F97CMN and G97CMN: Installation, Start-up, Operating and Service and Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
73
A200361
Troubleshooting Guide (continued)
4
+
1
B
LO
W
E
R
M
OT
OR
FA
ULT
–
Indic
a
tes
the
b
lo
wer
faile
d
to
reac
h
2
50
RP
M
o
r
the
b
lo
wer
faile
d
to
c
om
m
unicat
e
w
it
h
in
th
e
p
re
s
c
ri
b
ed
ti
me
limi
ts
.
T
h
ir
ty
seco
nds
aft
er
bei
ng
tur
ne
d
O
N
o
r
te
n
seco
nds
du
rin
g
st
ea
d
y
-s
tat
e
o
p
e
rati
on.
T
u
rn
po
wer
o
ff
an
d
c
h
e
ck
th
e
foll
o
w
in
g
item
s
firs
t
b
e
fo
re
pr
oce
e
di
ng
to
th
e
n
e
x
t
step.
-
R
ubbi
ng
blo
w
er
w
h
eel.
-
Loo
se
blo
w
er
whe
e
l.
-
W
ir
ing
fr
o
m
fur
na
ce
c
o
nt
rol
to
b
lo
wer
mo
to
r.
Rem
ove
th
e
R
the
rm
osta
t
c
o
n
n
e
cti
o
n
from
th
e
fur
nac
e
c
ont
rol,
disc
on
nect
bot
h
co
nn
ect
o
rs
from
th
e
b
lo
wer
m
oto
r
P
L13
an
d
P
L
14.
D
o
es
th
e
b
lo
w
e
r
w
h
e
e
l
tur
n
fr
eel
y
?
Repla
c
e
the
blo
w
er
co
ntr
o
l
m
od
ule
a
tt
a
c
he
d
to
th
e
b
lo
w
e
r
m
ot
o
r.
F
o
llow
th
e
in
s
tr
u
c
tion
s
w
ith
the
b
lo
wer
con
tr
o
l
m
od
ule
to
m
ak
e
s
ure
the
entir
e
blo
wer
m
ot
or
do
es
not
n
e
ed
to
b
e
repl
ace
d
.
T
u
rn
po
wer
b
ack
o
n.
Is
th
er
e
1
15V
A
C
at
P
L14
-5
an
d
P
L
14
-4?
Y
o
uh
a
v
ea
no
p
e
n
w
ir
eo
rb
a
d
te
rm
in
a
l
on
e
ith
er
th
e
B
L
A
C
K
or
W
H
IT
E
power
le
a
d
s
b
et
ween
the
fur
nac
e
c
ont
rol
an
d
the
b
low
er
mo
to
r.
If
y
o
u
ha
v
e
a
po
w
e
r
c
hok
e
di
sco
nn
ect
it
a
n
d
c
h
e
c
k
c
on
ti
nu
it
y
.
YE
S
YE
S
NO
NO
Is
th
er
e
1
2-V
D
C
at
P
L1
3-1
R
E
D
(+
)
an
d
P
L13
-4
GR
E
E
N
(-)
?
YE
S
NO
Is
th
er
e
1
2-V
D
C
a
t
P
L3
-1
RE
D
(+
)
a
n
d
PL
3
-2
G
REEN
(-
)?
Repla
c
e
the
fu
rn
ace
c
on
trol
.
NO
Y
o
uh
a
v
ea
no
p
e
n
w
ir
eo
rb
a
d
term
in
al
o
n
ei
the
r
the
R
E
D
or
G
R
EEN
w
ir
e
b
e
tw
e
e
n
th
e
fur
n
ac
e
c
o
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
-2
Y
E
L
LO
W
(+
)
and
P
L
1
3
-4
GR
E
E
N
(-
)?
Is
th
er
e
5
-V
DC
a
t
P
L
3-
3
Y
E
LL
O
W
(+
)
a
nd
P
L3
-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
c
o
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
ble
an
d
sh
oul
d
n
ot
fl
uct
uat
e
m
o
re
tha
n
.0
2-V
D
C
.
