F96VTN and G96VTN: 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.
67
A190197
Troubleshooting Guide (Continued)
1
+
2
BL
O
W
ER
ON AFTER
PO
W
E
R UP
–
(11
5
V
O
R
24V
) –
N
o
rm
a
l o
p
e
rati
on.
B
low
e
r r
u
n
s
fo
r 90 se
cond
s
, i
f u
n
it
i
s
p
o
w
e
re
d
u
p
dur
in
g a
c
a
ll
fo
r hea
t
(R
-
W
/W
1
closed)
or wh
e
n
(
R
-W
/W
1
opens
)
d
u
ri
n
g
t
h
e bl
ow
er
o
n
-d
e
la
y
pe
ri
od
.
6
+ 1
IGN
IT
IO
N
L
O
CK
OUT
–
S
y
s
te
m f
a
ile
d
t
o
ig
n
it
e
g
as
a
n
d
pr
o
v
e
f
lam
e
in
4
atte
m
p
ts.
C
o
n
trol
will a
u
to
-r
ese
t a
fte
r
3
h
o
ur
s.
R
e
fe
r
to
st
atu
s
c
o
de #6.
5
A
B
N
ORM
A
L FL
A
M
E
-P
R
O
V
IN
G
S
IGNA
L
Fla
m
e
is
p
ro
v
ed
wh
il
e
gas
valv
e
is d
e
-
ene
rgi
zed.
Ind
u
c
e
r
w
ill
ru
n
unt
il
fa
u
lt is
clear
e
d
. C
hec
k
f
o
r:
-
St
u
ck
ope
n
or l
e
ak
y
g
a
s
va
lv
e
.
2
P
RESSURE
S
W
IT
CH
DI
D
N
O
T OPEN
–
Chec
k
f
o
r:
-
O
bst
ruct
e
d
p
ress
u
re
t
u
be.
-
P
res
s
u
re
s
w
it
c
h
s
tuck
clos
e
d
.
3
L
O
W
-H
EA
T PRESSURE
S
W
IT
CH
DID
N
O
T
C
L
OS
E
OR
R
E
OP
E
N
E
D
–
If
open
s
dur
ing b
lo
w
er o
n
-d
e
la
y
p
e
rio
d,
b
lo
w
e
r w
ill
come
o
n
f
o
r
th
e
se
le
cte
d
b
lo
w
e
r
o
ff
-de
la
y
.
If
op
e
n
lo
ng
e
r t
h
a
n
5 mi
nu
te
s
i
n
d
u
c
e
r
shut
s
o
ff f
o
r 1
5
m
in
u
tes
b
e
fo
re
ret
ry
.
Chec
k
fo
r:
-
P
ro
pe
r ve
n
t s
iz
ing.
-
Air
l
e
a
k
b
e
tw
e
e
n
vest
ib
ul
e
a
n
d
b
lo
w
e
r
co
m
p
a
rtm
en
t.
-
L
ow
i
n
le
t gas
pre
s
s
u
re
(
if
L
G
P
S
use
d
).
-
R
estr
ic
te
d
v
e
nt.
-
D
iscon
n
ec
ted
o
r
o
b
st
ru
ct
ed p
ressu
re
tubi
ng.
-
D
e
fe
cti
v
e
o
r m
isw
ir
e
d
p
re
s
sure
s
w
itch
es
-
Ex
c
essiv
e
w
in
d
.
-
Plu
g
g
ed c
o
n
d
e
n
sa
te
dra
in
.
-
W
a
ter
in
v
e
n
t
p
ip
in
g
, p
o
ss
ib
le
s
a
g
g
in
g
pi
p
e
.
-
D
e
fe
c
ti
ve
In
d
u
ce
r
m
o
tor.
-
L
o
w
i
n
d
u
ce
r vo
lt
ag
e
(1
1
5
V
A
C
)
4
L
IM
IT
CIR
C
U
IT
F
A
UL
T
–
Indi
c
ate
s
th
e
lim
it
o
r
a
f
la
m
e
roll
out
s
wit
c
h
is o
p
en or the
fu
rn
a
c
e
is
op
e
ra
tin
g
in
h
ig
h
-h
ea
t
o
n
ly
mode
due
t
o
2
s
u
c
c
essiv
e
lo
w-h
eat
lim
it
tr
ip
s.
