19
TROUBLESHOOTING INFORMATION: UNITARY DIAGNOSTIC CODES
Dia
gnos
ti
c
/Sta
tu
s
LED Code
s
ComfortNet™
T
h
ermostat Onl
y
S
y
m
p
toms of
A
b
normal
Op
eratio
n
(L
eg
a
c
y
&
ComfortNet™ T
h
ermost
at)
G
ree
n
Y
e
llow
R
ed
R
ed Y
1
Fa
ult
De
s
c
ription
Mess
ag
e
Co
d
e
Possible Cau
se
s
Co
rrect
iv
e
Ac
ti
o
n
s
Not
e
s
& Ca
utions
x
A
ir co
nd
iti
on
er/
h
e
at
pump
fa
ils
to
ope
ra
te.
x
Int
egr
at
ed co
ntr
ol modu
le
dia
gn
ost
ic/
st
atu
s
LE
D
’s
d
is
p
lay
the
in
dic
at
ed
co
de
.
x
ComfortN
et™ th
er
most
at “Call fo
r
S
e
rv
ice” i
c
o
n
il
lum
inat
ed
.
x
ComfortN
et™ th
er
most
at sc
roll
s
“C
he
ck A
ir C
o
ndi
ti
one
r”
or
“C
he
ck H
eat
P
u
m
p
” me
ss
ag
e.
1
Flas
h
1
Flas
h
OFF
OFF
x
Data
not
y
e
t
on N
e
tw
ork.
NO NET
DATA
d0
x
A
ir
co
nd
iti
on
er/
h
e
at
pump
is
w
ired
as
p
a
rt
of
a
communicati
ng
sy
stem an
d
inte
gr
at
ed co
ntr
ol
modu
le do
es
n
o
t
con
tai
n
any
sha
re
d
dat
a.
x
V
e
rify
sy
stem
ty
pe
(comm
uni
c
a
tin
g
or l
e
g
a
cy
)
x
Po
p
u
la
te
sh
ar
ed
dat
a u
s
in
g
memory
card
x
W
ir
e
sy
stem
a
s
leg
acy
sy
stem
x
Tu
rn
p
o
w
e
r OFF prio
r to re
pa
ir.
x
U
s
e mem
ory
car
d
for y
o
ur
spe
cif
ic m
o
d
e
l.
x
Ins
ert
memo
ry
car
d BEFORE
tur
nin
g
pow
er ON.
Memo
ry
car
d may
be
rem
o
v
ed afte
r d
a
ta
is
lo
ad
ed
. Tur
n
p
o
w
e
r OFF
bef
or
e r
e
mov
ing
memory
car
d.
x
Error
co
de
w
ill be
cle
ar
ed
on
ce
dat
a i
s
l
o
a
d
e
d
. A
p
plie
s
only
to
fully
commu
nic
ati
ng
sy
stem
usi
ng C
o
mfo
rtNet
™ th
ermo
st
at.
x
A
ir co
nd
iti
on
er/
h
e
at
pump
fa
ils
to
ope
ra
te.
x
Int
egr
at
ed co
ntr
ol modu
le
dia
gn
ost
ic/
st
atu
s
LE
D
’s
d
is
p
lay
the
in
dic
at
ed
co
de
.
x
ComfortN
et™ th
er
most
at “Call fo
r
S
e
rv
ice” i
c
o
n
il
lum
inat
ed
.
x
ComfortN
et™ th
er
most
at sc
roll
s
“C
he
ck A
ir C
o
ndi
ti
one
r”
or
“C
he
ck H
eat
P
u
m
p
” me
ss
ag
e.
2
Flas
he
s
2
Flas
he
s
OFF
OFF
x
Inv
alid
Dat
a
on N
e
tw
ork.
INVALID
DATA
d1
x
A
ir
co
nd
iti
on
er/
h
e
at
pump
is
w
ired
as
p
a
rt
of
a
communicati
ng
sy
stem an
d
inte
gr
at
ed co
ntr
ol
modu
le co
nt
ain
s
in
v
a
lid
sh
ar
ed
da
ta
or
netw
ork
d
a
ta
is
inv
alid f
o
r
th
e
inte
gr
at
ed co
ntr
ol
module.
x
V
e
rify
sy
stem
ty
pe
(comm
uni
c
a
tin
g
or l
e
g
a
cy
).
x
P
o
pul
at
e
c
o
rr
e
c
t
s
h
ar
ed
d
a
ta
usi
ng m
e
mo
ry
car
d.
x
W
ir
e
sy
stem
a
s
leg
acy
sy
stem.
x
Tu
rn
p
o
w
e
r OFF prio
r to re
pa
ir.
x
U
s
e mem
ory
car
d
for y
o
ur
spe
cif
ic m
o
d
e
l.
x
Ins
ert
memo
ry
car
d BEFORE
tur
nin
g
pow
er ON.
