58
YES
Remo
ve
all liquid
from connector
.
Check for leaks. R
epair 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
13 - TROUBLE SHOOTING
g
n n
Replace
Control
Module
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 ...