90
25
IN
V
A
L
ID
M
OD
E
L
S
E
LE
CT
IO
N
O
R
SETUP
ERRO
R
–
If
st
a
tu
s
co
d
e
2
5
o
n
ly
flash
es
4
tim
es
on
po
w
e
r-
u
p
th
e
c
ont
rol
is
m
issi
n
g
its
m
odel
p
lu
g
P
L
4
and
is
def
aulti
ng
to
th
e
m
o
d
el
sel
e
ctio
n
st
o
re
d
in
me
mo
ry
.
If
sta
tu
s
cod
e
2
5
fl
a
sh
e
s
conti
n
u
ousl
y
it
c
o
uld
indi
cat
e
a
n
y
of
th
e
follo
w
ing:
-
M
od
el
pl
ug
P
L
4
is
m
issi
n
g
a
n
d
th
e
re
is
no
v
a
lid
m
o
del
sto
re
d
in
p
e
rm
a
n
ent
me
mo
ry
.
T
h
is
w
il
l
ha
pp
en
if
yo
u
for
g
e
t
to
ins
tal
l
the
m
odel
p
lu
g
P
L
4
on
a
servi
c
e
repl
a
cem
e
nt
c
ont
rol
.
-
T
herm
o
st
at
c
a
ll
w
it
h
S
W
1-1
O
N
.
-
T
herm
o
st
at
c
a
ll
w
it
h
S
W
1-6
O
N
.
-
S
W
1
-1
an
d
S
W
1
-6
bo
th
ON
.
-
T
wo
d
iff
e
re
n
t
fu
rn
a
ce
m
o
d
e
ls
twi
n
n
e
d
.
-
S
ervi
c
e
re
pla
cem
e
n
t
c
ont
rol
is
inc
orr
e
ct
.
N
e
e
d
no
n
-mod
u
la
ti
ng
bo
ar
d
w
it
h
soft
w
a
re
ve
rs
io
n
V
1
7
o
r
la
te
r.
3
1
HI
G
H
-H
EAT
P
RESSURE
S
W
IT
CH
O
R
RE
LA
Y
D
ID
N
O
T
C
LOS
E
OR
REO
PENED
-
C
h
e
ck
fo
r:
-
C
ont
rol
rel
a
y
m
a
y
be
de
fecti
v
e.
-
G
a
s
v
a
lve
is
m
is
w
ir
e
d.
-
S
ee
st
atu
s
co
de
32
.
41
B
L
O
W
E
R
M
O
T
O
R
F
A
U
LT
–
Indic
ates
th
e
b
low
er
fa
il
e
d
to
rea
ch
25
0
R
P
M
o
r
th
e
b
low
er
fa
il
e
d
to
co
mmu
n
ica
te
w
it
h
in
th
e
pres
crib
ed
tim
e
li
m
its.
T
hirt
y
sec
on
ds
afte
r
b
ein
g
tu
rn
ed
ON
or
ten
sec
on
ds
duri
ng
ste
a
d
y-
st
a
te
op
er
ati
o
n.
T
u
rn
po
wer
offand
ch
e
ck
the
foll
o
w
in
g
item
s
fi
rst
bef
ore
p
ro
c
eedi
ng
to
the
n
e
xt
step
.
-
R
ubbi
n
g
b
lo
w
e
r
w
h
eel
.
-
L
o
o
se
b
low
e
r
w
h
ee
l.
-
W
ir
in
g
fr
o
m
fur
na
ce
c
ont
rol
to
b
lo
wer
mo
to
r.
Rem
o
ve
th
e
R
th
e
rm
o
sta
t
co
nn
ecti
on
fr
om
the
fur
nac
e
c
ont
rol,
disc
on
nec
t
b
oth
con
nect
o
rs
fr
om
th
e
b
lo
w
e
r
m
ot
or
P
L
13
and
P
L1
4.
Doe
s
th
e
b
lo
w
e
r
w
he
el
tu
rn
fre
e
ly
?
R
e
pla
ce
the
blo
w
er
co
ntr
o
l
m
od
ule
a
tt
a
che
d
to
the
b
lo
wer
m
o
tor
.
F
ol
lo
w
the
in
str
u
cti
o
ns
w
it
h
the
b
lo
wer
con
tr
ol
m
o
d
u
le
to
m
a
k
e
su
re
the
entir
e
b
lo
wer
m
ot
or
do
es
not
ne
ed
to
b
e
repl
ace
d
.
T
u
rn
po
w
e
r
b
ack
o
n.
Is
th
er
e
1
15V
A
C
a
t
PL
1
4
-5
a
n
d
P
L
1
4
-4
?
Y
o
uh
a
v
ea
no
p
e
n
w
ir
eo
rb
a
d
term
in
al
o
n
eit
h
e
r
th
e
B
LA
CK
o
r
W
H
IT
E
p
ow
er
le
a
d
s
b
et
ween
the
fur
nac
e
c
ont
rol
a
n
d
th
e
blo
w
e
r
m
o
to
r.
If
yo
u
h
ave
a
po
w
e
r
c
hok
e
di
sco
n
n
e
ct
it
an
d
check
co
n
tin
u
it
y.
YE
S
YE
S
NO
NO
Is
th
er
e
1
2-V
D
C
a
t
P
L1
3-7
R
E
D
(+
)
a
n
d
PL
1
3
-1
G
R
EEN
(-
)?
YE
S
NO
Is
th
e
re
1
2
-V
D
C
a
t
P
L
3
-1
R
E
D
(+
)
a
n
d
PL
3
-2
G
REEN
(-
)?
