ABB RED615 Operation Manual page 87
Line differential protection and control
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1MRS756499 A
RED615
Operation Manual
An indication about the fault is shown as a message on the LHMI. The text
Internal Fault with an additional text message, a code, date and time, is shown
to indicate the fault type.
Different actions are taken depending on the severity of the fault. The IED tries to
eliminate the fault by restarting. After the fault is found to be permanent, the IED
stays in internal fault mode. All other output contacts are released and locked for the
internal fault. The IED continues to perform internal tests during the fault situation.
The internal fault code indicates the type of internal IED fault. When a fault appears,
document the code and state it when ordering the service.
A071144 V4 EN
Figure 60:
Fault indication
Table 16:
Internal fault indications and codes
Fault indication
Internal Fault
System error
Internal Fault
File system error
Internal Fault
Test
Internal Fault
SW watchdog error
Internal Fault
SO-relay(s),X100
Internal Fault
SO-relay(s),X110
Internal Fault
SO-relay(s),X130
Internal Fault
PO-relay(s),X100
Internal Fault
PO-relay(s),X110
Internal Fault
PO-relay(s),X130
Internal Fault
Light sensor error
Internal Fault
Conf. error,X000
Internal Fault
Conf. error,X100
Table continues on next page
Fault code
Additional information
2
An internal system error has occurred.
7
A file system error has occurred.
8
Internal fault test activated manually by the
user.
10
Watchdog reset has occurred too many
times within an hour.
43
Faulty Signal Output relay(s) in card
located in slot X100.
44
Faulty Signal Output relay(s) in card
located in slot X110.
46
Faulty Signal Output relay(s) in card
located in slot X130.
53
Faulty Power Output relay(s) in card
located in slot X100.
54
Faulty Power Output relay(s) in card
located in slot X110.
56
Faulty Power Output relay(s) in card
located in slot X130.
57
Faulty ARC light sensor input(s).
62
Card in slot X000 is wrong type.
63
Card in slot X100 is wrong type or does not
belong to the original composition.
Section 7
Troubleshooting
79
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