
Rain Master Irrigation Systems DX2 User Manual
Page 214 Chapter 10: Troubleshooting
Flow Sensor Reading Always Zero
Start
Are Rain Master
K and Offset values set
correctly?
Is water physically passing
through flow sensor?
Reference Rain Master K and Offset
tables Appendix A
No
No
Yes
No
Yes
Yes
1
2
3
Check:
A – direction of flow sensor
B – continuity of EV-CAB-SEN cable
C – calibration if required
Ref. (A-22)
Ref. Appendix G
Is installation of flow sensor
correct?
Does a manual valve need
to be opened?
Does a pump need to be turned on? Ref. (4-13), (8-
11)
Does a master valve need to be turned on? Ref. (4-
13), (8-11)
Refer to (A-22)
Disconnect sensor wires from “Input 1+” and
“Input 1-“ terminals.
A
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