55
YES
Remo
ve all liquid
from connector
.
Check for leaks. Repair all leaks.
Replace Control Module
Replace R
eturn W
ater
Sensor
13 - TROUBLE SHOOTING
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. Mea
-
sure volts on pins of black wire and white
wire. Is wiring/pins in right order? Does
black/wire have 120 VAC? Does white wire/
pin have 0 VAC?
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Страница 44: ...44 13 TROUBLE SHOOTING ...
Страница 48: ...48 13 TROUBLE SHOOTING ...
Страница 50: ...50 13 TROUBLE SHOOTING ...
Страница 61: ...61 14 WIRING DIAGRAM 14 1 Connection Diagram ...
Страница 62: ...62 14 WIRING DIAGRAM 14 2 Schematic Diagram of Ladder Form ...
Страница 78: ...78 NOTES ...
Страница 79: ...79 Company Address Phone Company Name Tech Initials Service Performed Date ...