE73F-9CDD-4C33-AFED-6BACC8990F37 v4
When the Ready LED indicates an internal fault by flashing, the message associated with the
fault is found in the internal event list in the LHMI menu Main menu/Diagnostics/Internal
events. The message includes the date, time, description and signal state for the fault. The
internal event list is not updated dynamically. The list is updated by leaving the Internal events
menu and then selecting it again. The current status of the internal fault signals can also be
checked via the LHMI in Main menu/Diagnostics/IED status.
Different actions are taken depending on the severity of the fault. If the fault is found to be
permanent, the IED stays in internal fault mode. The IED continues to perform internal tests
during the fault situation.
When a fault appears, the fault indication message is to be recorded and stated when
requesting support or service.
Section 9
1MRK 505 293-UEN B
Troubleshooting
104
Breaker protection REQ650
Commissioning manual
© Copyright 2013 ABB. All rights reserved
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