SERVICING
65
M
ai
n val
v
e opens
Bl
ow
er
r
uns
af
ter
30
Sec
onds
Di
s
c
ar
d ol
d I
gni
ter
/f
lame s
ens
or
As
s
em
bl
y
Repl
ac
e Smar
t
V
al
v
e.
Reus
e i
gni
tor
/f
lam
e
s
ens
or
as
s
embl
y
YE
S
S
m
a
rt
V
a
lv
e
syst
e
m
OK
C
hec
k
f
or
out
put
f
rom
gas
v
al
v
e t
o c
ont
rol
boar
d.
19.
5 v
ol
ts
m
in.
at
Bl
ue 34 wi
re
to
tr
ans
for
m
er
c
omm
on.
Repai
r/
R
epl
ac
e
har
nes
s
or
gas
v
al
v
e.
Repl
ac
e c
ont
rol
boar
d
YE
S
NO
YE
S
YE
S
Che
c
k
f
lame
pr
ovi
ng c
ir
c
ui
ts
and
gas
va
lve
Repl
ac
e I
gni
ter
/f
lame
s
ens
or
as
s
em
bl
y
and
res
tar
t t
roubl
e
s
hoot
ing s
equenc
e
Does
mai
n
bur
ner
l
ight
?
c
or
rec
t uni
t
gr
oundi
ng
NO
V
er
if
y
uni
t i
s
pr
oper
ly
gr
ounded?
V
er
if
y
f
lam
es
s
ens
e c
ir
c
ui
t.
R
em
ov
e
pow
er
t
o uni
t
and m
eas
ur
e ohm
s
f
rom
pi
lot
hood t
o t
ram
s
for
m
er
c
om
m
on.
10
ohm
s
m
ax
.
YE
S
NO
Repai
r
or
c
lean pi
lot
mount
ing or
tr
ans
for
m
er
gr
oundi
ng.
YE
S
NO
C
hec
k
c
ont
rol
boa
rd
C
hec
k
pi
lot
t
o
bur
ner
al
ig
nment
.
V
er
if
y
t
hat
pi
lot
i
s
pos
it
ioned i
n
fr
ont
of
t
he
bur
ner
c
ar
ry
-ov
er
C
o
rr
e
ct
p
ilo
t
p
o
si
ti
o
n
NO
NO
NO
C
hec
k
gas
val
v
e
V
er
if
y
t
hat
pi
lot
adj
us
tm
ent
on gas
v
al
v
e
open and
adj
us
ted c
or
rec
tl
y
O
pen or
ad
jus
t gas
v
al
v
e pi
lot
NO
