5
.
F
a
n
d
o
e
s
n
o
t
b
e
g
in
ro
ta
ti
n
g
,
o
r
th
e
f
a
n
ro
ta
ti
o
n
i
s
a
b
n
o
rm
a
l
w
h
e
n
h
o
t
w
a
te
r
is
b
e
in
g
d
e
m
a
n
d
e
d
:
W
ire
c
o
lo
r
4
BR
-
BL
2
D
C
7
-
4
5
V
1
R
-
BL
2
D
C
1
0
-
1
4
V
3
Y
-
BL
2
1
0
0
H
z
-
4
0
0
H
z
<
D
u
ri
n
g
R
e
g
u
la
r
O
p
e
ra
ti
o
n
>
6
.
T
e
m
p
e
ra
tu
re
c
o
n
tro
l
p
ro
b
le
m
:
W
ire
c
o
lo
r
N
o
In
d
ic
a
ti
o
n
G
a
s
s
u
p
p
ly
p
re
s
s
u
re
o
r
m
a
n
if
o
ld
p
re
s
s
u
re
a
b
n
o
rm
a
lit
y
C
h
e
c
k
g
a
s
s
u
p
p
ly
a
n
d
m
a
n
if
o
ld
p
re
s
s
u
re
s
.
2
3
W
-
O
1
6
D
C
1
-
1
6
V
D
u
ri
n
g
O
p
e
ra
ti
o
n
.
2
3
W
-
G
1
8
D
C
1
-
1
6
V
D
u
ri
n
g
O
p
e
ra
ti
o
n
.
2
3
W
-
V
2
0
D
C
1
-
1
6
V
D
u
ri
n
g
O
p
e
ra
ti
o
n
.
2
3
W
-
BK
2
4
D
C
1
-
1
6
V
D
u
ri
n
g
O
p
e
ra
ti
o
n
.
6
Y
-
BL
1
7
D
C
1
V
o
r
le
s
s
W
h
e
n
v
a
lv
e
i
s
f
u
lly
o
p
e
n
.
2
3
W
-
O
2
5
D
C
1
-
1
6
V
D
u
ri
n
g
O
p
e
ra
ti
o
n
.
2
3
W
-
G
2
6
D
C
1
-
1
6
V
D
u
ri
n
g
O
p
e
ra
ti
o
n
.
2
3
W
-
V
2
7
D
C
1
-
1
6
V
D
u
ri
n
g
O
p
e
ra
ti
o
n
.
2
3
W
-
BK
2
8
D
C
1
-
1
6
V
D
u
ri
n
g
O
p
e
ra
ti
o
n
.
1
0
Y
-
BL
1
7
D
C
1
V
o
r
le
s
s
W
h
e
n
v
a
lv
e
i
s
f
u
lly
o
p
e
n
.
C
h
e
c
k
t
h
e
re
s
is
ta
n
c
e
o
f
th
e
o
u
tl
e
t
th
e
rm
is
to
r.
C
N
6
3
1
W
-
W
2
C
N
6
3
D
C
1
-
4
.5
V
1
.
If
t
h
e
h
e
a
t
e
x
c
h
a
n
g
e
r
th
e
rm
is
to
r
te
m
p
.
is
2
1
0
°F
a
n
d
o
v
e
r
fo
r
o
n
e
s
e
c
o
n
d
w
it
h
th
e
a
ll
s
e
t
te
m
p
.
2
.
If
t
h
e
o
u
tl
e
t
th
e
rm
is
to
r
te
m
p
.
is
2
0
3
°F
a
n
d
o
v
e
r
fo
r
tw
o
s
e
c
o
n
d
s
w
it
h
t
h
e
s
e
t
te
m
p
.
1
7
0
°F
a
n
d
m
o
re
.
3
.
If
t
h
e
o
u
tl
e
t
th
e
rm
is
to
r
te
m
p
.
is
1
9
4
°F
a
n
d
o
v
e
r
fo
r
tw
o
s
e
c
o
n
d
s
w
it
h
t
h
e
s
e
t
te
m
p
.
le
s
s
t
h
a
n
1
7
0
°F
.
4
.
If
t
h
e
o
u
tl
e
t
th
e
rm
is
to
r
te
m
p
.
is
(s
e
t
te
m
p
.
+
1
8
°F
)
a
n
d
o
v
e
r
fo
r
2
5
s
e
c
o
n
d
s
w
it
h
th
e
s
e
t
te
m
p
.
m
o
re
t
h
a
n
1
2
2
°F
.
5
.
If
t
h
e
o
u
tl
e
t
th
e
rm
is
to
r
te
m
p
.
is
1
4
0
°F
a
n
d
o
v
e
r
fo
r
4
s
e
c
o
n
d
s
w
it
h
t
h
e
s
e
t
te
m
p
.
1
2
2
°F
a
n
d
l
e
s
s
.
T
h
e
u
n
it
w
ill
s
h
u
t
o
ff
a
n
d
a
1
6
e
rro
r
c
o
d
e
w
ill
f
la
s
h
.
