I-40 Manual and Spark Ignition
Owner’s Manual • I-40
27
P
ro
b
le
m 1
H
ea
te
r d
oe
s n
ot l
ig
ht
P
ro
b
le
m 2
Fl
am
e b
ur
ni
ng b
ey
on
d
ou
te
r c
on
e o
r l
az
y
fl
ame
A
re a
ll f
ue
l s
up
pl
y v
al
ve
s t
o
hea
ter
open
?
O
pe
n a
ll f
ue
l s
up
pl
y v
al
ve
s.
Pr
ov
id
e 5 P
SI
G
g
as p
re
ss
ur
e.
Tu
rn t
he
rm
os
ta
t u
p t
o i
ts m
ax
i-
m
um s
et
po
in
t.
Is
p
ro
pe
r g
as p
re
ss
ur
e
su
pp
lie
d t
o t
he z
on
e p
an
el
or
hea
ter
?
Pr
ov
id
e 5 P
SI
G
g
as p
re
ss
ur
e.
C
le
an
th
e
he
at
er
a
nd
fi
lter
.
H
av
e h
ea
te
r a
nd
fi
lter
been
proper
ly
c
leaned
?
Ti
gh
te
n t
he b
ur
ne
r n
ut
s.
Is
p
ro
pe
r g
as p
re
ss
ur
e
su
pp
lie
d t
o t
he z
on
e p
an
el
or
hea
ter
?
Is
th
er
m
os
ta
tic
h
ea
d s
et t
o
ma
ximum
?
Is
there
air
or
a
blockage
in
th
e g
as h
os
e o
r g
as p
ip
in
g?
R
emo
ve
blockage
with
c
om
-
pr
es
se
d a
ir o
r r
ep
la
ce t
he g
as
ho
se
o
r p
ip
e s
ec
tio
n.
B
le
ed o
ff
an
y a
ir f
ro
m
th
e g
as l
in
e.
R
em
ov
e t
he o
ri
fi
ce
s.
C
le
an w
ith
a s
of
t b
ru
sh
or
c
ompressed
air
.
C
le
an t
he h
ea
te
r.
C
le
an t
he h
ea
te
r.
A
re t
he o
ri
fi
c
es p
lu
gg
ed o
n
the
inside
or
out
side
?
Is
there
a
blockage
in
the
ai
r h
ou
si
ng o
r v
en
tu
ri t
ub
e?
Is
th
e i
nn
er
c
om
bu
st
io
n
co
ne
p
lu
gg
ed
?
D
ef
ec
tiv
e s
af
et
y c
on
tro
l
va
lv
e.
R
ep
la
ce t
he s
af
et
y
co
nt
ro
l va
lv
e.
No
No
No
No
No
No
No
No
No
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s
Ye
s