<
Du
ri
n
g
R
e
g
u
la
r O
p
e
ra
ti
o
n
>
1
. F
a
n
do
e
s
n
o
t
be
g
in
ro
ta
ti
n
g
w
he
n
h
o
t
wa
te
r i
s
b
e
in
g
d
e
m
an
d
e
d
:
W
ire
c
o
lo
r
No
Erro
r
In
le
t
W
a
te
r T
e
m
p
e
ra
tu
re
i
s
t
o
o
Hi
g
h
Ch
e
c
k
i
n
le
t
wa
te
r t
e
m
p
e
ra
tu
re
CN6
3
4
W
- W
2
CN6
3
le
s
s
t
ha
n
12
2
°F
u
s
in
g
th
e
rm
is
to
r
c
h
a
ra
c
te
ri
s
ti
c
s
O
K i
f
K >
A
p
p
ro
x
.
2
9
.7
/
F
lo
w Ra
te
(G
PM
) +
i
n
le
t
wa
te
r
te
m
p
(°
F)
,
wh
e
re
K =
13
6
°F
fo
r l
e
s
s
t
ha
n
12
5
°F
te
m
p
e
ra
tu
re
s
e
tt
in
g
,
K=
Se
t
Te
m
p
(C) +
9
°F f
o
r
12
5
°F
o
r m
o
re
s
e
tt
in
g
.
Al
s
o
c
h
e
c
k
t
h
e
rm
is
to
r t
e
m
p
e
ra
tu
re
c
h
a
ra
c
te
ri
s
ti
c
s
.
2
0
Hi
g
h
L
im
it
Swi
tc
h
T
ri
gg
e
re
d
Ch
e
c
k
i
f
h
ig
h
lim
it
s
w
it
c
h
i
s
t
ri
gg
e
re
d
o
r
im
p
rop
e
rl
y
c
on
n
e
c
te
d
.
CN1
0
3
W
- W
1
2
CN1
0
1
o
r l
e
s
s
M
a
k
e
Su
re
t
h
e
re
i
s
n
o
f
la
m
e
l
e
ft
o
v
e
r i
n
t
h
e
b
u
rn
e
r.
Ch
e
c
k
f
o
r s
h
o
rt
o
r
op
e
n
c
irc
u
it.
Re
s
e
t
u
n
it
b
y
t
u
rn
in
g
p
o
we
r o
ff
an
d
o
n
.
Re
p
la
c
e
h
ig
h
lim
it
if
c
od
e
re
m
a
in
s
.
2
9
C
on
d
e
n
s
a
te
Da
ri
n
T
ra
p
(W
a
te
r
L
e
v
e
l
El
e
c
tr
od
e
)
ab
n
o
rm
a
lity
Ch
e
c
k
m
a
in
ten
a
n
c
e
m
o
n
ito
r No
.
1
9
O
FF
[
00
0
]
If
No
.1
9
i
s
O
N
[
00
1
],
c
h
e
c
k
t
h
e
f
o
llo
wi
n
g
:
Ch
e
c
k
f
o
r C
on
d
e
n
s
a
te
Da
ri
n
T
ra
p
b
lo
c
k
ag
e
.
Ch
e
c
k
f
o
r d
ra
in
p
ip
e
b
lo
c
k
ag
e
.
Ch
e
c
k
f
o
r p
ro
p
e
r c
o
n
n
e
c
ti
o
n
o
f
C
on
d
e
n
s
a
te
Da
ri
n
T
ra
p
wa
te
r l
e
v
e
l e
le
c
tr
o
d
e
.
Ch
e
c
k
f
o
r s
h
o
rt
c
irc
u
it
o
f
C
on
d
e
n
s
a
te
Da
ri
n
T
ra
p
wa
te
r
le
v
e
l e
le
c
tr
o
d
e
c
o
rd
.
If
n
o
rm
a
l v
a
lu
e
,
re
p
la
c
e
t
h
e
c
irc
u
it
bo
a
rd
.
3
1
In
le
t T
h
e
rm
is
to
r A
bn
o
rm
a
lity
Ch
e
c
k
t
h
e
re
s
is
ta
n
c
e
t
h
rou
g
h
t
h
e
t
h
e
rm
is
to
r.
Ch
e
c
k
f
o
r
op
e
n
o
r s
h
o
rt
c
irc
u
it,
o
r i
m
p
ro
p
e
r
c
on
n
e
c
ti
o
n
.
