44
Checking the self supervision signals
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This procedure describes how to navigate the menus in order to find the reason of an
internal failure when indicated by the flashing green LED of the HMI module.
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Navigate the menus to:
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XUH
Use the
/HIW
and/or
5LJKW
arrow buttons to scroll between values.
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InternFail = OK
No problem detected.
None.
InternFail = Fail
A failure has occurred.
Check the rest of the indicated results to
find the fault.
InternWarning = OK
No problem detected.
None.
InternWarning =
Warning
A warning has been
issued.
Check the rest of the indicated results to
find the fault.
MPM-modFail = OK
No problem detected.
None.
MPM-modFail = Fail
The main processing
module has failed.
Contact your ABB representative for ser-
vice.
MPM-modWarning =
OK
No problem detected.
None.
MPM-modWarning =
Warning
There is a problem
with:
•
the real time clock.
•
the time synchroni-
zation.
Set the clock.
If the problem persists, contact your ABB
representative for service.
Summary of Contents for REL 551 2.3 Series
Page 16: ...10 Note signs KDSWHU 6DIHW LQIRUPDWLRQ ...
Page 44: ...38 Checking the binary I O circuits KDSWHU KHFNLQJ WKH H WHUQDO FLUFXLWU ...
Page 52: ...46 Checking the self supervision signals KDSWHU QHUJLVLQJ WKH WHUPLQDO ...
Page 140: ...134 Testing the interaction of the distance protection KDSWHU 7HVWLQJ WKH SURWHFWLRQ V VWHP ...
