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.
72
A200360
Troubleshooting Guide (continued)
1
+
2
B
L
O
W
E
RO
NA
F
T
E
R
P
O
W
E
RU
P–
(11
5
V
O
R
2
4V
)
–
No
rm
al
o
p
e
rati
o
n.
B
lower
ru
ns
for
90
s
ec
on
ds,
if
u
ni
t
is
po
w
e
re
d
u
p
duri
ng
a
c
all
for
hea
t
(R
-
W
/W
1
closed)
or
whe
n
(R
-W
/W
1
opens
)
duri
ng
the
b
lo
w
e
r
o
n-
dela
y
p
erio
d.
6+
1
IG
N
IT
IO
N
L
O
C
K
O
U
T
–S
y
s
te
m
failed
to
igni
te
gas
a
n
d
p
rov
e
flam
e
in
4
attem
p
ts.
Con
tr
ol
w
ill
aut
o
-r
ese
t
a
fte
r
3
ho
urs
.
R
efe
r
to
statu
s
co
de
#6
.
5
ABNOR
M
A
L
F
L
A
M
E
-P
ROV
IN
G
S
IGN
AL
Fl
am
e
is
p
ro
v
e
d
w
hile
gas
v
alv
e
is
de
-
ene
rgi
zed.
Indu
cer
w
ill
run
until
fa
u
lt
is
c
le
a
re
d.
C
h
e
c
k
for
:
-
S
tuck
ope
n
or
leak
y
g
a
s
val
v
e.
2
P
RESSURE
S
W
IT
CH
DI
D
N
OT
OPEN
–
Check
fo
r:
-
O
bst
ruct
e
d
p
re
ss
ur
e
tu
be.
-
P
ress
ure
s
w
itc
h
s
tu
ck
close
d
.
3
L
O
W
PRESSURE
S
W
IT
CH
DI
D
N
OT
C
L
OS
E
O
R
R
E
O
P
E
N
E
D
–
If
op
en
s
d
ur
ing
b
low
er
o
n
-d
e
lay
pe
ri
o
d
,
b
low
e
r
w
ill
c
o
m
e
on
fo
r
the
sel
e
ct
ed
blo
w
er
off
-del
a
y
.
If
ope
n
s
w
it
hin
5
m
in
u
tes
a
ft
er
igni
tion
th
e
ne
x
t
he
atin
g
c
y
c
le
w
ill
be
re
stric
ted
to
ma
x
imu
m-h
ea
t.
C
h
ec
k
fo
r:
-
P
rop
e
r
v
en
t
s
iz
in
g.
-
A
ir
leak
b
e
tw
e
e
n
v
esti
bul
e
a
n
d
b
lo
wer
com
p
a
rtm
ent
.
-
L
ow
in
le
t
g
as
pr
e
s
su
re
(i
f
L
G
P
S
u
se
d
).
-
R
estri
c
te
d
v
e
n
t.
-
Discon
nec
ted
o
r
o
bstr
uct
ed
pr
essu
re
tubi
ng.
-
D
efec
tive
or
m
is
w
ir
e
d
p
ress
u
re
s
w
it
ch
e
s
-
E
x
c
essiv
e
w
in
d
.
If
p
ro
blem
p
e
rsi
sts
tur
n
s
e
tu
ps
w
it
c
hS
W
1
-3O
N
to
b
o
o
s
t
induc
e
r
s
p
e
ed
-
P
lugg
ed
c
o
n
d
e
n
sa
te
drai
n.
-
W
ater
in
ven
t
pi
pin
g
,
p
ossi
ble
s
ag
gin
g
pipe
.
4
L
IMI
T
C
IRCU
IT
F
A
ULT
–
In
dica
tes
the
lim
it
o
r
a
flam
e
roll
o
ut
s
w
itc
h
is
op
en
or
the
fur
n
ac
e
is
o
pe
ra
ting
in
m
a
x
im
u
m
-h
e
a
t
o
nl
y
m
o
de
due
to
2
s
u
cc
essiv
e
lim
it
tri
p
s
w
h
ile
ope
rati
ng
at
an
y
ra
te
<
71%
o
f
m
a
x
im
u
m
ra
te
.