If
th
e
v
olta
ge
fluct
uat
es
mo
re
th
an
th
is
ge
t
a
d
iff
er
e
n
t
v
o
lt
m
e
ter
bef
ore
pr
oc
eedi
ng
.
T
u
rn
po
wer
o
ff,
disc
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
back
o
n
.
C
o
n
n
ect
a
DC
voltm
e
te
r
acro
ss
P
L
13
-3
B
L
UE
(+
)
a
nd
P
L
1
3
-4
GR
E
E
N
(-).
T
he
v
o
lt
age
sh
o
ul
d
b
e
n
ea
r
0-V
D
C
but
it
w
ill
fl
uct
u
at
e
b
riefl
y
se
ver
a
l
ti
me
s
a
se
c
o
n
d
.
If
y
ou
ha
v
e
a
n
an
a
log
voltm
e
te
r
the
ne
edl
e
w
ill
b
rie
fl
y
g
o
h
ig
h
seve
ral
tim
e
s
a
s
ec
on
d.
If
y
o
u
hav
e
a
d
ig
it
a
l
v
o
lt
m
et
er
w
it
h
a
b
ar
gr
ap
h
it
w
ill
s
h
o
w
al
a
rg
ec
h
a
n
g
e
inm
a
g
n
it
u
d
eo
nt
h
e
bar
gr
ap
h
s
eve
ral
tim
e
s
a
sec
o
n
d
.
If
y
o
u
hav
e
a
sta
n
d
a
rd
digi
tal
v
oltm
et
er
it
w
ill
s
h
ow
a
br
ief
fl
uc
tua
ti
on
in
v
o
lta
ge
an
d
th
e
m
a
gnit
ude
m
a
y
v
a
ry
de
pe
ndi
n
g
o
n
the
voltm
e
te
r
u
se
d.
Does
the
v
olt
ag
e
fl
u
ctu
a
te
as
de
scri
be
d
in
th
e
previ
o
u
s
st
ep?
Conn
ect
a
DC
voltm
e
te
r
a
c
ros
s
P
L
3
-4
B
L
UE
(+
)
and
P
L3
-2
G
R
E
E
N
(-
).
D
oes
th
e
v
o
ltag
e
fluctu
at
e
a
s
d
e
scri
be
d
two
st
eps
back
?
Y
o
uh
a
v
ea
no
p
e
n
w
ir
eo
rb
a
d
te
rm
in
a
l
o
nt
h
e
B
L
U
E
w
ire
be
tw
ee
n
the
fu
rn
a
c
e
c
on
tr
o
l
a
n
d
the
blo
w
e
r
m
o
tor.
NO
Repla
c
e
the
fu
rn
ace
c
on
trol
.
YE
S
T
urn
po
w
e
r
off,
re
c
o
n
ne
c
t
P
L
1
3
an
d
PL14
to
the
b
lo
wer
m
oto
r,
the
n
turn
po
w
e
r
back
o
n
.
C
o
n
n
ect
a
DC
voltm
e
te
r
acro
ss
P
L
3-
3
Y
E
L
LO
W
(+)
an
d
P
L
3
-2
GRE
E
N
(-).
D
o
e
s
the
v
o
lt
age
fluc
tua
te
m
o
re
th
a
n
it
did
in
the
pr
evio
us
st
ep
?
NO
YE
S
YE
S
NO
Repla
c
e
the
blo
w
er
co
ntr
o
l
m
od
ule
a
tt
a
c
he
d
to
th
e
b
lo
w
e
r
m
ot
o
r.
F
o
llo
w
th
e
in
s
tr
u
c
tion
s
w
ith
the
b
lo
wer
c
on
tr
ol
m
o
d
u
le
to
m
a
k
e
s
u
re
the
enti
re
blo
w
er
m
ot
or
do
es
not
ne
ed
to
b
e
repl
ace
d
.
