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© Copyright Muuntosähkö Oy
–
Trafox
Superintend IMD
sensor recovered from a short-
circuit.
Temperature Sensor Shortcut Alarm Acknowledge
The measuring circuit of the
transformer’s temperature
sensor recovered from a short-
circuit. The alarm was
acknowledged manually.
Overload ON [
N
A][
L
A]
The overload alarm activated
with value
N
, whereas the limit
value has been
L.
Overload OFF
The overload alarm is no
longer active.
Overload Acknowledge
The overload alarm was
acknowledged manually.
Alarm Limit changed [Load] [
L1
%]->[
L2
%]
The overload limit value was
changed from
L1
to
L2.
Load Sensor Cut Alarm ON
The transformer's current
measuring circuit is cut.
Load Sensor Cut Alarm OFF
The transformer's current
measuring circuit has
recovered from an outage.
Load Sensor Cut Alarm Acknowledge
The transformer's current
measuring circuit has
recovered from an outage. The
alarm was acknowledged
manually.
Ground Failure ON
TG or MG has disconnected
from PE.
Ground Failure OFF
The connection from the
measurement connectors TG
and MG to PE is fine after a
detected outage.
Measure Failure ON
The insulation resistance
measurement cannot be
performed due to an internal
fault.
Measure Failure OFF
The insulation resistance
measurement can be
performed after an internal
fault has been corrected.
Wire Ampl Test Fail [
N
][
L
]
The Wire Test amplitude is too
low (
N
, whereas the alarm
limit is
L
) -> M1 has been
disconnected from the network
to be measured.
Wire Ampl Test OK
The Wire Test amplitude has
recovered to the correct level;
M1’s connection to the network
to be measured has been
restored.
Wire Offset Test Fail [
N
ADP][
L
ADP]
The Wire Test offset is too
small (
N
, whereas the alarm
limit is
L
) -> M1 or M2 has
been disconnected from the
network to be measured.
Wire Offset Test OK
The Wire Test offset has
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