GE MicroVersaTrip Plus - Chapter 3 Metering Mode; Metering Mode Overview and Operation

Micro
Versa
Trip
®
Pius
and
PM
Trip
Units
Chapter
5
.
Maintenance
and
Trouble
-
Shooting
m
Corrective
Action
Possible
Cause
Symptom
Line
current
is
below
20
%
At
least
20
%
of
the
current
sensor
rating
,
S
,
must
of
S
(
MicroVersaTrip
Plus
)
,
be
flowing
through
the
breaker
to
activate
the
display
.
If
not
,
power
the
trip
unit
with
the
Test
Kit
or
external
battery
pack
.
Check
that
the
control
power
supply
is
present
and
operational
.
1
.
The
trip
unit
display
is
blank
.
External
24
Vdc
is
absent
(
MicroVersaTrip
PM
)
.
2
.
The
trip
unit
display
Can
occur
on
Plus
style
trip
Power
the
trip
unit
with
the
Test
Kit
or
external
battery
pack
.
units
when
load
current
flashes
.
fluctuates
near
20
%
of
S
.
Replace
the
trip
unit
.
3
.
The
trip
unit
display
The
built
-
in
self
test
has
detected
an
error
.
flashes
ERR
.
Press
FUNCTION
until
STATUS
is
displayed
.
Press
SELECT
and
VALUE
together
to
clear
the
target
.
4
.
The
trip
indication
Trip
unit
is
not
in
status
target
will
not
clear
.
mode
.
i
/
A
.
j
Commnet
wires
are
shorted
Locate
and
repair
the
short
or
the
incorrect
Con
-
or
improperly
connected
.
nection
,
FPU
version
is
lower
than
Update
FPU
to
version
2.0
or
higher
.
5
.
Unit
does
not
com
-
municate
with
the
Monitor
,
POWER
LEADER
Distribution
Software
,
or
FPU
.
2.0
.
Trip
unit
address
incorrect
.
Check
that
address
assigned
to
trip
unit
,
as
in
Chapter
2
,
agrees
with
address
at
host
.
Rating
plug
value
was
defined
incorrecdy
.
Read
the
Xvalue
from
the
rating
plug
name
plate
and
enter
this
with
the
rating
plug
current
set
point
procedure
in
Chapter
2
.
Do
not
enter
the
sensor
rating
,
S
.
6
.
Current
readings
are
incorrect
.
7
.
Voltage
readings
are
incorrect
.
Potential
transformer
(
PT
)
Read
the
PT
primary
rating
from
the
PT
name
primary
voltage
was
defined
plate
and
enter
this
value
with
the
PT
primary
incorrectly
.
voltage
procedure
in
Chapter
2
.
PT
connection
was
defined
With
the
PT
connection
procedure
in
Chapter
2
,
incorrectly
.
enter
VL
-
N
for
a
wye
-
connected
PT
primary
or
VL
-
L
for
a
delta
-
connected
PT
.
Indicates
that
the
total
power
is
metered
in
kVA
.
8
.
kW
legend
is
flashing
.
Total
power
metering
.
Test
Kit
-
initiated
trip
indica
-
Clear
target
as
indicated
above
(
Symptom
4
)
.
tion
.
)
9
.
Overload
target
is
flashing
by
itself
.
•
5
•
t
27
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