Carrier IDEALCOMFORT 58MVC - Manual (Page 18)

18
11
NO PREVIOUS CO
DE – S
ta
tus
code
s
are
erased
a
fter
72
hou
rs or can
be
manua
lly
erased
by
putting
setup
sw
itch
S
W
1-1
in
the ON
po
si
tion an
d
jumpering
R, W/W1
,
and Y
/Y
2
simul
tane
ously
until
sta
tu
s
co
de
#11 i
s
fla
shed
. Ru
n sy
stem
through
a
low
-
heat, hig
h-hea
t, or
cooling
cy
cle to
che
ck
sy
stem
.
12
BLO
W
ER ON
AFTER PO
W
E
R UP
–
(115V
OR 24V)
–
Normal opera
tion
.
Blow
e
r runs for
90
seconds, if uni
t i
s
pow
ered up durin
g
a ca
ll
for
hea
t (R-
W/W1
clo
sed)
or w
hen (R-
W
/W
1
ope
n
s)
during
the
blow
er o
n-delay
period.
13
LI
MI
T C
IRCUI
T LOCKOUT – Lock
out
occurs i
f
the
limit or
flame
rollo
ut sw
itch is
open long
er
than
3
minute
s or
10
succe
ssiv
e limit
trip
s o
ccurred
duri
ng h
igh-
heat.
Contr
ol w
ill a
uto-re
se
t a
fter 3
ho
urs.
See code
33.
14
IGNIT
ION LOCK
O
U
T – Sy
stem
faile
d
to
ignite
ga
s an
d pr
ove flame
in
4
attemp
ts.
Control
w
ill auto-re
set a
fte
r 3
hour
s.
S
e
e
sta
tu
s code
34
.
21
GAS HEAT
ING L
O
CKOUT – Turn
off
pow
e
r and w
ait 5
minute
s
to
retry
. Che
ck
for: -
Stu
ck close
d
ga
s valv
e
relay
on con
tro
l.
-
Misw
ire
or shor
t to
gas
v
alv
e
w
ire.
22 ABNORMAL
FLAM
E-PROVING
S
IGN
AL
Flame is prov
ed w
h
ile ga
s v
alv
e is de-
energize
d.
Indu
cer
w
ill run un
til
fa
ult i
s
cleared
. Che
ck
for:
-
Stu
ck open
or
lea
ky
gas v
a
lv
e.
23
PRESSURE SW
IT
CH DI
D NOT OPEN –
Chec
k for:
- Obstru
cted
pre
ssur
e
tu
be.
- Pressure
sw
itch
stu
ck
closed.
24
SECONDARY
VOLTAGE FUSE
IS
OP
EN
Chec
k for:
-
Short
ci
rcu
it
in
se
co
ndary
v
oltage
(2
4V)
w
iring
including
the
rmosta
t
lead
s.
Discon
nect thermo
sta
t
lead
s to
isol
ate
shor
t cir
cui
t.
32
LOW
-HEAT PRESSURE SW
IT
CH DID
NOT CLOSE
OR R
E
OPENED –
If ope
ns
during bl
ow
er on-d
elay
period,
blow
er w
ill
come o
n
for
the
sel
ecte
d
bl
ow
er off-del
ay
.
If open
s w
ithin
5
minute
s a
fter i
gniti
on
the
nex
t heating
cy
cle
w
ill be restri
cted
to
high-hea
t. Che
ck
for:
-
Proper
v
ent
si
zing
.
-
Low
inlet ga
s pre
ssure (i
f L
G
PS
u
sed).
-
Restri
cted combu
stion
air
supply
.
-
Discon
nected
or
ob
str
ucted
pre
ssu
re
tubing
.
-
Defectiv
e or mi
sw
ired pre
ssure
sw
itch
es
-
Ex
cessiv
e
w
ind.
If problem
per
si
sts
tu
rn
setu
p
sw
itch
S
W
1-
3
ON.
- Plugged
cond
ensa
te
drain
.
-
Wa
ter
in v
ent p
ipin
g, p
ossible
sagging
p
ip
e.
33
LI
MI
T C
IRCUI
T FAULT – Indicat
e
s t
h
e
limit
o
r flame rollou
t
sw
itch
is
open or the
furna
ce
is opera
tin
g
in
high-hea
t only
mode due
to
2
su
ccessiv
e low
- or
medium-heat limit
trips.
Blow
er w
ill ru
n fo
r
4 min. or
un
til o
p
en
sw
itch
rema
ke
s
w
hichev
er is longer
. If open
longer
tha
n
3
min., code
chan
ges to
lo
ckout #13
.
If
open le
ss
than
3 mi
n.
statu
s co
de #3
3
continue
s
to
fla
sh
u
n
til
blow
er shu
ts o
ff
.
Flame rollou
t
sw
itch requir
es manual
rese
t.
C
h
e
ck
for
:
-
Proper rear
air baffle.
- Loose
blow
er
w
h
eel.
-
Defectiv
e
sw
itch
or
conne
cti
o
ns.
-
Improper
low
- or m
e
dium-heat ga
s
inp
ut
adjustment.
-
Improper
or
misali
g
n
ed limi
t an
d/or
limi
t
shield
.
-
Stu
ck high-
heat
sol
e
noid in
ga
s v
alv
e.
34
IGNIT
ION PROV
IN
G FAILURE
–
If
fla
me is
not
sen
sed
durin
g
the trial
for
igni
tion
period, the
con
trol
w
ill repeat
the
igni
ti
o
n
sequen
ce
3 mor
e
ti
mes be
fore
lo
ckout
#14
occurs.
