60
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
so
r.
Continu
ity?
Using digit
al
met
er
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
to
9
0
10
to
32
9K to
2
4K ohms
15
0 to
2
00
90 to 130
°F
°C
R
es
istan
ce
13
0 to
1
50
2K
to 1K ohms
2K
to 3K ohms
3K
to 9K ohms
54
to
66
32
to
54
66
to
94
Supp
ly
Water
Sens
or
Re
sistance
Cha
rt
Disconnect field wiring.
Is
continuity
between field wiring
ne
utra
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
13 - TROUBLE SHOOTING
Содержание DKVLT-050
Страница 47: ...47 13 TROUBLE SHOOTING ...
Страница 51: ...51 13 TROUBLE SHOOTING ...
Страница 53: ...53 13 TROUBLE SHOOTING ...
Страница 62: ...62 Supply Water Temperature Sensor Resistance Chart 13 TROUBLE SHOOTING ...
Страница 64: ...64 14 WIRING DIAGRAM 14 1 Connection Diagram 050 075 100 150 200 MBH ...
Страница 66: ...66 14 WIRING DIAGRAM 14 3 Connection Diagram 299 MBH EXTERNAL PUMP RELAY LIMIT OF 1 AMP PER PUMP SEE SECTION 8 ...
Страница 83: ...83 NOTES ...
Страница 84: ...ECR International Inc 2201 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...