ABB RELION REX640 Operation Manual page 96
Protection and control
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Also See for RELION REX640:
- Technical manual (1960 pages) ,
- Engineering manual (156 pages) ,
- Operation manual (140 pages)
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Troubleshooting
Fault
Fault indication
code
Internal Fault
-20
PO-relay(s), Slot
C
Internal Fault
-21
PO-relay(s), Slot
E
Internal Fault
-22
PO-relay(s), Slot
A2
Internal Fault
-23
PO-relay(s), Slot
B
Internal Fault
-24
PO-relay(s), Slot
D
Internal Fault
-25
PO-relay(s), Slot
F
Internal Fault
-26
PO-relay(s), Slot
G
Internal Fault
-27
PO-relay(s), Slot
A1
Internal Fault
-30
Conf. error, Slot
C
Table continues on the next page
96
Fast self-
Additional
recovery
information
attempt
Runtime error:
Yes
Faulty Power Out-
put relay(s) in card
located in slot C.
Runtime error:
Yes
Faulty Power Out-
put relay(s) in card
located in slot E.
Runtime error:
Yes
Faulty Power Out-
put relay(s) in card
located in slot A2.
Runtime error:
Yes
Faulty Power Out-
put relay(s) in card
located in slot B
Runtime error:
Yes
Faulty Power Out-
put relay(s) in card
located in slot D.
Runtime error:
Yes
Faulty Power Out-
put relay(s) in card
located in slot F.
Runtime error:
Yes
Faulty Power Out-
put relay(s) in card
located in slot G.
Runtime error:
Yes
Faulty Power Out-
put relay(s) in card
located in slot A1.
Start up error: Card
No
in slot C is wrong
type, is missing,
does not belong
to original configu-
ration or card firm-
ware is faulty.
Slow 10min
self-
recovery
Immediate
(# of
attempts)
IRF-mode
Yes (3)
No
Yes (3)
No
Yes (3)
No
Yes (3)
No
Yes (3)
No
Yes (3)
No
Yes (3)
No
Yes (3)
No
No
Yes
1MRS759118 D
Action in permanent fault
state
Check wirings. Restart the
relay. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
er by restarting, exchange
the hardware module in
slot C.
Check wirings. Restart the
relay. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
er by restarting, exchange
the hardware module in
slot E.
Check wirings. Restart the
relay. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
er by restarting, exchange
the hardware module in
slot A2.
Check wirings. Restart the
relay. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
er by restarting, exchange
the hardware module in
slot B.
Check wirings. Restart the
relay. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
er by restarting, exchange
the hardware module in
slot D.
Check wirings. Restart the
relay. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
er by restarting, exchange
the hardware module in
slot F.
Check wirings. Restart the
relay. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
er by restarting, exchange
the hardware module in
slot G.
Check wirings. Restart the
relay. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
er by restarting, exchange
the hardware module in
slot A1.
Check that the card in slot
C is proper type and prop-
erly installed. Then restart
the relay. If does not then
recover by restarting, it
is hardware module failure
most likely in question. Ex-
REX640
Operation Manual
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