24
440 04 6601 03
Specifications subject to change without notice.
Is
LE
D s
tat
us lig
h
t
on
?
Is
th
er
e 2
4
V
at
S
E
C
-1
a
n
d S
E
C
-2?
Is
th
er
e 1
1
5V
at
L1
an
d L
2
?
Repla
c
e f
u
rn
ac
e c
o
nt
rol.
Is
d
o
or
s
w
itc
h
clo
sed
?
Repla
c
e t
ra
n
sf
orm
e
r.
Repla
c
e do
or
s
w
it
ch
.
Is
th
er
e 1
1
5V
goi
n
g t
o
s
w
it
ch
?
Is
d
o
or
s
w
itc
h
clo
sed
?
Is
cir
c
u
it
br
e
a
k
e
r cl
ose
d?
Che
c
k
fo
r co
nti
n
uit
y
i
n
w
ir
e
fr
om
ci
rc
ui
t
b
rea
ke
r to
fu
rn
a
c
e.
Close circ
u
it
b
re
a
k
e
r
a
nd go
b
a
ck
to
START
.
Is
L
E
D s
ta
tus lig
h
t
blink
ing
r
a
pidl
y
with
out
a p
a
us
e?
Che
c
k
fo
r co
rr
ect li
ne
volt
age
p
o
lar
it
y
.
I
f
units
ar
e t
w
in
n
e
d,
ch
eck
for
pr
op
er l
o
w
-
volta
g
e (2
4V
)
tr
a
n
sf
orm
e
r
p
h
asi
n
g.
Is
L
E
D s
ta
tus lig
h
t
blink
ing
ON/O
F
F
slo
w
ly
w
it
h
a
com
b
in
ati
o
n of
s
h
o
rt an
d
lon
g
flas
hes
?
Dete
rm
ine
s
ta
tus c
o
d
e
. T
h
e st
atu
s
co
d
e
is a 2
d
igi
t n
u
m
b
e
r
w
it
h
th
e fi
rst
digit
det
e
rm
ine
d
b
y
t
h
e num
b
er of
s
h
o
rt
fl
a
s
he
s
an
d t
h
e
se
c
o
n
d
d
ig
it
by
th
e
num
b
e
r o
f lo
ng
flas
hes
?
T
o
rec
a
ll st
atu
s
co
de
bri
e
fl
y
rem
o
v
e
a
n
d r
e
co
nne
c
t
one
RE
D
w
ir
e
f
rom
t
h
e
dra
ft s
a
fe
gu
ard
s
w
itc
h
t
o
dis
p
la
y
sto
re
d
stat
us c
o
d
e
.
Y
o
u c
a
n
also
r
e
call
the
pr
evio
us st
atu
s
co
de
b
y
m
o
m
e
nt
aril
y
sho
rtin
g
t
h
e T
E
S
T
/T
W
IN
te
rm
in
al to
Com
2
4V te
rm
ina
l
un
til th
e L
E
D go
es o
u
t.
L
E
D
w
ill
flas
h t
h
e
statu
s
co
de
of
th
e p
revi
o
us
fa
ult o
r st
at
us co
de
#1
1
(1 s
h
o
rt
and
1 l
o
n
g
flash
)
if
th
e
re was no pr
evio
us
fa
ult
.
A
ft
e
r
th
e con
tr
o
l
re
pe
a
ts th
e
co
de
4
tim
e
s, th
e c
o
nt
rol
w
ill
g
o
th
ro
ug
h a
bri
e
f co
m
p
o
n
e
n
t t
e
st s
e
q
u
e
n
ce
. T
h
e
induc
e
r w
ill
st
art an
d
ru
n fo
r
th
e enti
re
c
o
m
p
on
ent
te
st.
T
h
e
HS
I,
bl
o
w
e
r
m
o
tor FA
N
s
p
e
e
d (when
equipped)
HE
A
T
sp
ee
d, an
d
C
O
OL
spe
e
d w
ill
ru
n
fo
r 10
–
1
5
s
e
co
nds
e
a
c
h
. G
a
s v
a
lve
a
n
d
hum
idifi
er
w
ill
n
o
t
be t
u
rn
e
d
o
n
.
W
a
s there
a p
revi
o
us
stat
us c
o
d
e
o
th
e
r
th
a
n
#
1
1
?
Go
t
o
s
e
ctio
n b
e
lo
w fo
r t
he s
ta
tus c
o
d
e
th
at
w
a
s flas
he
d.
Doe
s
th
e
co
ntr
o
l r
e
sp
on
d t
o
W
, Y
1
(
if
pres
en
t), Y
/Y
2
, an
d
G (2
4V
) the
rm
o
st
at
sign
a
ls
?
R
u
n s
y
s
tem
t
h
ro
u
g
h
a h
e
at
in
g
or
c
o
ol
in
g
c
y
cle t
o
c
h
eck
op
er
atio
n. S
tat
us c
o
d
e
s
are
er
ase
d
afte
r 7
2
hou
rs.
Is
24V
pr
es
ent
at
W
, Y
1
(if
pre
s
en
t),
Y
/Y
2
or G
th
erm
o
s
tat
te
rm
inals
on
th
e fu
rn
ac
e
cont
ro
l?
Check
ro
om
th
erm
o
s
tat
or
inter
c
o
n
ne
ctin
g ca
ble
.
Di
scon
nec
t all
the
th
erm
o
s
tat
wi
re
s fr
o
m
th
e fu
rn
ac
e
c
o
nt
rol.
Does
the
p
robl
e
m
r
epe
at
whe
n u
s
ing
a
jum
p
er
w
ire
?
Repla
c
e f
u
rn
ac
e c
o
nt
rol.
T
h
e th
erm
o
s
tat
is n
o
t c
o
m
pati
b
le
w
ith
the
fu
rn
ac
e co
ntr
o
l.
Eithe
r i
n
sta
ll
a
balla
s
t
resist
or,
co
nn
ect t
h
e
Com
2
4V
th
er
m
o
s
tat
te
rm
in
al to
th
e t
h
erm
o
sta
t, o
r r
e
pl
ace
th
e
th
e
rm
o
sta
t.
YE
S
NO
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
YE
S
STAR
T
YE
S
YE
S
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Troubles
h
ooting Guide
A12421
Figure 15
−
Troubleshooting Guide