Blo
w
er
w
ill
r
u
n
f
o
r
4
m
in.
o
r u
n
ti
l
ope
n
s
w
it
ch
rem
a
k
e
s wh
ich
e
v
e
r is
lo
ng
er.
If
op
e
n
l
o
ng
e
r th
a
n
3 mi
n.
,
co
de c
h
a
n
g
e
s
to lock
o
u
t
#
7
.
If o
p
e
n
l
e
ss t
h
a
n
3 min
.
stat
u
s
co
d
e
#
4
co
nt
in
ues
to
fla
s
h
u
n
til
b
lo
w
er sh
u
ts
o
ff
.
F
lam
e
r
o
ll
o
u
t
sw
itch
req
u
ir
e
s
m
a
n
u
a
l r
e
set.
C
h
eck
for
:
-
L
o
o
s
e
bl
ow
er
wh
eel
.
-
D
efe
c
tive
s
w
itc
h
o
r
c
o
n
n
ectio
n
s.
-
Imp
ro
per
lo
w-
o
r h
ig
h
-h
eat
gas
in
p
u
t
adju
s
tment
.
-
Im
p
rop
e
r l
im
it
sw
it
ch or
no
l
im
it
ga
ske
t.
-
D
ir
ty
fil
te
r or
r
e
st
ric
te
d
d
u
ct s
y
stem
.
To
det
e
rmin
e
w
h
e
ther
t
h
e
p
ro
b
le
m
is i
n
th
e
g
a
s
va
lve
,
ig
n
it
e
r,
o
r fl
a
m
e
s
e
n
s
or
t
h
e s
y
s
te
m
can
be
ope
ra
te
d
in
c
o
m
p
o
n
e
n
t t
e
st
mo
de
.
To
check
t
h
e
ig
n
it
e
r
remo
v
e
th
e
R
t
h
ermo
st
at c
o
n
n
ec
tion f
ro
m
the
c
o
n
tro
l,
r
e
se
t po
w
e
r,
a
n
d
p
u
t
s
e
tu
p
swit
ch
S
W
1-6
in
t
h
e O
N
pos
iti
o
n
to
s
ta
rt
t
h
e
co
m
p
o
n
e
n
t t
e
st.
D
o
es
t
h
e
i
g
nit
e
r
glo
w
ora
n
g
e
/w
h
ite b
y
t
h
e e
n
d
o
f th
e
15
s
e
co
nd wa
rm
-
up per
io
d
?
Unplu
g
ig
n
it
e
r
har
n
e
s
s
f
ro
m
co
n
tro
l
an
d
rep
e
at
comp
o
n
ent
tes
t b
y
tu
rn
in
g
s
e
tu
p
swit
ch S
W
1-6 O
F
F
a
n
d
t
h
e
n
b
a
c
k
ON.
Ch
e
c
k
f
o
r 1
1
5
V
b
e
tw
e
e
n
pi
n
3
a
n
d
NE
UT
R
A
L-L
2
o
n
t
h
e
c
o
nt
rol
.
W
a
s 1
1
5
V
pre
s
e
n
t f
o
r t
h
e
15
se
c
o
n
d
p
e
ri
od?
Check
c
o
n
n
ectio
n
s and
r
e
tr
y
.
If
cu
rr
ent i
s
n
e
a
r
ty
p
ica
l v
a
lu
e
(4
.0
-6
.0
n
o
mi
na
l) a
nd
bu
rners
w
ill
not
st
a
y
o
n
, r
e
p
e
at
c
h
eck
in
hi
g
h
-he
at
.
I
f b
u
rn
e
rs
w
il
l
st
ill
n
o
t st
a
y
o
n
r
e
pl
ace
con
tr
ol.
If b
u
rn
ers
o
p
e
rate
i
n
hig
h
-h
e
at
th
en s
w
it
ch
to
l
o
w-
hea
t,
c
h
eck
m
anif
o
ld
pre
s
s
u
re.
If
O
K
, c
h
eck
b
u
rn
e
r c
a
rry
o
v
e
r
a
nd f
la
m
e
s
e
n
so
r l
o
c
a
ti
o
n
.
Cl
ean
f
la
m
e
se
nso
r
wit
h
f
in
e
st
eel
w
o
ol
and
r
e
che
c
k
cu
rr
e
n
t.
N
o
mi
nal
cu
rr
e
n
t i
s
4.