CN6
3
4
W
- W
2
CN6
3
DC 1
- 4
.5
V
Co
m
p
a
re
t
o
t
e
m
p
e
ra
tu
re
c
h
a
ra
c
te
ri
s
ti
c
l
is
t(*).
Ch
e
c
k
f
o
r
op
e
n
o
r s
h
o
rt
c
irc
u
it
o
r f
o
r
a
n
i
m
p
ro
p
e
r c
on
n
e
c
ti
o
n
.
3
2
O
u
tl
e
t T
h
e
rm
is
to
r A
bn
o
rm
a
lity
Ch
e
c
k
t
h
e
re
s
is
ta
n
c
e
t
h
rou
g
h
t
h
e
t
h
e
rm
is
to
r.
C
h
e
c
k
f
o
r
op
e
n
o
r s
h
o
rt
c
irc
u
it,
o
r i
m
p
ro
p
e
r
c
on
n
e
c
ti
o
n
.
CN
6
3
1
W
- W
2
CN6
3
DC 1
- 4
.5
V
Co
m
p
a
re
t
o
t
e
m
p
e
ra
tu
re
c
h
a
ra
c
te
ri
s
ti
c
l
is
t(*).
Ch
e
c
k
f
o
r
op
e
n
o
r s
h
o
rt
c
irc
u
it
o
r f
o
r
a
n
i
m
p
ro
p
e
r c
on
n
e
c
ti
o
n
.
3
3
H
e
a
t
Ex
c
ha
n
g
e
r T
h
e
rm
is
to
r A
bn
o
rm
a
lity
Ch
e
c
k
t
h
e
re
s
is
ta
n
c
e
t
h
ro
u
g
h
t
h
e
t
h
e
rm
is
to
r.
Ch
e
c
k
f
o
r
op
e
n
o
r s
h
o
rt
c
irc
u
it,
o
r i
m
p
ro
p
e
r
c
on
n
e
c
ti
o
n
.
CN6
3
3
W
- W
2
CN6
3
DC 1
- 4
.5
V
Co
m
p
a
re
t
o
t
e
m
p
e
ra
tu
re
c
h
a
ra
c
te
ri
s
ti
c
l
is
t(*).
Ch
e
c
k
f
o
r
op
e
n
o
r s
h
o
rt
c
irc
u
it
o
r f
o
r
a
n
i
m
p
ro
p
e
r c
on
n
e
c
ti
o
n
.
7
0
Ci
rc
u
it
bo
a
rd
A
bn
o
rm
a
lity
De
te
c
ti
o
n
o
f
c
ir
c
u
it
b
o
a
rd
a
b
n
o
rm
a
lity
.
Di
s
c
on
n
e
c
t
th
e
e
le
c
tri
c
a
l
p
o
we
r,
th
e
n
re
c
on
n
e
c
t
e
le
c
tri
c
a
l
p
o
we
r t
o
t
h
e
wa
te
r
he
a
te
r t
o
re
s
e
t
th
e
s
y
s
te
m
.
If
th
e
c
irc
u
it
bo
a
rd
ab
n
o
rm
a
lity
i
s
c
o
n
ti
nu
o
u
s
,
re
p
la
c
e
th
e
c
irc
u
it
bo
a
rd
.
7
1
G
a
s
So
len
o
id
Va
lv
e
Dri
v
e
Ci
rc
u
it
Ab
n
o
rm
a
lity
Ch
e
c
k
f
o
r
d
a
m
ag
e
t
o
t
h
e
g
a
s
s
o
len
o
id
v
a
lv
e
d
ri
v
e
c
irc
u
it
o
n
t
h
e
c
irc
u
it
b
o
a
rd
.
Di
s
c
o
n
n
e
c
t
th
e
e
le
c
tri
c
a
l
p
o
we
r, t
h
e
n
re
c
o
n
n
e
c
t
e
le
c
tri
c
a
l
p
o
we
r t
o
t
h
e
wa
te
r
he
a
te
r t
o
re
s
e
t
th
e
s
y
s
te
m
.
If
th
e
e
rro
r c
o
d
e
"
7
1
" i
s
c
o
nti
nu
o
u
s
,
re
p
la
c
e
t
h
e
c
irc
u
it
bo
a
rd
.
1
B
L
-
B
u
rn
e
rc
a
s
e
G
ND
1
0
k
Hz
-
10
0
k
Hz
1
B
L
-
E
le
c
tr
o
d
e
F
la
m
e
R
o
d
DC 0
.4
5
μ
A o
r l
e
s
s
2
.
