Fault indication Fault
code
Additional
information
Fast self-
recovery
attempt
(# of
attempts)
Slow 10
min self-
recovery
(# of
attempts)
Immediate
permanen
t IRF-
mode
Action in permanent fault state
Internal Fault
FPGA error
83 Runtime error: Error
in the FPGA on the
CPU module.
Yes (2) Yes (3) No Restart the relay. If recovered by restart-
ing, continue relay normal operation. If
not recover by restarting, replace the re-
lay, most probably hardware failure in
CPU module.
Internal Fault
RTC error
84 Start up error: Error
in the RTC on the
CPU module.
Yes (2) Yes (3) No Restart the relay. If recovered by restart-
ing, continue relay normal operation. If
not recover by restarting, replace the re-
lay, most probably hardware failure in
CPU module.
Internal Fault
RTD card er-
ror,X105
90 Runtime error: RTD
card located in slot
X105 may have per-
manent fault. Tem-
porary error has oc-
curred too many
times within a short
time.
Yes (2) Yes (3) No Restart the relay. If recovered by restart-
ing, continue relay normal operation. If
not recover by restarting, exchange the
RTD hardware module in slot X105.
Internal Fault
RTD card er-
ror,X110
94 Runtime error: RTD
card located in slot
X110 may have per-
manent fault. Tem-
porary error has oc-
curred too many
times within a short
time.
Yes (2) Yes (3) No Restart the relay. If recovered by restart-
ing, continue relay normal operation. If
not recover by restarting, exchange the
RTD hardware module in slot X110.
Internal Fault
RTD card er-
ror,X130
96 Runtime error: RTD
card located in slot
X130 may have per-
manent fault. Tem-
porary error has oc-
curred too many
times within a short
time.
Yes (2) Yes (3) No Restart the relay. If recovered by restart-
ing, continue relay normal operation. If
not recover by restarting, exchange the
hardware module in slot X130.
Internal Fault
COM card error
116 Runtime error: Error
in the COM card.
Yes (2) Yes (3) No Restart the relay. If recovered by restart-
ing, continue relay normal operation. If
not recover by restarting, exchange the
communication module in slot X000.
For further information on internal fault indications, see the operation manual.
3.2.2 Warnings
In case of a warning, the protection relay continues to operate except for those
protection functions possibly affected by the fault, and the green Ready LED
remains lit as during normal operation.
Warnings are indicated with the text Warning additionally provided with the name
of the warning, a numeric code and the date and time on the LHMI. The warning
indication message can be manually cleared.
If a warning appears, record the name and code so that it can be
provided to ABB customer service.
Basic functions 1MRS757644 H
74 620 series
Technical Manual
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