B
lo
we
r
w
ill
ru
n
for
4
m
in
.
o
r
u
ntil
o
p
en
sw
it
c
h
re
ma
ke
s
w
h
ic
h
e
v
er
is
lo
nge
r.
If
op
e
n
lo
ng
er
th
an
3
m
in
.,
co
de
c
h
a
nge
s
to
lo
ck
o
u
t
#
7.
If
o
p
e
n
le
ss
th
a
n
3
m
in
.
statu
s
co
de
#4
co
ntin
ues
to
flas
h
u
ntil
blo
w
e
r
s
h
uts
o
ff
.
F
lam
e
roll
out
s
w
itc
h
req
u
ir
es
m
a
n
ual
re
set.
Ch
eck
for
:
-
L
oo
se
blo
w
er
whe
e
l.
-
D
efec
tive
s
w
itch
o
r
co
nn
ectio
n
s.
-
Impr
o
p
e
r
mi
n
imu
m-
or
max
imu
m-h
ea
t
gas
inp
ut
a
djus
tm
ent
.
-
Im
p
ro
p
e
r
lim
it
sw
it
ch
or
no
lim
it
g
a
s
ke
t.
-
D
irt
y
filt
er
or
re
stric
te
d
d
u
ct
s
y
stem
.
T
o
det
e
rm
in
e
w
h
e
th
er
th
e
p
ro
blem
is
in
the
g
a
s
valve,
igni
ter
,
o
r
fl
am
e
s
e
n
s
o
r
the
s
y
st
e
m
can
b
e
ope
rat
ed
in
c
o
m
p
o
n
e
n
t
test
m
o
d
e.
T
o
check
th
e
ignite
r
rem
ov
e
th
e
R
th
e
rm
ost
a
t
c
on
nec
ti
o
n
from
th
e
c
o
n
tr
o
l,
re
s
et
pow
er
,
an
d
p
ut
s
e
tup
s
w
itc
h
S
W
1-6
in
the
ON
positi
on
to
s
ta
rt
the
com
po
nen
t
test.
D
o
es
the
ignit
er
glo
w
o
ran
ge
/w
h
it
e
by
th
e
e
nd
of
the
1
5
s
e
c
on
d
w
a
rm-
up
peri
od
?
Unplu
g
ig
nit
e
r
h
ar
ne
ss
fr
om
co
nt
rol
a
nd
rep
e
at
com
p
on
ent
tes
t
b
y
tu
rnin
g
s
etu
p
s
w
it
c
hS
W
1
-6O
F
F
a
n
dt
h
e
nb
a
c
k
O
N
.
C
heck
fo
r
1
1
5V
bet
w
ee
n
p
in
3
a
nd
NEUT
RAL
-L
2
o
n
th
e
c
o
n
tr
ol
.
W
as
1
1
5
V
pres
en
t
fo
r
the
15
s
ec
on
d
p
eri
od?
C
h
e
c
k
c
on
ne
c
ti
on
s
a
n
d
re
try
.
If
cu
rr
ent
is
n
ear
ty
p
ic
al
v
a
lu
e
(4.
0-6
.0
nom
in
al
)
an
d
b
urn
er
s
w
ill
not
s
ta
y
o
n,
re
p
e
at
ch
eck
in
max
imu
m-
he
a
t.
If
bu
rne
rs
w
ill
s
till
n
o
t
st
a
y
o
n
re
plac
e
cont
rol
.
If
bu
rn
ers
op
er
ate
in
ma
x
imu
m-h
ea
t
th
e
n
s
w
it
c
h
to
interm
edia
te-
h
e
a
t,
che
c
k
m
a
nifol
d
p
ress
u
re
.
