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Starting Member


Wednesday, June 5th 2013, 3:53pm

Troubleshooting a hunter Pro-C

I have a Hunter PRO-C that has worked for years. Now it shows that stations are watering but, no water is coming out of the heads. If I manually actuate the valves they work so, I know it's got water. For whatever reason, the controler isn't sending the signal to open the valves. I have tried re-setting the whole system and reprogramed the PRO-C. I have also by-passed the rain sensor. Any ideas as to why it's not working? ?(


Supreme Member

Posts: 5,330

Location: Metro NYC


Wednesday, June 5th 2013, 4:09pm

Check the electrical health of the wiring with some resistance testing.



Posts: 2,393

Location: USA


Wednesday, June 5th 2013, 7:17pm

Also make sure the controller isn't running off the back up battery only. Take the battery out for a few minutes. Is the display gone now?
Is the outlet working?
Is there power from the transformer?
Yep could be a broken common wire.


Starting Member


Sunday, June 9th 2013, 4:51pm

do you have master valve on the system

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