Title: Våtventil Brukermanual.pdf
Debris is present in the bypass check valve.Remove the threaded cap to the check valve, and remove any debris. Make sure the clapper is free to move.Water is leaking from the intermediate chamber.Water is getting past the seal.Check the clapper seal and seat for physical damage. Make sure no debris is present on the clapper seal and seat.Make sure there is no vacuum in the alarm line. If a vacuum is present in the alarm line, install the Series 752V Retard Vent Kit or create some means of an air break in the alarm line.The water motor alarm is not ringing or the ringing is weak.No water is going into the intermediate chamber.Make sure the holes in the seat ring are not plugged.Water from the alarm line could be leaking out of the alarm line drain of another valve.Make sure there are check valves isolating the alarm line of each valve in the system.The wrong restrictor size is installed in the alarm line drain.