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
EEPROM error
82 Start up error: Er-
ror in the EEPROM
memory on the
CPU module.
No 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
EEPROM error
82 Start up error: CRC
check failure in the
EEPROM memory
on boot-up on the
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
FPGA error
83 Runtime error: Er-
ror in the FPGA on
the 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
RTC error
84 Start up error: Er-
ror in the RTC on
the CPU module.
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
COM card error
116 Runtime error: Er-
ror in the COM
card.
Yes Yes (3) No Restart the relay. If recov-
ered by restarting, contin-
ue relay normal operation.
If not recover by restarting,
exchange the communica-
tion module in slot X000.
Internal Fault
SO-relay(s), Slot
C
-10 Runtime error:
Faulty Signal Out-
put relay(s) in card
located in slot C.
Yes Yes (3) No 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.
Internal Fault
SO-relay(s), Slot
E
-11 Runtime error:
Faulty Signal Out-
put relay(s) in card
located in slot E.
Yes Yes (3) No 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.
Internal Fault
SO-relay(s), Slot
A2
-12 Runtime error:
Faulty Signal Out-
put relay(s) in card
located in slot A2.
Yes Yes (3) No 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.
Internal Fault
SO-relay(s), Slot
B
-13 Runtime error:
Faulty Signal Out-
put relay(s) in card
located in slot B.
Yes Yes (3) No 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.
Table continues on the next page
1MRS759142 F Basic functions
REX640
Technical Manual
103
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