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1MRK 511 366-UUS -
Section 13
13.1
13.1.1
13.1.1.1
13.1.2
13.1.2.1
Commissioning manual
Troubleshooting
Checking the self supervision signals
Checking the self supervision function
Determine the cause of an internal failure
This procedure describes how to navigate the menus in order to find the cause of an
internal failure when indicated by the flashing green LED on the HMI module.
Procedure
1.
Display the general diagnostics menu.
Navigate the menus to:
Diagnostics/IED status/General
2.
Scroll the supervision values to identify the reason for the failure.
Use the arrow buttons to scroll between values.
Self supervision HMI data
General IED status
The following table shows the general IED status signals.
Table 13:
Signals from the General menu in the diagnostics tree.
Indicated result
Possible reason
Internal fail Off
No problem detected.
Internal fail On
A failure has occurred.
Internal warning Off
No problem detected.
Internal warning On
A warning has been
issued.
Time synch Ready
No problem detected.
Time synch Fail
No time synchronization.
Table continues on next page
Troubleshooting
Proposed action
None.
Check the rest of the indicated results to find the
fault.
None.
Check the rest of the indicated results to find the
fault.
None.
Check the synchronization source for problems.
If the problem persists, contact your ABB
representative for service.
Section 13
173
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