0 t
o
6.
0
m
ic
ro
a
m
p
s.
Is
cu
rre
nt n
e
ar
ty
p
ic
a
l
v
a
lu
e
?
R
e
p
la
c
e
el
e
c
tr
od
e.
W
ill m
a
in
bu
rn
e
rs ig
n
ite
a
n
d
st
a
y
o
n
?
Repla
c
e
f
u
rn
ac
e
c
o
nt
ro
l.
Fi
x
e
d.
NO
YES
YES
YES
NO
NO
Repla
c
e
f
u
rn
ac
e
c
o
nt
ro
l.
Ch
ec
k
fo
r co
n
ti
n
uit
y
i
n
t
h
e
har
n
es
s a
n
d i
g
nit
e
r.
R
e
p
la
c
e
d
e
fe
c
ti
v
e c
o
m
pone
n
t.
Re
co
n
n
ec
t t
h
e
R t
h
ermo
s
ta
t le
a
d
and
s
e
t
the
rm
o
st
a
t t
o
call
for
h
eat
. C
o
n
n
ect
vo
lt
m
e
te
r
acr
o
s
s
g
a
s
va
lv
e
c
o
nn
ec
ti
o
n
s
.
Does
gas
va
lv
e
r
e
c
e
iv
e
24V
?
Does
gas
va
lv
e
ope
n
a
n
d
a
llo
w g
a
s
t
o
flo
w
?
Do
th
e
m
a
in
b
u
rn
er
s
ig
ni
te
?
D
o
t
h
e m
a
in
bu
rn
e
rs s
tay
on?
A
ll
o
w
bl
owe
r to c
o
me
o
n
a
nd
repe
a
t t
e
st
to c
h
e
c
k fo
r
in
te
rm
itt
e
n
t o
p
e
ra
ti
o
n.
Ch
ec
k
th
at
a
ll g
a
s
v
a
lves
a
re
tu
rn
ed
o
n
. R
e
pl
ace
va
lv
e
.
C
h
e
c
k
c
onnec
ti
o
n
s
.
If
OK
,
rep
lace
co
ntr
o
l.
Check
fo
r:
-
In
a
d
e
q
u
at
e f
lame ca
rr
y
o
v
e
r
or ro
u
g
h
i
g
n
itio
n
.
-
L
ow
i
n
let
gas
p
re
s
s
u
re.
-
P
rop
e
r firin
g
r
a
te
.
Repe
at c
a
ll f
o
r
h
e
at
an
d
ch
eck
f
la
m
e
sen
s
o
r
c
u
rr
e
n
t dur
in
g tria
l f
o
r ig
n
it
io
n
per
io
d.
Is
the
DC
m
icr
oamp
s
bel
o
w
0.5
?
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
6
IGN
IT
ION P
R
O
V
IN
G
FA
ILURE
–
If
f
la
m
e is
not
s
e
n
s
e
d
d
u
ri
n
g
t
h
e
tria
l f
o
r ig
n
itio
n
per
iod,
th
e
c
o
n
tr
o
l
will
re
p
e
a
t t
h
e i
g
nit
io
n
seq
u
en
ce
3
m
o
re
t
ime
s
b
e
fo
re
l
o
ck
out
#6
+
1
o
c
c
u
rs.
If
fl
a
m
e
s
ig
n
a
l i
s
l
o
s
t
d
u
ri
n
g
th
e
b
lo
w
e
r on-
d
el
a
y
p
e
ri
od,
b
lo
w
e
r w
ill c
o
m
e
o
n
for
t
h
e
sel
e
ct
e
d
b
lo
w
er
of
f-
del
a
y.
Ch
e
c
k
the
follo
w
in
g
b
e
for
e
goin
g
to
t
h
e n
e
xt
st
ep.
-
G
as v
a
lve
t
u
rn
ed
of
f.
-
M
a
n
ual
sh
ut
-o
ff
v
a
lve
.
-
G
REEN
/Y
E
L
L
O
W
w
ir
e
MUST b
e
con
nec
te
d to
f
u
rn
ac
e
s
h
e
e
t me
ta
l.
-
F
la
m
e
s
e
n
s
or
m
u
s
t
n
o
t be
gr
o
u
nd
e
d
.
