VMP-IOMM-2018-2
Fulton Ltd
Page 76
TROUBLESHOOTING - 6
24
3/
25
4
Bu
ildi
ng
T
ec
hn
olo
gie
s D
iv
ision
Ba
sic
d
oc
umen
tat
ion
LMV
26.
..
C
C
1P
754
7en
30 E
rror
c
od
e li
st
20.
04.
20
16
Er
ro
r c
od
e
Diagn
osti
c co
de
Meaning for the
LMV26... s
ys
te
m
Reme
dy
Bit
4
Valency
16
Interrup
tion
of
sp
eed
signal
No speed detect
ed in spite of control.
1. Check if the motor tur
ns.
2. Check
if the speed senso
r delivers a
si
gnal
(L
E
D
/ ch
ec
k d
is
ta
nc
e f
ro
m
th
e s
en
so
r d
is
k)
.
3. Check w
iring
of the VSD.
Bit
5
Valency
32
Quick
shutdown
due
to
excessive
speed
deviation
Speed deviation w
as fo
r about
1 s >10% outside th
e anticipated ran
ge.
1. Check ramp ti
mes of the LMV2
6... and VSD.
2. Check w
iring
of the VSD.
84
#
Cur
ve sl
ope a
ct
uators
Bit
0
Valency
1
VSD:
Curve
too
steep
in
ter
m
s
of
ra
m
p
speed
Check speed differential bet
w
een
the curvepoints and the modulatin
g operating
ramp
setting
(parame
ter 54
4).
1. Modulating op
erating ramp
32
seconds
Curve slope max. 10% fo
r LMV2 r
amp of 20 secon
ds (20% fo
r 10 s
econds or 40%
for 5
seconds)
2. Modulating op
erating ramp
48
seconds
Curve slope max. 10% fo
r LMV2 r
amp of 30 secon
ds (20% fo
r 15 s
econds or 30%
for 10
seconds)
3. Modulating op
erating ramp
64
seconds
Curve slope max. 10% fo
r LMV2 r
amp of 40 secon
ds (20% fo
r 20 s
econds or 40%
for 10
seconds)
→
Bet
w
een th
e ignition point (P0)
and the lo
w
-fi
re
point (P1), the
speed change in m
odulating
mode ma
y
be a maximum
of
40%, indepe
nde
nt of the LMV2…
ramp.
2. Setting of the
VSD ramp must
be about 20
% sh
orter th
an the
ra
mps in the basic
unit
(param
eters 5
22 and 523
)
Bit
1
Valency
2..3
Fu
el
a
ct
ua
to
r:
C
ur
ve
to
o
st
ee
p
in
te
rm
s
of
ra
m
p
ra
te
Check position differential bet
w
ee
n the curv
epoints and the modulati
ng operating
ram
p setting
(parame
ter 54
4).
1. Modulating op
erating ramp
32
seconds
The slope of the
curve ma
y be a
maximum position change of 31
° (
15° for S
Q
M33.6
and 9° fo
r
SQM33.7
) bet
w
een 2 curve points in modulating mode.
2. Modulating op
erating ramp
64
seconds
The slope of the
curve ma
y be a
maximum position change of 62
° (
30° for S
Q
M33.6
and 18° fo
r
SQM33.7
) bet
w
een 2 curve points in modulating mode.
Bit
2
Valency
4..7
Air actuator: Cu
rv
e too steep in term
s of
ra
m
p
rate
Check position differential bet
w
ee
n the curv
epoints and the modulati
ng operating
ram
p setting
(parame
ter 54
4).
1. Modulating op
erating ramp
32
seconds
The slope of the
curve ma
y be a
maximum position change of 31
° (
15° for S
Q
M33.6
and 9° fo
r
SQM33.7
) bet
w
een 2 curve points in modulating mode.
2. Modulating op
erating ramp
64
seconds
The slope of the
curve ma
y be a
maximum position change of 62
° (
30° for S
Q
M33.6
and 18° fo
r
SQM33.7
) bet
w
een 2 curve points in modulating mode.