Repla
ce
the
fu
rn
ace
con
trol
.
NO
Y
o
uh
a
v
ea
no
p
e
n
w
ir
eo
rb
a
d
term
in
al
o
n
eit
h
e
r
th
e
R
E
D
or
G
R
EEN
w
ir
e
b
e
tw
e
e
n
th
e
fur
nac
e
co
n
tr
ol
and
th
e
b
lo
w
e
r
mo
to
r.
YE
S
Is
th
er
e
5
-V
D
C
a
t
P
L
13
-16
Y
E
L
L
O
W
(+
)
and
P
L
1
3
-1
GR
E
E
N
(-
)?
Is
th
e
re
5
-V
D
C
a
t
P
L
3
-3
YE
L
L
O
W
(+
)
a
n
d
P
L
3
-2
G
R
EEN
(-
)?
NO
NO
Y
o
uh
a
v
ea
no
p
e
n
w
ir
eo
rb
a
d
term
in
al
o
n
th
e
Y
E
L
LO
W
w
ire
bet
wee
n
th
e
fur
nac
e
co
n
tr
ol
an
d
the
b
lo
wer
m
o
tor
.
YE
S
YE
S
T
h
e
v
ol
tag
e
ju
st
m
e
asu
red
sh
oul
d
b
e
ver
y
sta
b
le
an
d
sh
oul
d
n
ot
fluct
uat
e
m
o
re
tha
n
.0
2-V
D
C
.
If
th
e
v
olta
ge
fluct
uat
e
s
mo
re
th
an
th
is
ge
t
a
d
iffer
e
nt
v
o
lt
me
te
r
bef
ore
p
ro
c
eedi
n
g
.
T
u
rn
po
w
e
r
o
ff,
di
sc
on
nect
P
L1
3
and
P
L
14
fr
om
the
b
lo
wer
m
oto
r,
the
n
tur
n
po
w
e
r
b
ack
o
n
.
C
o
n
nect
a
DC
voltm
e
te
r
acro
ss
P
L
13
-1
6
B
LUE
(+
)
an
d
P
L
1
3
-1
GRE
E
N
(-
).
T
h
e
v
ol
ta
ge
sh
oul
d
b
e
n
e
a
r
0-V
D
C
but
it
w
il
l
fluct
uat
e
b
riefly
se
v
er
a
l
ti
m
e
s
a
se
co
nd
.
If
yo
u
h
a
ve
an
a
nal
o
g
voltm
e
te
r
the
ne
edl
e
w
ill
b
ri
e
fly
g
o
hi
gh
seve
ral
tim
e
s
a
sec
on
d.
If
yo
u
h
av
e
a
digital
v
oltm
e
te
r
w
ith
a
b
a
r
g
ra
p
h
it
w
ill
sho
w
a
la
rg
e
c
han
ge
in
m
a
gnit
ud
e
o
n
the
bar
g
ra
p
h
se
ve
ral
ti
m
e
s
a
sec
on
d.
If
yo
u
hav
e
a
sta
n
d
a
rd
digi
tal
v
ol
tm
et
er
it
w
ill
sh
ow
a
b
ri
effl
uc
tu
a
ti
o
n
in
v
o
lta
ge
an
d
th
e
m
a
gni
tu
de
m
a
y
v
ar
y
d
e
p
e
n
di
ng
on
the
voltm
e
te
r
u
se
d.
Does
the
v
olt
a
g
e
fluctu
a
te
as
de
scri
b
e
d
in
th
e
previ
o
u
s
st
ep?
Conn
ect
a
DC
vol
tm
e
te
r
a
c
ros
s
P
L
3
-4
B
L
UE
(+
)
a
nd
P
L
3
-2
G
R
E
E
N
(-
).
D
oes
th
e
v
o
ltag
e
fluctu
a
te
as
de
scri
be
d
two
st
eps
back
?
Y
o
u
h
av
e
a
n
o
pe
n
w
ir
e
o
r
b
ad
te
rm
inal
on
th
e
B
L
U
E
w
ire
be
tw
ee
n
the
fu
rn
a
ce
con
tr
o
l
a
n
d
the
blo
w
e
r
m
o
to
r.
NO
R
e
pla
ce
the
fu
rn
ace
con
trol
.
YE
S
Tu
rn
p
o
w
e
r
o
ff
,
re
co
nn
ec
t
P
L1
3
a
nd
P
L
14
to
the
b
lo
wer
m
oto
r,
the
n
turn
po
w
e
r
b
ack
o
n
.
C
o
n
nect
a
DC
voltm
e
te
r
acro
ss
P
L
3-
3
Y
E
L
LO
W
(+
)
an
d
P
L
3
-2
G
R
E
E
N
(-
).
D
o
e
s
th
e
v
o
lta
g
e
fl
u
ct
u
a
te
m
o
re
th
a
n
it
did
in
the
pr
evio
us
st
ep
?
NO
YE
S
YE
S
NO
R
e
pla
ce
the
blo
w
er
co
ntr
o
l
m
od
ule
a
tt
a
che
d
to
the
b
lo
wer
m
o
tor
.
F
ol
lo
w
the
in
str
u
cti
o
ns
w
it
h
the
b
lo
wer
con
tr
ol
m
o
d
u
le
to
m
a
k
e
su
re
the
entir
e
b
lo
wer
m
ot
or
do
es
not
ne
ed
to
b
e
repl
ace
d
.
A11326C
Troubleshooting Guide (Continued)
