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Wednesday, May 23rd 2018, 9:56am

Rain Bird RC-4Bi won't automatically start, when utilize manual start won't cycle through other zones

I have a Rain Bird RC-4Bi system. The system will not automatically start. If I advance the system manually, it sprinkles the appropriate zone, but does not advance to the next zone after allotted time. The clock works and keeps time just fine. Why won't the system start automatically and advance through all of the zones?


Supreme Member

Posts: 5,287

Location: Metro NYC


Wednesday, May 23rd 2018, 1:26pm

You need a new controller rapid-advance motor, most likely, but for the money, another controller will be a better way to go.

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