Fault indication
Fault
code
Additional
information
Fast self-
recovery
attempt
Slow 10min
self-
recovery
(# of
attempts)
Immediate
IRF-mode
Action in permanent fault
state
If not recover by restart-
ing, replace the relay, most
probably hardware failure
in CPU module.
Internal Fault
System error
2 Start up error: SCL
file missing
No No Yes Do factory restore or re-
write configuration using
PCM600.
Internal Fault
System error
2 Start up error:
Missing order num-
ber
No No Yes Do factory restore. If not
recovered, contact your
nearest ABB representative
to check the next possible
corrective action.
Internal Fault
System error
2 Start up error:
FPGA HW error,
CPU module
Yes Yes (3) No Restart the relay. If recov-
ered by restarting, contin-
ue relay normal operation.
If not recover by restart-
ing, replace the relay, most
probably hardware failure
in CPU module.
Internal Fault
System error
2 Start up error:
FPGA image cor-
rupted, CPU mod-
ule
Yes Yes (3) No Restart the relay or if relay
SW has just been updated,
redo it. If recovered by re-
starting, continue relay nor-
mal operation. If not recov-
ered by restarting or redo-
ing SW update, replace the
relay, most probably hard-
ware failure in CPU module.
Internal Fault
System error
2 Runtime error: CPU
internal fault
Yes Yes (3) No Restart the relay. If recov-
ered by restarting, contin-
ue relay normal operation.
If not recover by restart-
ing, replace the relay, most
probably hardware failure
in CPU module.
Internal Fault
System error
2 Start up error: Card
init fault
Yes Yes (3) No Restart the relay. If recov-
ered by restarting, contin-
ue relay normal operation.
If not recovered by restart-
ing, check for example
relay's Information menu
to see which card(s) are
not shown correctly and re-
place it (them).
Internal Fault
File system er-
ror
7 Start up error or
runtime error: file
system error
Yes No Yes Restart the relay. If recov-
ered by restarting, contin-
ue relay normal operation.
If not recover by restart-
ing, replace the relay, most
probably hardware failure
in CPU module.
Internal Fault
Test
8 Internal fault test
activated manually
by the user.
No No - Just check the "Internal
fault test" -setting param-
eter position, if relay is in
test mode
Internal Fault
SW watchdog
error
10 Start up error:
Watchdog reset
has occurred too
many times within
an hour. Note! This
is different indica-
tion than Warning
No No Yes Restart the relay. If recov-
ered by restarting, contin-
ue relay normal operation.
If not recover by restarting,
replace the relay.
Table continues on the next page
1MRS759118 D Troubleshooting
REX640
Operation Manual
93
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