Troubleshooting 2900s valve

Discussion in 'Water Softener Forum, Questions and Answers' started by GregJ, Dec 3, 2016.

  1. GregJ

    GregJ New Member

    Joined:
    Dec 3, 2016
    Location:
    Florida
    2900s goes through a regen. cycle and there is no water. No hard water bypass piston is in . what is the problem
     
  2. ditttohead

    ditttohead Water systems designer, R&D

    Joined:
    Jan 9, 2012
    Occupation:
    Water systems designer, R&D, Technical Director
    Location:
    Ontario California
    If you have a no hard water bypass piston, the piston shuts off the outlet during the regeneration process. Therefore you will have no water. Is it a single tank system? If so, then it is more common to use a Hard Water Bypass Piston. NHWBP pistons are usually used on multi tank systems.
     
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  4. GregJ

    GregJ New Member

    Joined:
    Dec 3, 2016
    Location:
    Florida
    After cycle is complete the NHWBP piston goes all the way in when it should be out. My thought is a micro switch or could the top and bottom switches be out of sync. This is a single tank system,thanks
     
  5. ditttohead

    ditttohead Water systems designer, R&D

    Joined:
    Jan 9, 2012
    Occupation:
    Water systems designer, R&D, Technical Director
    Location:
    Ontario California
    Is it a mechanical (3200) or NXT series controller? I would recommend removing the wires from the micro switches and reconnecting them. These can get installed improperly causing a poor connection. The mechanical system design is quite simple and easy to diagnose by using the wiring schematics. The electronic NXT... if the problem persists do a master reset of the controller and reprogram it.
     
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