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C
o
ntin
u
e
d
)
C
o
ntin
u
e
d
Y
es
After
rep
l
a
cing
the
m
a
in
P
B
A
a
n
d
resetting
the
p
o
wer
,
chec
k
e
v
erything
is
n
o
rm
a
l
.
C
o
nnect
the
p
o
wer
s
u
pp
l
y
.
(S
witch
o
ff
p
o
wer
t
o
the
termin
a
l b
o
x!
)
1
.
C
o
nnect
the
p
o
wer
s
u
pp
l
y
.
2
.
Chec
k
whether
the
p
o
wer
o
f
the
o
u
t
doo
r
u
nit
is
s
u
pp
l
ie
d
b
y
p
o
wering
o
n
the
termin
a
l b
o
x
.
N
o
N
o
Chec
k
the
p
o
wer
p
a
rts
.
(S
witch
o
ff
p
o
wer
t
o
the
termin
a
l
b
o
x b
ef
o
re
inspecti
o
n
!
)
1
.
I
s
there
a
f
a
ul
t
with
a
f
u
se
??
(S
h
o
rt
-
N
o
rm
a
l,
Open
-F
a
ul
t)
2
.
W
hen
the
b
ri
d
ge
d
i
od
e
is
me
a
s
u
re
d
with
+, -
(
o
u
tp
u
t
v
o
l
t
a
ge)
,
do
es
the
v
o
l
t
a
ge
e
x
cee
d
2
9
0
V
d
c
?
3
.
I
s
the
p
o
wer
s
u
pp
l
y
v
o
l
t
a
ge
12V?
4
.
I
s
there
a
f
a
ul
t
with
a
f
u
se
o
f
E
M
I
P
B
A
?
(S
h
o
rt
-
N
o
rm
a
l,
Open
-F
a
ul
t)
F
a
n
M
o
t
o
r
C
o
nnect
o
r
After
sep
a
r
a
ting
a
n
d
resetting
the
p
o
wer
,
chec
k
e
v
erything
is
n
o
rm
a
l
.
(S
ep
a
r
a
te
the
c
o
nnect
o
r
a
fter
t
u
rning
o
ff
the
p
o
wer
o
f
the
termin
a
l b
o
x!
W
hen
d
et
a
ching
a
n
d
a
tt
a
ching
the
c
o
nnect
o
r
d
u
ring
p
o
wer
s
u
pp
l
y
,
the
m
o
t
o
r
c
a
n
b
e
da
m
a
ge
d.
)
͑
ױ͑
I
f
it
is
n
o
rm
a
l,
rep
l
a
ce
the
f
a
n
m
o
t
o
r
.
Fu
se
F
a
n
M
o
t
o
r
C
o
nnect
o
r
12V
p
o
wer
Fu
se
B
ri
d
ge
Di
od
e
E
M
I
P
B
A
Fu
se
O
u
t
doo
r
m
a
in
P
B
A
chec
k
ing
p
a
rt
O
u
t
doo
r
in
v
erter
P
B
A
chec
k
ing
p
a
rt
O
u
t
doo
r
E
M
I
P
B
A
chec
k
ing
p
a
rt