On the WHMI, internal fault information is shown under Self-Supervision Status.
Figure 28: Internal fault information on Web HMI
Table 43: Internal fault indications and codes
Fault indication
Fault
code
Additional
information
Fast self-
recovery
attempt
Slow 10min
self-
recovery
(# of
attempts)
Immediate
IRF-mode
Action in permanent fault
state
Internal Fault
System error
2 Start up error:
HW/SW mismatch
No No Yes If relay SW has just been
updated, redo it. If not re-
covered, contact your near-
est ABB representative to
check the next possible
corrective action.
Internal Fault
System error
2 Start up or runtime
error: Data bus er-
ror, 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: 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-
Table continues on the next page
1MRS759142 F Basic functions
REX640
Technical Manual
101
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