2
+ 5
INV
A
L
ID
M
O
DE
L
SEL
E
C
T
IO
N
OR S
E
T
UP
ERROR
–
If s
ta
tu
s c
o
d
e
2
+
5
onl
y
f
las
h
e
s
4
t
ime
s
o
n
po
w
e
r-
u
p
t
h
e
c
o
n
tro
l
is m
iss
in
g i
ts
mo
d
e
l
p
lu
g
PL
4
and
i
s
d
e
fa
u
ltin
g
t
o
t
h
e
mo
del
se
le
ct
ion
stor
e
d
in
m
e
m
o
ry
.
If
st
a
tus
c
o
de
2
+
5
fla
s
h
es
co
n
tin
u
o
us
ly
it
c
o
u
ld
i
n
d
ic
a
te
a
n
y
o
f t
h
e
fo
llo
wi
n
g
:
-
M
o
d
e
l
p
lu
g
PL
4
is
miss
in
g
a
n
d
t
h
ere
is
no v
a
lid
m
o
del
st
o
re
d
in
per
m
a
n
e
nt
m
e
m
o
ry
.
Th
is
will h
a
p
p
e
n
if
y
o
u
fo
rge
t
to
in
s
ta
ll t
h
e
m
o
del
pl
u
g
P
L
4
on
a s
e
rv
ic
e
re
pl
a
c
e
m
e
n
t
co
n
tr
o
l.
-
Ther
m
o
st
a
t
c
a
ll wit
h
S
W
1-1
O
N
.
-
T
her
m
o
s
ta
t
c
a
ll w
it
h
SW
1-6
O
N
.
-
S
W
1
-1
an
d S
W
1-
6 b
o
th
ON.
-
T
w
o
d
if
fe
rent
fur
n
a
c
e
mo
dels
t
w
in
n
e
d
.
-
Serv
ic
e
r
e
p
la
c
e
m
e
n
t c
o
n
trol
is
in
c
o
rr
e
c
t.
Ne
ed
n
o
n
-mo
du
la
tin
g
b
o
a
rd
w
it
h
so
ft
wa
re
v
e
rsi
o
n V
2
4
o
r l
a
te
r.
9
H
IG
H
-HEA
T
PR
ESS
UR
E SW
ITCH
OR
RE
LA
Y
D
ID N
O
T
CL
OS
E
O
R
RE
O
PENED
-
C
heck
fo
r:
-
C
ont
rol rel
a
y
ma
y
be d
e
fect
iv
e
.
-
G
a
s
v
a
lve
is
mi
s
w
ir
ed.
-
R
efe
r t
o
st
atu
s
co
de
#3.
1
0
P
O
L
AR
IT
Y
–
C
h
e
ck
for
c
o
rr
e
c
t lin
e
volta
g
e
pol
a
rit
y
. I
f
u
n
it
s
ar
e
t
w
in
n
e
d,
c
h
e
c
k
for
pr
oper
l
o
w
-v
o
lt
age
(2
4
V
)
tr
a
n
sf
o
rme
r p
h
as
in
g
.
7
L
IMIT
C
IRC
U
IT LOC
KOUT –
L
ock
out
o
c
c
u
rs
if t
h
e
limit o
r
fl
a
m
e
r
o
ll
ou
t
s
w
it
c
h
is
ope
n
lo
n
g
er
t
h
a
n
3
m
inu
te
s
or 10
succ
e
ssiv
e
li
mit tr
ip
s oc
cur
re
d
d
u
ri
ng
h
igh-
hea
t.
C
o
nt
rol will
a
u
to
-re
s
e
t
af
te
r 3
hou
rs.
Re
fe
r
to
st
atu
s
c
o
de #4.
8
G
AS HEA
TI
N
G
L
O
CK
O
U
T –
C
o
n
tr
o
l wi
ll
NOT aut
o
r
e
s
e
t.
Tu
rn
o
ff
po
w
e
r a
nd
w
a
it
5
m
in
u
te
s
to
re
tr
y
.
Ch
e
ck
fo
r:
-
S
tu
ck
clos
e
d
g
a
s v
a
lv
e
re
la
y
on
co
n
tr
o
l.
-
M
is
w
ire
or
s
h
o
rt
to ga
s val
v
e
w
ir
e
.
127
(
1
8
0
%
(
5
,1
833
(
5
/
(
)
7
+$1
'
&
2
51(
5
5
(
35
(
6
(
1
7
6
)/$
6
+
&
2
'(
