Monitoring possible causes Error response Message (F.No) Device
1 A/5 A-setting Jumper setting 1/5 A wrong Indications:
Protection out of opera-
tion
Error1A/
5Awrong
(192)
Error A/D-
conv.
(181)
LED “ERROR”
DOK
2)
drops out
Calibration data Internal (EEPROM or RAM) Indication:
Using default values
Alarm adjustm.
(193)
As allocated
ADC offset Internal (ADC) Indication
Error Offset
(191)
As allocated
Earth current trans-
former sensitive/insen-
sitivity
I/O-BG does not comply the
order number MLFB of the
device
Indications:
Protection out of opera-
tion
Error
neutralCT
(194)
Error A/D-
conv.
(181)
LED “ERROR”
DOK
2)
drops out
Modules Module does not comply
with ordering number
Indications:
Protection out of opera-
tion
“Error Board
BG1...7” (FNo.
183 ... 189)
and if applicable
Error A/D-
conv.
. (181)
DOK
2)
drops out
Current sum Internal (measured value
acquisition)
Indication
Failure Σ I
(162)
As allocated
Current Symmetry External (power system or
current transformer)
Message
Fail I balance
(163)
As allocated
Fail Conductor External (power system or
current transformer)
Message
Fail Conductor
(195)
As allocated
Voltage sum Internal (measured value
acquisition)
Message
Fail Σ U Ph-E
(165)
As allocated
Voltage Symmetry External (power system or
voltage transformer)
Message
Fail U balance
(167)
As allocated
Voltage Phase
Sequence
External (power system or
connection)
Message
Fail Ph. Seq.
(171)
As allocated
Voltage failure, three-
phase“Fuse-Failure-
Monitor”
External (power system or
connection)
Message
Undervoltage protec-
tion is blocked
VT Fuse-
Fail>10s
(169)
As allocated
Voltage failure, single
and two-phase “Fuse-
Failure-Monitor”
External (voltage trans-
formers)
Message
Undervoltage protec-
tion is blocked
VT Fuse-
Fail>10s
(169)
As allocated
Voltage failure, three-
phase
External (power system or
connection)
Message
Undervoltage protec-
tion is blocked
Fail U absent
(168)
As allocated
Trip Circuit Supervision External (trip circuit or
control voltage)
Message
FAIL: Trip
cir.
(6865)
As allocated
1)
after three unsuccessful restarts, the device is taken out of service.
2)
DOK = “ Device OK” = Break contact of the readiness relay = Life contact
Setting Notes
General
The sensitivity of the measured value monitoring can be changed. Experiential values set ex works are
adequate in most cases. If particularly high operational asymmetries of the currents and/or voltages are
2.7.1.6
Functions
2.7 Monitoring Functions
SIPROTEC 4, 7VK61, Manual 141
C53000-G1176-C159-5, Edition 05.2018
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