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donovankristopherAug 9, 2025
Why doesn't my Galcon DC-4S Controller valve open in auto or manual mode?
- TTaylor Salinas MDAug 9, 2025
If the valve on your Galcon Controller isn't opening in either automatic or manual mode, there could be a connection issue between the controller and the solenoid. Try disconnecting and reassembling the solenoid. Alternatively, the batteries might be dead. In this case, replace them.