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50
SERVICING
PCBHR101-103
PBBGR101-102
D
ia
gn
os
tic
/S
ta
tu
s L
ED
C
od
es
C
omf
or
tN
et
™
The
rm
os
ta
t O
nl
y
Sy
m
pt
om
s o
f A
bno
rm
al
O
pe
ra
tio
n
(L
eg
ac
y & C
omf
or
tN
et™
T
he
rm
os
ta
t)
G
re
en
Y
ello
w
Red
Re
d Y
1
Fa
ul
t
D
es
cri
pt
io
n
Me
ssa
ge
Code
Po
ssi
bl
e C
au
se
s
C
orrect
iv
e A
ct
io
ns
N
ote
s & C
au
tio
ns
•
Fo
ur
c
ons
ec
ut
ive
c
om
pre
ss
or p
ro
te
ct
or
tri
ps
w
ith
a
ver
ag
e r
un
ti
m
e b
et
w
een
tri
ps
gr
ea
te
r t
ha
n 1
m
inut
e a
nd
le
ss
th
an
15 m
inut
es
.
•
Low
pr
es
su
re
a
nd hi
gh pr
es
su
re
sw
itc
hes
ar
e cl
os
ed
.
•
In
te
gr
at
ed
co
nt
ro
l m
od
ul
e
di
agnos
tic
/st
at
us
L
ED
’s
di
sp
la
y t
he
ind
ic
at
ed c
ode
.
O
FF
2
Fl
as
hes
O
FF
O
N
if
c
all
pr
es
en
t;
O
FF
if n
o
cal
l
•
H
igh
S
ide
F
aul
t
HI
GH S
ID
E
FA
U
LT
02
•
Bl
ock
ed
co
nd
en
ser
co
il.
•
O
ut
door
fa
n n
ot
runni
ng
.
•
Ch
eck
a
nd
c
lean
co
nd
en
ser
co
il.
•
Che
ck
o
ut
do
or
fa
n
m
ot
or
; r
ep
ai
r/r
ep
lace
as
n
eed
ed
.
•
Che
ck
o
ut
do
or
fa
n
m
oto
r w
irin
g;
rep
ai
r/r
ep
lace as
need
ed
.
•
Che
ck
o
ut
do
or
fa
n
m
oto
r c
ap
ac
ito
r;
rep
lace as
n
eed
ed
.
•
Tu
rn
pow
er
O
FF
p
rior
to r
epa
ir.
•
Fa
ult w
ill
c
le
ar
a
fte
r 4
co
ns
ec
ut
ive
no
rm
al
cy
cl
es
.
•
Fa
ul
t m
ay
be
c
le
ar
ed by
cy
clin
g 2
4V
A
C to
co
nt
ro
l.
•
Rep
lace w
ith
co
rrect
rep
lace
m
en
t p
ar
t(s
).
•
Co
m
pr
es
sor
a
nd o
ut
do
or
fa
n a
re
o
ff.
•
Th
er
m
os
ta
t de
m
an
d
is pr
es
en
t.
•
In
te
gr
at
ed
co
nt
ro
l m
od
ul
e
di
agnos
tic
/st
at
us
L
ED
’s
di
sp
la
y t
he
ind
ic
at
ed c
ode
.
ON
2
Fl
as
hes
O
FF
O
N
if
c
all
pr
es
en
t;
O
FF
if n
o
cal
l
•
H
ig
h P
re
ss
ur
e
CO
T
rip
H
PS
O
PE
N
02
•
Bl
ock
ed
co
nd
en
ser
co
il.
•
O
ut
door
fa
n n
ot
runni
ng
.
•
Ch
eck
a
nd
c
lean
co
nd
en
ser
co
il.
•
Che
ck
o
ut
do
or
fa
n
m
ot
or
; r
ep
ai
r/r
ep
lace
as
n
eed
ed
.
•
Che
ck
o
ut
do
or
fa
n
m
oto
r w
irin
g;
rep
ai
r/r
ep
lace as
need
ed
.
•
Che
ck
o
ut
do
or
fa
n
m
oto
r c
ap
ac
ito
r;
rep
lace as
n
eed
ed
.
•
Tu
rn
pow
er
O
FF
p
rior
to r
epa
ir.
