56
13 - TROUBLE SHOOTING
YES
Remo
ve
all
liquid
from
connector
.
Check
for
leaks.
Repair
all
leaks.
Replace
Control
Module
Replace R
eturn W
ater
Sensor
Is
correct
harness
connected
to
return
sensor
(2
Brown
Wires)?
YES
NO
Correct
wiring
Unplug
molex
connector
on
return
sensor
. Is
there
moisture
or
liquid
on
metal pins? Liquid might be w
ater or
antifreez
e
solution.
NO
Is
Heat
Ex
changer
Pump
properly
oriented?
(Pump
arrow
pointing
down?)
YES
NO
Disconnect harness from
Return
W
ater
Sensor
.
Measure
resistance
using
digital
ohm
meter
. Is
resistance
between
950
to
33,000
ohms?
Install Heat
Ex
changer Pump in
proper
orientation
YES
NO
Replace
Control
Module
Verify
order of
pins
on
J2.
Pin
order
should
be:
empty,
black (or red),
white,
green.
Measure volts
on
pins
of
black
wire a
nd
white wire.
Is
wiring/pins in
right order?
D
oes black/wire ha
ve 120
VAC? D
oes
white wire/pin have
0
VAC?
Содержание GWM-050IE
Страница 45: ...45 13 TROUBLE SHOOTING...
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Страница 51: ...51 13 TROUBLE SHOOTING...
Страница 62: ...62 14 WIRING DIAGRAM 14 1 Connection Diagram 050 075 100 MBH...
Страница 81: ...81 22 NOTES...
Страница 82: ...82 22 NOTES...
Страница 83: ...83 22 NOTES...