ECR International Olsen OLSSC-050, Installation, Operation & Maintenance Manual, Page: 63 / 84

63
Disconn
ect ha
rne
s
s 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
s
s from
Re
tu
rn Te
mperat
ure Sensor.
M
e
a
s
u
re
r
e
s
is
ta
n
c
e
a
c
ro
s
s
se
nsor terminals.
Is resistance
le
s
s
t
h
a
n
5
0
o
h
m
s
?
NO
YE
S
Replace
w
ir
e
s
YE
S
NO
Replace
Return Water
Se
nsor
Replace
Control
Module
Disconne
ct wire ha
rne
s
s from
Vent Temp
erature
Se
nsor.
Measure Sensor
resista
n
ce
.
D
o
e
s
r
e
s
is
ta
n
c
e
m
a
tc
h
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
4
K 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
s
s from
Control Module J5. Continuity
in
b
lue wire
s?
YE
S
NO
Replace
Control
Module
Replace
w
ir
e
s
13 - TROUBLE SHOOTING