51
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
R
ed
R
ed Y
1
Fa
ul
t
D
es
cri
pt
io
n
Me
ssa
ge
C
ode
Po
ssi
bl
e C
au
se
s
C
orrect
iv
e A
ct
io
ns
N
ote
s & C
au
tio
ns
•
C
om
pr
es
sor
a
nd o
ut
doo
r f
an
a
re
o
ff.
•
C
om
pre
ss
or p
ro
te
ct
or t
rip
s fo
ur
co
ns
ec
ut
iv
e t
im
es
.
•
A
ve
ra
ge r
un
ti
m
e b
et
w
ee
n t
rip
s i
s
les
s
tha
n 1
5 s
ec
ond
s.
•
In
te
gr
at
ed
co
nt
ro
l m
od
ul
e
di
agnos
tic
/s
ta
tu
s
LE
D
’s
di
sp
la
y t
he
ind
ic
at
ed c
ode
.
•
C
om
fo
rtN
et™
th
er
m
os
ta
t “
C
all
fo
r
Ser
vi
ce” i
co
n i
llu
m
in
at
ed
.
•
C
om
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 “
C
heck
H
eat
P
um
p”
m
es
sag
e.
O
FF
4
Fl
as
hes
ON
O
N
if
c
all
pr
es
en
t;
O
FF
if n
o
cal
l
•
Loc
ke
d R
ot
or
LOC
K
ED
RO
TO
R
04
•
C
om
pr
es
so
r b
ear
in
gs
ar
e
sei
zed
.
•
Fa
ile
d c
om
pr
es
sor
run
cap
aci
to
r.
•
Fa
ul
ty
run
c
apa
ci
to
r
w
irin
g.
•
Lo
w
li
ne
vo
lta
ge
.
•
C
heck
co
m
pr
es
so
r
ope
ra
tio
n;
rep
ai
r/r
ep
lace as
need
ed
.
•
C
heck
ru
n cap
ac
ito
r;
rep
lace as
n
eed
ed
.
•
C
he
ck w
iri
ng;
rep
ai
r/r
ep
lace as
need
ed
.
•
V
er
ify
lin
e v
olta
ge
is
w
ith
in r
an
ge
o
n r
at
in
g
pl
ate
; c
on
ta
ct lo
ca
l
ut
ili
ty
is o
ut
o
f r
an
ge
.
•
Tur
n 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.
•
R
ep
lace w
ith
co
rr
ect
rep
lace
m
en
t p
ar
t(s
).
•
C
om
pre
ss
or a
nd
o
ut
do
or
fa
n a
re
o
ff
fo
r
gr
ea
te
r t
ha
n 4
h
our
s.
•
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
/s
ta
tu
s
LE
D
’s
di
sp
la
y t
he
ind
ic
at
ed c
ode
.
•
C
om
fo
rtN
et™
th
er
m
os
ta
t “
C
all
fo
r
Ser
vi
ce” i
co
n i
llu
m
in
at
ed
.
•
C
om
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 “
C
heck
H
eat
P
um
p”
m
es
sag
e.
O
FF
5
Fl
as
hes
O
FF
O
N
if
c
all
pr
es
en
t;
O
FF
if n
o
cal
l
•
O
pe
n C
irc
ui
t
O
PE
N
CI
RCU
IT
05
•
Po
w
er
is
d
isco
nn
ect
ed
.
•
Fa
ile
d c
om
pr
es
sor
pr
ote
cto
r.
•
C
om
pr
es
sor
n
ot
pr
ope
rly
w
ire
d to
c
on
tro
l.
•
C
heck
c
irc
ui
t b
reak
er
s
and
fus
es
.
•
C
he
ck w
iri
ng t
o
uni
t;
rep
ai
r/r
ep
lace as
need
ed
.
•
C
heck
co
m
pr
es
so
r;
rep
ai
r/r
ep
lace as
need
ed
.
•
C
heck
co
m
pr
es
so
r
w
iri
ng
; r
ep
ai
r/r
ep
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 1
no
rma
l c
yc
le
.