•
Rep
lace w
ith
co
rrect
re
pla
ce
m
en
t p
ar
t(s
).
•
Co
m
pre
ss
or a
nd
o
ut
do
or
fa
n a
re
o
ff.
•
Low
pr
es
su
re
sw
itc
h t
rip 3 t
im
es
w
ithi
n
sa
m
e t
her
m
os
tat
d
em
an
d.
•
Th
er
m
os
ta
t de
m
an
d
is pr
es
en
t.
•
In
te
gr
at
ed
co
nt
ro
l m
od
ul
e
di
agnos
tic
/st
at
us
L
ED
’s
di
sp
la
y t
he
ind
ic
at
ed c
ode
.
•
Co
m
fo
rtN
et™
th
er
m
os
ta
t “
Ca
ll
fo
r
Ser
vi
ce” i
co
n i
llu
m
in
at
ed
.
•
Co
m
fo
rtN
et™
th
er
m
os
ta
t s
cr
oll
s
“C
heck
A
ir C
on
di
tio
ne
r” o
r “
Ch
eck
H
eat
P
um
p”
m
es
sag
e.
ON
2
Fl
as
hes
ON
O
N
if
c
all
pr
es
en
t;
O
FF
if n
o
cal
l
•
H
PC
O
L
oc
ko
ut
(3 T
rips
)
H
PS
LOC
K
OUT
02
•
Bl
ock
ed
co
nd
en
ser
co
il.
•
O
ut
door
fa
n n
ot
runni
ng
.
•
Ch
eck
a
nd
c
lean
co
nd
en
ser
co
il.
•
Che
ck
o
ut
do
or
fa
n
m
ot
or
; r
ep
ai
r/r
ep
lace
as
n
eed
ed
.
•
Che
ck
o
ut
do
or
fa
n
m
oto
r w
irin
g;
rep
ai
r/r
ep
lace as
need
ed
.
•
Che
ck
o
ut
do
or
fa
n
m
oto
r c
ap
ac
ito
r;
rep
lace as
n
eed
ed
.
•
Tu
rn
pow
er
O
FF
p
rior
to r
epa
ir.
•
M
us
t c
le
ar
fa
ult
b
y
cy
clin
g 2
4V
A
C to
co
nt
ro
l.
•
Rep
lace w
ith
co
rrect
rep
lace
m
en
t p
ar
t(s
).
•
Ru
n t
ime
fo
r la
st 4
c
yc
le
s is
le
ss
th
an
3
m
in
ut
es
each
.
•
Co
m
pr
es
sor
pr
ot
ec
tor
h
as
n
ot
tr
ippe
d.
•
Low
pr
es
su
re
a
nd hi
gh pr
es
su
re
sw
itc
hes
ar
e cl
os
ed
.
•
In
te
gr
at
ed
co
nt
ro
l m
od
ul
e
di
agnos
tic
/st
at
us
L
ED
’s
di
sp
la
y t
he
ind
ic
at
ed c
ode
.
O
FF
3
Fl
as
hes
O
FF
O
N
if
c
all
pr
es
en
t;
O
FF
if n
o
cal
l
•
Sh
or
t C
yc
lin
g
C
M
PR
S
H
RT
C
YC
LE
03
•
In
te
rm
itte
nt t
he
rm
os
ta
t
de
m
and
.
•
Fa
ul
ty
c
om
pre
ss
or re
la
y.
•
Ch
eck
th
er
m
os
tat
a
nd
th
er
m
os
ta
t w
irin
g;
rep
ai
r/r
ep
lace as
need
ed
.
•
Ch
eck
co
m
pr
es
so
r
re
la
y ope
ra
tio
n;
rep
lace co
nt
ro
l as
need
ed
.
•
Tu
rn
pow
er
O
FF
p
rior
to r
epa
ir.
•
Fa
ult w
ill
c
le
ar
a
fte
r 4
co
ns
ec
ut
ive
no
rm
al
cy
cl
es
.
•
Fa
ul
t m
ay
be
c
le
ar
ed by
cy
clin
g 2
4V
A
C to
co
nt
ro
l.
•
Rep
lace w
ith
co
rrect
rep
lace
m
ent
p
ar
t(s
).