Memo
ry
car
d may
be
rem
o
v
ed afte
r d
a
ta
is
lo
ad
ed
. Tur
n
p
o
w
e
r OFF
bef
or
e r
e
mov
ing
memory
car
d.
x
Error
co
de
w
ill be
cle
ar
ed
on
ce
dat
a i
s
l
o
a
d
e
d
. A
p
plie
s
only
to
fully
commu
nic
ati
ng
sy
stem
usi
ng C
o
mfo
rtNet
™ th
ermo
st
at.
x
A
ir co
nd
iti
on
er/
h
e
at
pump
fa
ils
to
ope
ra
te.
x
A
ir
co
nd
iti
on
er/
h
e
at
pump
ope
ra
tin
g at
re
d
u
c
ed
per
form
an
ce
.
x
A
ir
co
nd
iti
on
er/
h
e
at
pump
ope
ra
tin
g
at l
o
w
st
age
w
hen
ex
pecte
d t
o
o
p
e
ra
te
at
hig
h
sta
ge.
x
Int
egr
at
ed co
ntr
ol modu
le
dia
gn
ost
ic/
st
atu
s
LE
D
’s
d
is
p
lay
the
in
dic
at
ed
co
de
.
x
ComfortN
et™ th
er
most
at “Call fo
r
S
e
rv
ice” i
c
o
n
il
lum
inat
ed
.
x
ComfortN
et™ th
er
most
at sc
roll
s
“C
he
ck A
ir C
o
ndi
ti
one
r”
or
“C
he
ck H
eat
P
u
m
p
” me
ss
ag
e.
3
Flas
he
s
3
Flas
he
s
OFF
OFF
x
Sy
stem
Mis
s
-
Match.
INVALID
SYST
EM
d2
x
A
ir
co
nd
iti
on
er/
h
e
at
pump
is
w
ired
as
p
a
rt
of
a
communicati
ng
sy
stem an
d
out
do
or
unit
r
e
q
u
ir
es
ai
rfl
o
w
g
rea
te
r t
h
an
in
do
or
unit
’s ai
rfl
ow
cap
ab
ility
.
x
S
hare
d
dat
a
is
inc
omp
ati
ble
w
ith
the
sy
stem o
r
missi
ng
p
a
ram
et
e
rs.
x
V
e
rify
sy
stem
ty
pe
(comm
uni
c
a
tin
g
or l
e
g
a
cy
).
x
Ve
ri
fy
s
h
ar
ed
dat
a
is
cor
re
ct for
y
o
ur sp
eci
fic
mode
l; r
e
-
pop
ul
ate
d
a
ta
if
req
uir
e
d
.
x
W
ir
e
sy
stem
a
s
leg
acy
sy
stem.
x
Tu
rn
p
o
w
e
r OFF prio
r to re
pa
ir.
x
U
s
e mem
ory
car
d
for y
o
ur
spe
cif
ic m
o
d
e
l.
x
Ins
ert
memo
ry
car
d BEFORE
tur
nin
g
pow
er ON.
Memo
ry
car
d may
be
rem
o
v
ed afte
r d
a
ta
is
lo
ad
ed
. Tur
n
p
o
w
e
r OFF
bef
or
e r
e
mov
ing
memory
car
d.
x
Error
co
de
w
ill be
cle
ar
ed
on
ce
dat
a i
s
l
o
a
d
e
d
. A
p
pli
es
o
n
ly
to
fully
commu
nic
ati
ng
sy
stem
usi
ng C
o
mfo
rtNet
™ th
ermo
st
at.
x
A
ir co
nd
iti
on
er/
h
e
at
pump
fa
ils
to
ope
ra
te.
x
Int
egr
at
ed co
ntr
ol modu
le
dia
gn
ost
ic/
st
atu
s
LE
D
’s
d
is
p
lay
the
in
dic
at
ed
co
de
.
x
ComfortN
et™ th
er
most
at “Call fo
r
S
e
rv
ice” i
c
o
n
il
lum
inat
ed
.
x
ComfortN
et™ th
er
most
at sc
roll
s
“C
he
ck A
ir C
o
ndi
ti
one
r”
or
“C
he
ck H
eat
P
u
m
p
” me
ss
ag
e.
4
Flas
he
s
4
Flas
he
s
OFF
OFF
x
C
onfi
gu
rat
ion
Miss-M
at
ch.
INVALID
CONFIG
d3
x
Sh
a
red
d
a
ta
s
e
n
t
to
inte
gr
at
ed co
ntr
ol
modu
le do
es
n
o
t
match hardw
are
con
fig
u
rati
on
.
x
V
e
rify
sy
stem
ty
pe
(comm
uni
c
a
tin
g
or l
e
g
a
cy
).
x
Ve
ri
fy
s
h
ar
ed
dat
a
is
cor
re
ct for
y
o
ur sp
eci
fic
mode
l; r
e
-
pop
ul
ate
d
a
ta
if
req
uir
e
d
.
x
W
ir
e
sy
stem
a
s
leg
acy
sy
stem.
x
Tu
rn
p
o
w
e
r OFF prio
r to re
pa
ir.
x
U
s
e mem
ory
car
d
for y
o
ur
spe
cif
ic m
o
d
e
l.
x
Ins
ert
memo
ry
car
d BEFORE
tur
nin
g
pow
er ON.
Memo
ry
car
d may
be
rem
o
v
ed afte
r d
a
ta
is
lo
ad
ed
. Tur
n
p
o
w
e
r OFF
bef
or
e r
e
mov
ing
memory
car
d.
x
Error
co
de
w
ill be
cle
ar
ed
on
ce
dat
a i
s
l
o
a
d
e
d
. A
p
plie
s
only
to
fully
commu
nic
ati
ng
sy
stem
usi
ng C
o
mfo
rtNet
™ th
ermo
st
at.