•
Fa
ul
t m
ay
be
c
le
ar
ed by
cy
clin
g 2
4V
A
C
to
co
nt
ro
l.
•
R
ep
lace w
ith
co
rr
ect
rep
lace
m
en
t p
ar
t(s
).
•
C
om
pre
ss
or a
nd
o
ut
do
or
fa
n a
re
o
ff.
•
Low
pr
es
su
re
a
nd h
igh 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
/s
ta
tu
s
LE
D
’s
di
sp
la
y t
he
ind
ic
at
ed c
ode
.
•
C
om
fo
rtN
et™
th
er
m
os
ta
t “
C
all
fo
r
Ser
vi
ce” i
co
n i
llu
m
in
at
ed
.
•
C
om
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 “
C
heck
H
eat
P
um
p”
m
es
sag
e.
O
FF
6
Fl
as
hes
O
FF
O
N
if
c
all
pr
es
en
t;
O
FF
if n
o
cal
l
•
O
pe
n S
ta
rt
C
irc
uit
O
PE
N
S
TA
RT
06
•
C
om
pr
es
so
r s
ta
rt w
in
din
g
is ope
n.
•
Fa
ile
d c
om
pr
es
sor
run
cap
aci
to
r.
•
Fa
ul
ty
run
c
apa
ci
to
r
w
irin
g.
•
C
om
pr
es
sor
n
ot
pr
ope
rly
w
ire
d to
c
on
tro
l.
•
Fa
ul
ty
c
om
pr
es
sor
w
iri
ng
.
•
C
he
ck
c
om
pre
ss
or;
rep
ai
r/r
ep
lace as
need
ed
.
•
C
heck
ru
n cap
ac
ito
r;
rep
lace as
n
eed
ed
.
•
C
he
ck w
iri
ng;
rep
ai
r/r
ep
lace 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 1
no
rma
l c
yc
le
.
•
Fa
ul
t m
ay
be
c
le
ar
ed by
cy
clin
g 2
4V
A
C
to
co
nt
ro
l.
•
R
ep
lace w
ith
co
rr
ect
rep
lace
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
a
nd hi
gh pr
es
su
re
sw
itc
hes
ar
e cl
os
ed
.
•
O
pen
st
ar
t c
irc
ui
t h
as
b
een
d
et
ect
ed
4
tim
es
w
ith
5
m
in
ut
e d
el
ay
b
et
w
ee
n each
de
te
ctio
n.
•
In
te
gr
at
ed
co
nt
ro
l m
od
ul
e
di
agnos
tic
/st
at
us
LE
D
’s
d
isp
la
y t
he
ind
ic
at
ed c
ode
.
•
C
om
fo
rtN
et™
th
er
m
os
ta
t “
C
all
fo
r
Ser
vi
ce” i
co
n i
llu
m
in
at
ed
.
•
C
om
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 “
C
heck
H
eat
P
um
p”
m
es
sag
e.
O
FF
6
Fl
as
hes
ON
O
N
if
c
all
pr
es
en
t;
O
FF
if n
o
cal
l
•
O
pe
n S
ta
rt
C
irc
ui
t L
oc
ko
ut
O
PE
N
S
TA
RT
LO
C
K
06
•
C
om
pr
es
so
r s
ta
rt w
in
din
g
is ope
n.
•
Fa
ile
d c
om
pr
es
sor
run
cap
aci
to
r.
•
Fa
ul
ty
run
c
apa
ci
to
r
w
irin
g.
•
C
om
pr
es
sor
n
ot
pr
ope
rly
w
ire
d to
c
on
tro
l.
•
Fa
ul
ty
c
om
pr
es
sor
w
iri
ng
.
•
C
heck
co
m
pr
es
so
r;
rep
ai
r/r
ep
lace as
need
ed
.
•
C
heck
ru
n cap
ac
ito
r;
rep
lace as
n
eed
ed
.
•
C
he
ck w
iri
ng;
re
pa
ir/
rep
lace as
need
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.
•
R
ep
lace w
ith
co
rr
ect
rep
lace
m
en
t p
ar
t(s
).