51
13 - TROUBLE SHOOTING
Disconn
ect ha
rne
s
s from
Control M
odule J5.
M
easure
resistan
ce
b
etwee
n
brown
wires
a
t terminals J5
-4
a
nd J5
-
1
2.
Is resistan
ce
le
ss
th
an
50
ohms?
_ P _ _ _
Blocking Error E 6 0
Return sens shorted
Disconn
ect ha
rne
s
s from
Re
tu
rn Te
mperature Sensor.
Measure resistance across
sensor terminals.
Is resistance
less than
5
0
ohms?
NO
YE
S
Replace
w
ir
es
YE
S
NO
Replace Return
Water
Se
nsor
Replace Control
Module
Disconnect wire harness from
Vent Temperature
Sensor.
Measure Sensor
resista
nce
.
Do
es resistan
ce
ma
tch
estima
te
d flu
e te
mperature?
NO
YE
S
_ P _ _ _
Blocking Error E 6 5
Flue Sens
Shorted
Rep
lace Vent
T
empera
tur
e Se
nsor
5
0
to
9
0
1
0
to
3
2
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
5
4
to
6
6
3
2
to
5
4
6
6
to
9
4
Vent
Temperat
ure Sensor
Re
sistance
Cha
rt
Disconn
ect ha
rne
s
s from
Control Module J5. Continuity
in
b
lue
wire
s?
YE
S
NO
Replace Control
Module
Replace
wir
es
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...