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1MRK 504 165-UEN Rev. K
Section 15
15.1
Checking the self supervision signals
15.1.1
Checking the self supervision function
15.1.1.1
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.
15.1.2
Self supervision HMI data
15.1.2.1
General IED status
The following table shows the general IED status signals.
Table 42:
Indicated result
Internal fail Off
Internal fail On
Internal warning Off
Internal warning On
Time synch Ready
Time synch Fail
Real time clock Ready
Real time clock Fail
ADC-module OK
ADC-module Fail
(Protocol name) Ready
Table continues on next page
Transformer protection RET670
Commissioning manual
Troubleshooting
Signals from the General menu in the diagnostics tree.
Possible reason
No problem detected.
A failure has occurred.
No problem detected.
A warning has been
issued.
No problem detected.
No time synchronization.
No problem detected.
The real time clock has
been reset.
No problem detected.
The AD conversion
module has failed.
No problem detected.
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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 Hitachi Power grids
representative for service.
None.
Set the clock.
None.
Contact your Hitachi Power grids representative for service.
None.
Section 15
Troubleshooting
IP1474-1 v2
IP1473-1 v1
M11657-2 v2
IP1472-1 v2
GUID-A84F3903-8A70-47D6-8613-AD7FF8BA3AEC v1
M11656-1 v3
291
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