9
M
ED
IU
M
P
RESSURE
S
W
IT
CH,
H
IGH
PRESSURE
S
W
IT
CH
OR
PSR
R
EL
A
Y
DI
D
N
O
T
C
L
O
S
E
O
R
R
EO
PENED
-
Check
fo
r:
-
P
S
R
rel
a
y
m
a
y
be
def
ec
ti
v
e.
-
R
efe
r
to
st
atus
co
de
#3.
10
P
O
LA
R
IT
Y
–
C
he
ck
for
c
or
rec
t
lin
e
volta
g
e
p
ol
ar
it
y
.
If
u
n
its
a
re
tw
in
ne
d,
c
h
e
c
k
for
pr
op
er
low
-v
o
lt
a
ge
(2
4
V
)
tr
an
s
for
me
r
p
ha
s
ing
.
7
L
IM
IT
C
IRCU
IT
LOCKOUT
–
L
o
ck
out
occu
rs
if
th
e
lim
it
or
flam
e
roll
out
s
w
itc
h
is
ope
n
lo
ng
er
tha
n
3
m
inut
es
or
10
succe
ssive
lim
it
trip
s
oc
cur
re
d
d
u
ri
ng
m
a
x
im
u
m
-he
at.
C
on
trol
w
ill
a
u
to
-r
ese
t
afte
r
3
ho
ur
s.
R
e
fe
r
to
s
ta
tu
s
c
o
d
e
#
4
.
8
G
AS
HEATI
N
G
L
O
C
KO
UT
–
C
o
n
tr
o
l
w
ill
N
O
T
a
u
to
re
s
e
t.
T
ur
n
o
ff
pow
er
an
d
w
a
it
5
m
inut
es
to
re
tr
y
.
C
heck
for:
-
S
tuck
close
d
g
a
s
v
alve
rel
a
y
o
n
c
on
tr
ol.
-
M
is
w
ir
e
o
r
s
hor
t
to
g
as
v
a
lve
B
LUE
w
ir
e.
4
+
2
IND
UCER
M
OT
OR
F
A
ULT
–
Indic
a
tes
the
ind
uce
r
m
o
to
r
has
no
t
s
tart
ed
w
ithin
2
0
se
c
o
n
d
s
a
fte
r
a
ca
ll
fo
r
h
ea
t,
th
e
induc
er
m
o
to
r
R
P
M
is
o
u
tsi
d
e
its
v
a
lid
ra
ng
e
o
f
o
pe
rat
ion
,
or
th
e
in
du
c
er
R
P
M
signal
w
a
s
lost
fo
r
5
sec
on
ds
d
u
ri
ng
ope
rati
o
n.
Ch
eck
fo
r:
-P
ro
p
e
r
v
e
n
t
s
iz
in
g
.
-
F
aile
d
indu
c
er
m
o
to
r.
-
R
estri
c
te
d
c
om
b
u
sti
o
n
a
ir
sup
p
ly
.
-
Im
p
ro
per
m
oto
r
w
iri
ng
.
4
+
3
L
O
W
O
R
M
E
DI
UM
P
R
E
S
S
U
R
E
S
W
IT
C
H
O
P
E
N
W
H
IL
E
M
E
D
IU
M
O
R
HIGH
PRESSURE
S
W
IT
CH
IS
CLOSED
-
C
heck
fo
r:
-
Lo
w
o
r
M
e
d
p
res
s.
s
w
it
ch
stuck
o
pe
n.
-
D
iscon
nec
ted
o
r
o
bstr
uct
ed
pr
essu
re
tubi
ng.
-
Im
p
ro
per
p
ress
u
re
s
w
itc
h
w
iring
.
-
L
ow
in
le
t
g
as
pr
e
s
su
re
(i
f
L
G
P
S
use
d
).
-
P
lugg
ed
c
o
n
d
e
n
sa
te
drai
n.
-
W
ater
in
v
en
t
p
ip
in
g,
p
o
ssi
b
le
s
a
g
g
in
g
pipe
.
