47
13 - TROUBLE SHOOTING
Is co
rrect ha
rne
s
s co
nne
cted
to
re
tu
rn sensor (2 Bro
wn
Wire
s)?
NO
YE
S
_ _ _ _
_
Blocking Error E 4 0
Return Temp
Disconn
ect ha
rne
s
s from
Return
Water S
e
nsor.
Measure re
sistance using
digital ohm met
e
r.
Is
re
sistance be
twee
n 950 to
33
,0
00 oh
ms?
Is
Hea
t Exch
ange
r Pump
orie
nted prop
erly?
(Pum
p Arro
w po
inting do
wn?
)
YE
S
NO
YE
S
NO
Correct wiring
Ins
ta
ll He
at
Exch
anger Pump
in
prope
r o
rie
nta
tion
Replace Control
Module
Replace Return
Water
Se
nsor
Co
rrect wirin
g
t
mp
in
a
ti
on
Summary of Contents for SSC Olsen OLSSC-050
Page 46: ...46 13 TROUBLE SHOOTING ...
Page 53: ...53 14 WIRING DIAGRAM 14 1 Connection Diagram ...
Page 54: ...54 14 WIRING DIAGRAM 14 2 Schematic Diagram of Ladder Form ...
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 ...