Troubleshooting Valves

Problem: The valve will not open electrically #

First, run the valve manually by opening the manual bleed lever/screw (turn counterclockwise). Close the manual bleed lever/screw when the manual test is complete.

Check if…

  1. The valve is installed incorrectly – Make sure that the arrows are in the direction of water flow.
  2. Wiring is incorrect – Check wiring at the valve and at the timer with the instructions Check to see that timer is working properly.
  3. There is debris in the porthole – Turn off water. Remove the solenoid. Push a wire or large paper clip down through the round porthole working it up and down to free any debris. Be sure the plunger and O-ring are in place when reassembling.
  4. Defective solenoid – Turn off water. Unscrew the solenoid and replace it with one from a working valve. If the valve works, replace the solenoid. Be sure the plunger and O-ring are in place when reassembling.
  5. Solenoid plunger is stuck – Turn off water. Remove the solenoid and clean out sand and debris. Be sure the plunger and O-ring are in place when reassembling.

Problem: The valve will not close #

Check if…

  1. The valve is installed incorrectly – Make sure that the arrows are in the direction of water flow.
  2. Solenoid plunger is stuck – Turn off water. Remove the solenoid and clean out sand and debris. Be sure the plunger and O-ring are in place when reassembling.
  3. Rock or debris is in between the washer and the valve seat – Turn off water. Remove valve lid and diaphragm assembly and clean the interior of the valve.
  4. Diaphragm has ruptured – Turn off water. Remove the lid and inspect the diaphragm for tears. Replace the diaphragm assembly if torn.

Problem: External valve leaks #

Check if…

  1. PVC fittings going into valve installed incorrectly – Use thread seal tape generously on threads and tighten firmly. Do not overtighten.
  2. Pressure is too high – Install a pressure regulator upstream of the valve and set it at below 80 psi (5.5 bars).
  3. Leaking below solenoid – Turn off water. Tighten solenoid.

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