If
flame
sig
nal i
s lo
st d
u
ring
th
e
blow
er on-delay
period, blow
er w
ill co
me on
for the
sele
cted
blo
w
er
off-delay
.
Che
ck
the follow
ing
it
ems first
before pro
ceed
ing
to the
nex
t
step
.
-
Gas v
a
lv
e turned
off.
- Manual
shut-off
v
a
lv
e.
-
Green/Y
e
llow
w
ire MUST be
conne
cte
d
to furna
ce
sheet
m
e
tal.
-
Flame sen
sor
must not be
groun
ded.
To
dete
rmine
w
h
ether the problem is
in
th
e
gas v
a
lv
e, ignite
r, o
r flame
sen
sor
the
sy
stem can
be oper
ated
in compone
n
t test
mode.
To che
ck th
e
igni
ter
remov
e
th
e
R
thermo
sta
t conn
e
cti
o
n
from the con
trol
,
rese
t pow
er, and
p
u
t
se
tup
sw
itch
S
W
1-6 in
the ON
po
si
tion to
sta
rt
th
e componen
t te
st.
Does the
igni
ter glo
w
orange/w
hite
by
the
end
o
f the
15 se
co
nd
w
a
rm-up
period
?
Unplug
igni
ter
harn
ess from con
trol
an
d
repeat componen
t
test by
turni
n
g
se
tup
sw
itch S
W
1-6
OFF and then back
ON.
Check for 1
1
5V
betw
een pin 3 a
n
d
NEUTRAL-L2 on
th
e co
ntro
l.
Wa
s 115
V
presen
t
for
the 1
5
second
period
?
Check conne
cti
o
ns and
re
try
.
If curren
t i
s near
ty
pical
v
alue
(4.0-6
.0
nominal)
a
n
d burne
rs
w
ill
not stay
on,
rep
e
at che
ck
in high-h
eat.
If bur
ners w
ill
stil
l no
t
stay
on repl
ace
control.
If
b
u
rner
s operate
in
high-hea
t then
sw
itch to
medium-heat, che
ck
mani
fold
pressure
.
If
OK
, ch
eck
burner carry
ov
er
and
flame
sen
sor loca
tion
.
Clean flame
sen
sor
w
ith fin
e
steel w
ool
and re
che
ck
curren
t. Nominal
curren
t i
s
4.0
to
6.0 mi
croam
ps.
Is
curren
t n
e
ar
ty
pical v
alue?
Replace
ele
ctro
de.
Will
main
burner
s
ig
nite
and
stay
on?
Replace
fur
nace
co
ntrol
.
Fi
xed.
NO YE
S
YE
S
YE
S
NO NO
15
BLO
W
ER
MOTOR LOCKOUT
– Indi
ca
tes
the blow
er
failed
to reach
250
RPM
or
the
blow
e
r failed
to
co
mmunicate
w
ithin 3
0
seconds a
fte
r be
ing
tur
n
ed
ON in
tw
o
succe
ssiv
e
heating
cy
cles.
Contro
l w
ill
auto-re
se
t a
fter
3 h
o
urs.
See
code
41.
45 CONTROL
CI
RCUI
TRY
LOCKOUT Au
to-re
set
afte
r 1
hour
lo
ckout due
to: - Flame
cir
cui
t
failu
re
.
-
Gas v
a
lv
e relay
stu
ck
open.
- Softw
are
che
ck
err
or.
Reset pow
er to
cle
ar
lockout. Repla
ce
control
if code
repea
ts.
Replace
fur
n
ace
co
ntrol
.
Check for
con
tinui
ty
in the
harness
and igniter
.
Repla
ce
defe
ctiv
e
com
p
o
n
e
n
t.
Reconne
ct the R
th
ermostat lead
and
set
thermo
sta
t
to
c
a
ll
fo
r hea
t.
Con
n
ec
t
v
oltmeter a
cro
ss ga
s v
a
lv
e connection
s.
Does ga
s v
a
lv
e receiv
e 24V?
Does ga
s v
a
lv
e open and
allow
gas
to
flow
?
Do the
main
burner
s ig
nite?
Do the
main
burner
s
stay
on?
Allow
unit
to
drop
to low
-heat,
and che
ck
manifold
pre
ssu
re.
Repeat te
st to che
ck for
intermi
tten
t opera
ti
o
n.
Check that all
ga
s v
alv
es are
turned
on
. Repla
ce
v
a
lv
e.
Check conne
cti
ons.
If
OK
,
replace
control.
Chec
k for:
- Inadequa
te
flame
carry
o
v
e
r
or rough
igni
tion
.
-
Low
inlet ga
s pre
ssure.
- Proper
firin
g
ra
te
.
- Air
lea
kage
arou
nd
igniter
bracket.
Repeat call
for
h
e
at
and
che
ck flame
sen
sor cur
rent
duri
ng
trial for
igni
tion
period.
Is
the
DC
microamp
s bel
o
w
0.5?
YE
S
YE
S
YE
S
YE
S
Y
ES
NO NO
NO
NO NO NO
43
LO
W
-HE
AT PRES
SURE S
W
ITCH OP
EN
W
H
IL
E MEDIUM-H
EAT PRESSURE
S
W
IT
C
H
IS
C
L
OS
ED
-
C
h
e
ck
fo
r:
-
Low
-heat
pre
ssure sw
itch stu
ck
open
.
-
Discon
nected
or
ob
str
ucted
pre
ssu
re
tubing
.
- Improper
pre
ssure
sw
itch
w
iring.
-
Low
inlet ga
s pre
ssure (i
f L
G
PS
u
sed).
- Plugged
cond
ensa
te
drain
.
-
Wa
ter
in v
ent p
ipin
g, p
ossible
sagging
pipe.
A07582
58MV
C