1MRK 502 073-UEN A
Section 16
16.1
16.1.1
16.1.1.1
16.1.2
16.1.2.1
Generator protection REG670 2.2 IEC and Injection equipment REX060, REX061, REX062
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 25:
Signals from the General menu in the diagnostics tree.
Indicated result
Possible reason
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
Table continues on next page
Proposed action
No problem detected.
None.
A failure has occurred.
Check the rest of the indicated results to find
the fault.
No problem detected.
None.
A warning has been
Check the rest of the indicated results to find
issued.
the fault.
No problem detected.
None.
No time synchronization.
Check the synchronization source for
problems.
If the problem persists, contact your ABB
representative for service.
No problem detected.
None.
The real time clock has
Set the clock.
been reset.
Section 16
Troubleshooting
IP1474-1 v1
IP1473-1 v1
M11657-2 v1
IP1472-1 v1
GUID-A84F3903-8A70-47D6-8613-AD7FF8BA3AEC v1
M11656-1 v2
277