If
O
K
,
c
h
e
c
k
b
ur
ne
r
c
a
rry
ov
er
an
d
flam
e
s
e
n
s
o
r
locati
on.
Clean
flam
e
se
nso
r
w
it
h
fin
e
st
eel
w
ool
and
re
c
he
ck
curr
en
t.
N
o
m
inal
c
ur
re
nt
is
4.0
to
6
.0
m
ic
ro
a
m
p
s.
Is
cu
rre
nt
ne
ar
ty
pi
c
al
v
al
ue
?
Repla
c
e
e
lect
ro
de.
W
ill
ma
in
b
u
rn
e
rs
ign
it
e
a
nd
s
tay
o
n?
R
e
pla
c
e
fur
nac
e
c
o
nt
rol.
Fi
x
e
d.
NO
YE
S
YE
S
YE
S
NO
NO
1+
5
B
L
O
W
E
R
M
O
T
O
R
L
O
C
K
O
U
T
–
In
d
ica
te
s
the
b
low
er
fa
iled
to
rea
c
h
25
0
RP
M
o
r
th
e
blo
w
e
r
fa
ile
d
to
com
m
unicat
e
w
it
hin
30
s
ec
on
ds
afte
r
bein
g
tu
rn
ed
ON
in
tw
o
s
ucces
s
ive
h
e
a
t
c
y
cles.
C
o
n
tr
ol
w
ill
aut
o
-r
es
et
afte
r
3
h
o
u
rs
.
R
e
fe
r
tos
ta
tu
sc
o
d
e#
4+
1
.
R
epl
a
c
e
fur
nac
e
c
ont
rol
.
Check
fo
r
co
nti
nuit
y
in
th
e
har
nes
s
a
nd
ignit
er.
R
e
pl
ac
e
d
e
fe
c
ti
v
e
c
o
m
po
ne
n
t.
Reco
nn
ect
the
R
th
e
rm
os
tat
lea
d
and
s
e
t
the
rm
o
sta
t
to
call
for
h
eat.
Co
nn
ect
voltm
e
te
r
a
cr
oss
gas
valv
e
B
LUE
an
d
GRE
E
N
/Y
E
LL
O
W
w
ires.
Do
es
gas
v
al
ve
recei
v
e
24V
?
D
oes
gas
v
al
v
e
ope
n
a
nd
al
lo
w
g
as
to
flo
w
?
D
ot
h
em
a
inb
u
rn
e
rs
ig
n
it
e
?
Do
th
e
m
ai
n
b
ur
ner
s
st
a
y
o
n
?
Allow
u
n
it
to
d
ro
p
to
m
in-
h
ea
t,
and
c
h
e
ck
m
a
nifol
d
p
res
sur
e
.
Repe
at
test
to
che
c
k
for
inter
m
itt
e
n
t
o
p
e
rati
o
n.
Check
th
a
t
a
ll
g
a
s
v
alves
a
re
tur
n
ed
o
n
.
R
epl
a
ce
valv
e.
C
h
e
c
k
c
on
ne
c
ti
on
s
.
If
O
K
,
repl
ace
c
o
n
tr
ol.
Check
fo
r:
-
In
a
d
e
qu
at
e
fl
a
me
ca
rry
o
v
e
r
or
rou
g
h
igni
tion
.
-
L
ow
in
le
t
g
as
pr
e
s
su
re
.
-P
ro
p
e
r
fi
ri
n
g
ra
te
.
-
A
ir
leak
ag
e
a
ro
un
d
ig
n
ite
r
brack
e
t.
Repe
at
c
a
ll
fo
r
h
e
a
t
a
nd
ch
eck
flam
e
sens
or
c
ur
re
nt
duri
ng
trial
fo
r
ig
n
it
io
n
peri
od.
Is
the
DC
m
icr
oam
ps
bel
o
w
0.5
?