C
h
e
c
k
g
a
s
p
ro
p
o
rt
io
n
in
g
v
a
lv
e
.
C
N
1
0
1
7
R
-
BL
6
C
N
1
0
1
D
C
0
.3
-
1
5
V
C
h
e
c
k
f
o
r
s
h
o
rt
o
r
o
p
e
n
c
irc
u
it
o
r
im
p
ro
p
e
r
c
o
n
n
e
c
ti
o
n
o
f
w
iri
n
g
t
o
v
a
lv
e
.
C
N
3
8
H
o
w
t
o
F
ix
Pro
b
le
m
a
n
d
R
e
s
e
t
U
n
it
1
6
Ab
n
o
rm
a
lly
H
ig
h
O
u
tp
u
t
(t
e
m
p
e
ra
tu
re
i
s
t
o
o
h
o
t)
C
N
3
8
6
5
6
6
H
e
a
t
Ex
c
h
a
n
g
e
r
F
lo
w
C
o
n
tro
l
Va
lv
e
Ab
n
o
rm
a
lit
y
By
p
a
s
s
F
lo
w
C
o
n
tro
l
Va
lv
e
Ab
n
o
rm
a
lit
y
C
h
e
c
k
h
e
a
t
e
x
c
h
a
n
g
e
r
fl
o
w
c
o
n
tro
l
v
a
lv
e
.
C
h
e
c
k
f
o
r
im
p
ro
p
e
r
c
o
n
n
e
c
ti
o
n
o
f
th
e
v
a
lv
e
.
C
h
e
c
k
t
h
a
t
th
e
b
y
p
a
s
s
f
lo
w
c
o
n
tro
l
v
a
lv
e
i
s
fu
n
c
ti
o
n
in
g
.
C
h
e
c
k
f
o
r
im
p
ro
p
e
r
c
o
n
n
e
c
ti
o
n
o
f
th
e
v
a
lv
e
.
C
N
3
8
N
o
rm
a
l
Va
lu
e
C
N
&
Pi
n
N
o
.
C
N
&
Pi
n
N
o
.
C
N
3
8
R
e
fe
r
to
"
M
a
n
if
o
ld
Pre
s
s
u
re
Ad
ju
s
tm
e
n
t
Pro
c
e
d
u
re
"
Erro
r
C
o
d
e
C
irc
u
it
b
o
a
rd
C
h
e
c
k
p
o
in
ts
F
a
n
M
o
to
r
a
b
n
o
rm
a
lit
y
C
h
e
c
k
t
h
a
t
th
e
f
a
n
i
s
ro
ta
ti
n
g
a
n
d
c
h
e
c
k
t
h
e
p
u
ls
e
f
re
q
u
e
n
c
y
f
ro
m
t
h
e
f
a
n
ro
ta
ti
o
n
a
l
fre
q
u
e
n
c
y
s
e
n
s
o
r.
C
h
e
c
k
f
o
r
im
p
ro
p
e
r
c
o
n
n
e
c
ti
o
n
o
f
th
e
f
a
n
.
C
h
e
c
k
v
o
lt
a
g
e
f
ro
m
c
irc
u
it
b
o
a
rd
.
6
1
C
o
n
fi
rm
t
h
e
m
e
a
s
u
re
d
f
a
n
s
p
e
e
d
b
y
M
a
in
te
n
a
n
c
e
M
o
n
it
o
r
(N
o
.1
0
).
If
t
h
e
f
a
n
m
o
to
r
d
o
e
s
n
o
t
ro
ta
te
,
b
u
t
v
o
lt
a
g
e
i
s
n
o
rm
a
l,
t
h
e
n
t
h
e
f
a
n
m
o
to
r
s
h
o
u
ld
b
e
re
p
la
c
e
d
.
If
t
h
e
v
o
lt
a
g
e
i
s
a
b
n
o
rm
a
l,
re
p
la
c
e
t
h
e
c
irc
u
it
b
o
a
rd
.
If
t
h
e
f
a
n
m
o
to
r
is
ro
ta
ti
n
g
a
n
d
i
f
th
e
v
o
lt
a
g
e
i
s
n
o
rm
a
l,
b
u
t
th
e
re
i
s
a
"
6
1
"
e
rro
r
c
o
d
e
,
th
e
n
t
h
e
f
a
n
m
o
to
r
s
h
o
u
ld
b
e
re
p
la
c
e
d
.
C
N
2
7
C
N
2
7
C
N
&
Pi
n
N
o
.
C
N
&
Pi
n
N
o
.
Erro
r
C
o
d
e
C
irc
u
it
b
o
a
rd
C
h
e
c
k
p
o
in
ts
H
o
w
t
o
F
ix
Pro
b
le
m
a
n
d
R
e
s
e
t
U
n
it
N
o
rm
a
l
Va
lu
e
P
o
s
s
ib
le
C
a
u
s
e
s
P
o
s
s
ib
le
C
a
u
s
e
s
C
h
e
c
k
p
o
in
t
C
h
e
c
k
p
o
in
t
29
Summary of Contents for EN18WI30LS
Page 8: ...EN19WI30LS EP19WI30LS 8 ...