VMP-IOMM-2018-2
Fulton Ltd
Page 71
TROUBLESHOOTING - 6
23
8/
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
present
- Check
w
iring to
see if there is a short-circuit
1
Fuel
valve
2
(V2)
leaking
(fuel
valve
1
with
valve
proving
via
X5-01)
Fo
r valve pr
oving via X5-
01 (
gas pr
essur
e s
w
itch-
m
in)
- C
he
ck
to
s
ee
if
th
e v
al
ve
o
n t
he
g
as
s
id
e i
s l
ea
ki
ng
- Check
w
iring to
see if there is a short-circuit
2
Valve
proving
not
possible
Valve proving activated, but pressure s
w
itch-m
in selected as input function for X9-04
(check
paramete
rs 238
and 241)
3
Valve
proving
not
possible
Valve proving activated, but no inp
ut assigned (check parameters 2
36 and 237
)
4
Valve
proving
not
possible
Valve proving activated, but 2 inpu
ts assigned (s
et paramete
r 237 to
pressure s
w
itch-
m
ax or
PO
C)
5
Valve
proving
not
possible
Valve proving activated, but 2 inpu
ts assigned (check parameters 2
36 and 237
)
81
V1
leaking
Check to see if the valve on the g
as side is
leaking
Check w
iring to s
ee if there is an o
pen-circuit
83
V2
leaking
C
he
ck
to
s
ee
if
th
e v
al
ve
o
n t
he
b
ur
ne
r s
id
e i
s l
ea
ki
ng
Check to see if the pressure s
w
itch for the l
eakag
e test is closed w
hen gas pressur
e is present
Check w
iri
ng for
shor
t-cir
cuit
14 #
POC
0
POC ope
n
Check to see if the valve’s c
losin
g contact is close
d
1
POC
close
Check w
iring
Check to see if the valve’s closin
g contact opens w
hen valve is co
ntrolled
64
POC ope
n – pr
ev
ention of startup
Check w
iring to s
ee if there is a line interruption.
Check to see if the valve’s c
losin
g contact is close
d
19
80
Combustion pres
sure, POC
– star
t prevention
Check to see if pr
essur
e s
w
itch has clo
sed w
ith no
combustion pressure present
Check w
iri
ng for
shor
t-cir
cuit
20
#
Pressure s
w
itch-min
(Pmi
n)
0
No
m
inim
u
m
g
a
s
/
oil
pressure
Check w
iring fo
r line interruption
1
G
a
s
s
h
o
rt
a
g
e
/
p
re
v
e
n
ti
o
n
o
f
s
ta
rt
u
p
Check w
iring fo
r line interruption
21
0
Pressure
switch-m
ax
(P
m
ax
):
M
ax.
gas
/ oil
pressure
exceeded
Check w
iring to s
ee if there is a line interruption.
22
OF
F S
#
Sa
fe
ty
lo
op
/ burn
er f
la
ng
e
0
Safety
loop
/
bur
ner
flange
o
p
en
1
Safety
loop
/
bur
ner
flange
op
en
- prevention
of
sta
rtup
3
Safety
loop/burn
er
flange,
extr
a
n
eous
light
–
start
prevention
5
Safety loop/burn
er flange, air p
re
ssure – start pre
vention
1
7
S
a
fe
ty
l
o
o
p
/b
u
rn
er
f
la
n
g
e
,
c
o
m
bu
s
ti
o
n
p
re
s
s
ur
e
–
s
ta
rt
p
re
v
e
n
ti
o
n
19
Safety
loop/burn
er
flange,
extra
n
eous
light,
com
b
ustion
pressure
–
s
ta
rt
p
re
v
e
n
ti
o
n
21
Safety
loo
p/burn
er
flange,
air
pr
essure,
com
bustio
n
pres
sure
–
star
t