F
a
n
ro
ta
te
s
n
o
rm
a
lly
,
b
u
t
n
o
f
la
m
e
i
g
n
ite
s
o
n
t
h
e
b
u
rn
e
r:
W
ire
c
o
lo
r
g
n
ite
r
Ch
e
c
k
p
ri
m
a
ry
g
a
s
s
o
len
o
id
v
a
lv
e
CN1
0
5
W
- BL
6
CN1
0
DC 1
4
-
1
6
V
G
a
s
So
len
o
id
Va
lv
e
t
y
p
ic
a
l re
s
is
ta
n
c
e
:
1
9
-
3
1
Ch
e
c
k
g
a
s
s
o
len
o
id
v
a
lv
e
- 1
CN1
0
9
BK - BL
6
CN1
0
DC
1
4
- 1
6
V
G
a
s
So
len
o
id
Va
lv
e
t
y
p
ic
a
l re
s
is
ta
n
c
e
:
3
6
-
5
8
Ch
e
c
k
g
a
s
p
ro
p
o
rti
o
n
in
g
v
a
lv
e
CN1
0
1
7
R - BL
6
CN
1
0
1
DC 0
.3
-
1
5
V
Cu
rr
e
n
t
v
a
lu
e
c
ha
n
g
e
s
dep
e
nd
in
g
o
n
t
h
e
l
oa
d
.
Pr
op
o
rti
o
n
in
g
v
a
lu
e
re
s
is
ta
n
c
e
:
5
0
-
8
0
Ig
n
iti
o
n
F
a
ilu
re
1
1
CN & Pi
n
No
.
CN & Pi
n
No
.
Erro
r
Co
d
e
Ci
rc
u
it
bo
a
rd
C
h
e
c
k
p
o
in
ts
Erro
r
Co
d
e
7
2
Fl
a
m
e
Ro
d
A
bn
o
rm
a
lity
(Fl
a
m
e
d
e
te
c
te
d
w
h
e
n
n
o
f
la
m
e
p
re
s
e
n
t)
M
e
a
s
u
re
t
h
e
c
u
rre
n
t f
ro
m
t
h
e
f
la
m
e
ro
d
w
he
n
t
h
e
re
i
s
n
o
f
la
m
e
.
Ch
e
c
k
f
o
r a
g
ro
u
n
d
f
a
u
lt.
CN7
8
If
th
e
"
7
2
" e
rro
r c
o
d
e
i
s
d
is
p
la
y
e
d
,
c
h
e
c
k
t
h
e
s
ign
a
l
fro
m
t
h
e
f
la
m
e
ro
d
(a
ls
o
m
a
k
e
s
u
re
t
h
a
t
th
e
re
i
s
n
o
t
a
p
ro
b
le
m
wi
th
t
h
e
g
ro
u
nd
in
g
o
f
th
e
a
p
pl
ia
n
c
e
).
If
th
e
s
ign
a
l
is
n
o
rm
a
l,
re
p
la
c
e
t
h
e
c
irc
u
it
bo
a
rd
.
If
it
is
ab
n
o
rm
a
l,
r
e
p
la
c
e
t
h
e
f
la
m
e
ro
d
.
Ci
rc
u
it
bo
a
rd
C
h
e
c
k
p
o
in
ts
CN & Pi
n
No
.
-
CN & Pi
n
No
.
*I
n
le
t
/
Ou
tl
e
t
/ H
e
a
t
E
x
c
h
a
n
g
e
r
T
h
e
rmi
s
to
r
T
e
mp
e
ra
tu
re
C
h
a
ra
c
te
ri
s
ti
c
s
T
e
mp
e
ra
tu
re
(
°F
)
3
2
5
0
6
8
8
6
1
0
4
1
2
2
1
4
0
1
5
8
1
7
6
T
e
mp
e
ra
tu
re
(
°C
)
0
1
0
2
0
3
0
4
0
5
0
6
0
7
0
8
0
R
e
s
is
ta
n
c
e
(
k
)
2
3
.7
1
5
.5
1
0
.3
7
.0
4
.9
3
.5
2
.5
1
.9
1
.4
Possible Cause
Possible Cause
Checkpoint
Checkpoint
Normal Value
Normal Value
How to fix error and reset unit
How to fix error and reset unit
Igniter Failure
CN197 1 Bk - BL 3 CN102 DC 14 - 16 V Replace
27
Ω
Ω
Ω
Ω
Ω
Summary of Contents for EN18WI30LS
Page 8: ...EN19WI30LS EP19WI30LS 8 ...