Olsen OLSSC-075, Installation, Operation & Maintenance Manual

Page: 48 / 72

48
13 - TROUBLE SHOOTING
Is harness
plugged into Supply
Wa
te
r Sensor?
Is harness
plugged into Control
Module J5?
_ P _ _ _
Blocking Error E 5 1 Supply Sens Open
Inser
t Ha
rnes
s
Re
pla
ce Supply
Water Sensor
Disconnect J5
from
Control
Mod
ule.
Using dig
ital me
te
r
measure check
continuity of
bro
w
n
wire
s be
twee
n Co
ntrol
and
Sen
s
o
r.
Continu
ity?
Using digit
al
met
e
r meas
ur
e
re
sistance be
twee
n Su
pply
Water
Sensor terminals J5-11
an
d J5
-3.
M
easure resista
nce
of Sensor with digital meter.
Es
timat
e
Sens
or
temper
at
ur
e.
Does it fall in th
e ran
ge of th
e
Resist
ance Chart?
Re
place Wires
50
t
o
90
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
Supp
ly
Water
Sens
or
Re
sistance
Cha
rt
Disconnect field wiring.
Is
continuity
between field wiring
n
eutra
l
a
nd groun
d less than
10
o
hms?
Is field groun
ding cond
ucto
r
co
nnected to Hig
h Voltage
Terminal Strip 120 VAC (G)?
NO
YE
S
_ P _ _ _
Blocking Error E 4 6 Faulty ground
Conn
ect g
round
c
onduc
tor
YE
S
NO
Correc
t fa
ulty gro
und
c
onduc
tor
Replace Control
Module
NO
YE
S
YE
S
NO
YE
S
NO
Replace Control
Module