50
13 - TROUBLE SHOOTING
Disconnect harness from
Vent
T
e
mperature Sensor and
Control Module J5. Continuity
for
each blue wire?
Is
h
arn
ess plu
gge
d into Ve
nt
Temperature Se
ns
or
?
Is
harness
p
lugge
d into Co
ntro
l
Module J5?
NO
YE
S
_ P _ _ _
Blocking Error E 5 7
Flue sens
open
In
sert harne
ss
YE
S
NO
Measure resistance across
Vent Temper
at
ur
e
Sens
or
terminals.
Does resist
ance
match estim
a
ted flu
e
te
mperature (see table
)?
YE
S
NO
Replace
wir
es
Replace Control
Module
Replace Vent
T
empera
tur
e Se
nsor
Disconnect wire harness from
H
igh Temper
at
ur
e
Supply
Swit
ch.
Measure resist
ance
acro
ss
termina
ls 2 an
d 4.
Do
temp
era
tu
re
a
nd re
sistance fall
w
ithin ranges
s
h
ow
n in char
t?
NO
YE
S
_ P _ _ _
Blocking Error E 5 9
Supply Sensor Shorted
Disconnect J5
from
Control
Module.
Continuity between
J5-11
and
Switch
2
?
Continuity between
J5-3 and
Swit
ch 4?
YE
S
NO
5
0
to
9
0
10
t
o
32
9K to
2
4K ohms
15
0 to
2
0
0
90 to 130
°F
°C
R
e
s
istan
ce
13
0 to
1
5
0
2K
to 1K ohms
2K
to 3K ohms
3K
to 9K ohms
54
t
o
66
32
t
o
54
66
t
o
94
High
Te
mp
erature
Supp
ly
Sw
itch
Re
sistance
Cha
rt
Replace High
Tempe
rature Supply
Sw
it
ch
Replace
w
ir
es
Replace Control
Module
Summary of Contents for OLSSC-075
Page 45: ...45 13 TROUBLE SHOOTING...
Page 52: ...52 14 WIRING DIAGRAM 14 1 Connection Diagram...
Page 53: ...53 14 WIRING DIAGRAM 14 2 Schematic Diagram of Ladder Form...
Page 70: ...70 NOTES...
Page 71: ...71 Date Service Performed Company Name Tech Initials Company Address Phone...
Page 72: ...ECR International Inc 2201 Dwyer Avenue Utica NY 13504 4729 web site www ecrinternational com...