YE
S
YE
S
YE
S
YE
S
YE
S
NO
NO
NO
NO
NO
NO
YE
S
6
IG
N
IT
IO
N
P
R
O
V
IN
G
F
A
IL
U
R
E
–
If
fl
a
m
e
is
not
s
en
sed
d
urin
g
the
tri
a
l
fo
r
ig
ni
ti
o
n
peri
od,
th
e
c
ont
rol
w
ill
re
pe
at
the
igni
ti
o
n
s
e
q
u
e
nc
e
3
mo
re
ti
me
s
b
ef
or
e
lo
c
k
o
u
t
#
6
+
1
o
cc
urs
.
If
flam
e
s
ig
nal
is
lost
d
u
rin
g
the
blo
w
e
r
on-
del
a
y
p
eri
od,
blo
w
er
w
ill
c
o
m
e
o
n
for
the
sel
e
cte
d
blo
w
er
off-
del
a
y
.
C
h
e
c
k
the
foll
o
w
ing
be
for
e
goi
n
g
to
the
ne
xt
st
ep.
-G
a
s
v
a
lv
e
tu
rn
e
d
o
ff
.
-
M
an
ual
s
h
u
t-
off
v
alve
.
-
G
REEN/
Y
EL
L
O
W
w
ir
e
M
UST
b
e
c
o
nn
e
c
te
d
to
fu
rn
a
ce
sh
ee
t
m
e
ta
l.
-
F
lam
e
s
en
s
or
m
ust
not
be
gr
ou
nd
ed.
2
+
5
INVA
L
ID
M
O
DE
L
S
EL
ECT
ION
OR
SET
UP
ERROR
–
If
st
atu
s
co
de
2
+
5
onl
y
fl
ash
e
s
4
tim
e
s
o
n
p
o
w
e
r-u
p
the
cont
rol
is
m
issing
its
m
o
d
el
plu
g
P
L
4
and
is
d
e
fa
u
ltin
g
to
the
m
o
del
s
ele
c
tio
n
s
to
re
d
in
me
mo
ry
.
If
s
ta
tus
c
od
e
2
+
5
flash
e
s
c
onti
nu
ousl
y
it
c
ould
indi
cat
e
an
y
o
f
the
follo
w
ing
:
-
M
od
el
plug
P
L
4
is
m
issin
g
a
n
d
th
e
re
is
no
valid
m
od
e
l
st
o
re
d
in
p
e
rm
an
e
n
t
m
e
m
o
ry
.
T
hi
s
w
ill
h
ap
pe
n
if
y
o
u
for
get
to
in
stall
th
e
m
od
el
pl
ug
P
L4
on
a
s
er
v
ic
e
re
p
lac
e
m
e
n
t
c
on
tr
o
l.
-
T
h
erm
o
st
at
c
a
ll
w
it
h
S
W
1-1
O
N.
-
T
herm
ost
a
t
c
all
w
it
h
S
W
1
-6
ON
.
-
S
W
1
-1
an
d
S
W
1
-6
bo
th
ON.
-
T
w
o
diff
er
ent
fur
n
a
c
e
m
o
d
els
tw
in
n
e
d.
-
S
ervic
e
re
pla
c
em
e
n
t
c
ont
rol
is
incor
rec
t.
N
e
e
d
m
o
d
u
la
ting
bo
ar
d
w
it
h
s
o
ft
w
a
re
ve
rsi
o
n
V
1
7
o
r
la
ter
.
3
+
5
G
A
S
V
A
LV
E
F
A
U
LT
–
Indi
c
at
es
the
m
o
dula
ting
ga
s
v
al
ve
fa
ile
d
to
resp
o
n
d
to
a
c
om
m
a
n
d
fr
om
th
e
fur
nac
e
co
nt
rol
or
po
wer
to
the
gas
v
al
v
e
el
ect
ro
n
ics
was
in
ter
ru
pte
d
.
C
he
ck
for:
-
In
ter
mi
tt
en
t
R
E
D
,
Y
E
L
LO
W
,
o
r
ORA
N
GE
w
ire
at
gas
v
alv
e
o
r
P
L
8
con
necti
ons
.