27
Troubleshooting Chart
Sheet 2 of 2
No
te
s:
1)
In
tegr
ated c
ontr
ol
m
odul
e wi
ll au
tom
ati
ca
lly
a
ttem
pt t
o r
es
et f
rom
lo
ck
ou
t af
te
r on
e hour
.
2)
L
E
D fl
as
h c
ode
wi
ll c
eas
e i
f
power
to the
c
ontr
o
l m
odul
e i
s i
n
ter
rup
ted thr
ough t
he di
sc
o
nnec
t or
door
s
w
itc
h
.
3)
In
tegr
ated c
ontr
o
l m
odul
e wi
ll au
tom
a
tic
a
lly
a
ttem
p
t t
o
r
e
se
t f
rom
lo
ck
ou
t af
te
r 20
m
in
u
tes
.
Sy
mp
toms
o
f A
bno
rm
al
O
p
er
at
io
n
A
sso
cia
te
d
LE
D
C
ode
(S
ee
N
ote 2
)
F
a
ul
t D
es
cr
ipt
io
n
(s
)
Po
ss
ib
le
C
a
u
ses
-
Induc
ed dr
af
t and c
irc
ulat
or
blower
r
un
c
ont
inu
ous
ly
w
ith
no
fu
rt
her
f
ur
nac
e oper
at
io
n.
an
d
-
In
tegr
a
ted c
ont
ro
l m
odule diagnos
tic
LE
D is
f
las
hing c
ont
inuou
sl
y.
Cont
inuous
F
las
hing
-
F
lam
e
h
as
been s
ens
ed wit
h no
ca
ll
fo
r heat
.
-
S
hor
t t
o gr
ound in
flam
e s
ens
e
ci
rc
uit
.
-
Lim
it c
irc
uit
(
pr
im
ar
y
or
aux
iliar
y)
h
as
opened f
iv
e t
im
es
dur
ing a
si
ngle c
all
f
or
hea
t.
S
ee not
e
1.
-
In
su
ff
ic
ient
c
ondit
ioned air
ov
er
th
e heat
ex
change
r.
Caus
e
m
ay
be bloc
ked f
ilt
er
s,
r
es
tr
ic
tiv
e
duc
twor
k,
im
pr
oper
c
irc
ulat
or
blo
w
er
s
peed,
or
f
ailed
c
irc
ulat
or
blow
er
.
-
Loos
e or
m
is
connec
ted w
iri
ng.
-
P
res
su
re
s
w
itc
h
ci
rc
uit
ha
s opened
fi
ve
tim
es
dur
ing a
si
n
gle
ca
ll f
or
heat
.
S
ee
not
e 3.
-
P
res
su
re
s
w
itc
h hos
e
bloc
ked,
pinc
hed,
o
r
m
is
connec
ted.
-
B
loc
ked f
lue
a
nd/
or
inlet
air
pipe,
bloc
ked dr
ain
sy
st
em
, or
w
ea
k induc
ed dr
af
t blower
.
- I
nco
rr
ec
t p
re
ssu
re
sw
itch
se
t p
oi
nt
o
r
m
alf
unc
tioning
sw
itc
h c
ont
ac
ts
.
-
Loos
e or
m
is
connec
te
d
wir
ing.
- Cir
culat
or
blower
r
unning c
ont
inuo
us
ly
wit
h no f
ur
ther
f
ur
nac
e oper
at
ion
an
d
- I
nt
egr
at
ed
cont
ro
l m
odule
diagnos
tic
LE
D
is
f
las
hing nine f
las
hes
.
9 F
las
hes
-
F
ur
nac
e
is
not
o
per
at
ing
and
-
In
tegr
a
ted c
ont
ro
l m
odule diagnos
tic
LE
D is
f
las
hing eight
f
las
hes
.
8 F
las
hes
7 F
las
hes
-
Nor
m
al f
ur
nac
e oper
at
io
n.
b
ut
-
In
tegr
a
ted c
ont
ro
l m
odule diagnos
tic
LE
D is
f
las
hing s
ev
en f
las
hes
.
-
F
lam
e s
ens
e m
ic
ro-
am
p s
ignal is
low.
-
F
lam
e s
ens
or
is
c
oat
ed/
ox
idiz
ed.
-
F
lam
e s
ens
or
inc
or
re
ct
ly
pos
ition
ed
in bur
ner
f
lam
e.
-
Laz
y bur
ner
f
lam
e
due t
o
im
pr
oper
gas
pr
es
su
re
, or
c
om
bus
tion air
.
C
W
hit
e-
Ro
dger
s
Cont
ro
l Only
7
Heat
cr
af
t
Cont
rol
O
nly
8
9
Heat
cr
af
t
Cont
rol
O
nly
C
o
rr
ec
tiv
e
A
cti
on
C
auti
ons
a
n
d
No
te
s
-
Cor
re
ct
s
h
or
t at
f
lam
e
s
ens
or
or
in
fl
am
e s
ens
or
wir
ing.
-
T
ur
n power
O
F
F
pr
ior
to
r
ep
air
.
-
Chec
k
filt
er
s and
duc
tw
or
k.
F
or
bl
oc
kage .
Clean f
ilt
er
s or
r
em
ov
e
obs
tr
uc
tion.
-
Chec
k f
or
pr
oper
c
irc
ulat
ion blower
s
peed and
per
fo
rm
anc
e.
Cor
re
ct
s
peed
or
r
ep
lac
e
blower
if
nec
es
sa
ry
.
-
Chec
k an
d c
or
re
ct
wir
ing.
-
T
ur
n power
O
F
F
pr
ior
to
r
ep
air
.
-
S
ee S
pec
ific
at
ion S
heet
fo
r allowable
ris
e
range and pr
oper
ci
rc
ulat
or
blow
e
r
speed.
-
Chec
k an
d c
or
re
ct
pr
e
ss
ur
e s
w
itc
h
hos
e.
-
Chec
k
flu
e
and/
or
inle
t air
piping f
or
bloc
kage,
pr
oper
lengt
h,
elbow
s
and
te
rm
in
at
ion.
Chec
k
dr
ain s
ys
tem
.
-
V
er
ify
pr
oper
pr
es
su
re
s
w
itc
h
se
t p
oint
and
co
nt
ac
t m
ot
ion
.
-
Chec
k an
d c
or
re
ct
wir
ing.
-
S
and f
lam
e
sens
or
if
c
oat
ed/
ox
idiz
ed.
I
ns
pec
t f
or
pr
oper
s
ens
or
alignm
ent
.
-
Chec
k
inle
t air
piping f
or
bloc
kage
, pr
oper
leng
th
, elbows
, and t
er
m
inat
ion.
-
Chec
k f
or
pr
oper
gas
pr
es
su
re
s.
-
T
ur
n power
O
F
F
pr
ior
to
r
ep
air
.
-
S
and f
lam
e s
ens
or
w
ith
em
er
y
cl
ot
h.
-
S
ee "
F
lue
and Com
bus
tion A
ir
P
ipe"
s
ec
tion
fo
r piping
det
a
ils
.
-
S
ee r
at
ing plat
e
fo
r pr
oper
g
as
pr
es
su
re
s.
-
T
ur
n power
O
F
F
pr
ior
to
r
ep
air
.
-
S
ee "
F
lue
and Com
bus
tion A
ir
P
ipe"
s
ec
tion
fo
r piping
det
a
ils
.
-
Rep
lac
e
pr
es
su
re
s
w
itc
h w
ith
pr
oper
r
ep
lac
em
ent
pa
rt
.