Lennox GWM-050IE, Installation Instructions Manual

Page: 61 / 84

61
Disconn
ect
ha
rne
ss
from
Contro
l M
odule
J5.
M
easure
resistan
ce
b
e
twee
n brown
wires
at
terminals
J5
-4
a
nd
J5
-
1
2
.
Is
resistan
ce
le
ss th
an 50
oh
ms?
_ P _ _ _
Blocking Error E 6 0 Return sens shorted
Disconn
ect
ha
rne
ss
from
Re
tu
rn
Te
mperat
ure
Sensor.
M
ea
su
re
re
si
st
an
ce
a
cr
os
s
se
nsor
terminals.
Is
resistance
less
than
5
0
ohms?
NO
YE
S
Replace
w
ir
e
s
YE
S
NO
Replace
Return Water
Se
nsor
Replace
Control
Module
Disconne
ct
wire
ha
rne
ss
from
Vent
Temp
erature
Se
nsor.
Measure
Sensor
resista
nce
.
D
oe
s
re
si
st
an
ce
m
at
ch
estima
te
d
flu
e
te
mperature?
NO
YE
S
_ P _ _ _
Blocking Error E 6 5 Flue
Sens
Shorted
Rep
la
ce Vent
T
em
p
e
ra
tu
re
S
e
n
s
o
r
50
t
o
90
10
t
o
32
9K
to
2
4K
ohms
1
50
t
o
20
0
90 to 130
°F
°C
R
e
s
ist
an
ce
1
30
t
o
15
0
2K
to
1K
oh
ms
2K
to
3K
oh
ms
3K
to
9K
oh
ms
54
to
66
32
t
o
54
66
to
94
Ve
nt
T
e
mp
er
a
tur
e
Se
n
s
or
Re
sistance
Cha
rt
Disconn
ect
ha
rne
ss
from
Control
Module
J5.
Continuity
in
b
lue
wire
s?
YE
S
NO
Replace
Control
Module
Replace
w
ir
e
s
13 - TROUBLE SHOOTING