3 port valve problem

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  • btcolink
    Automated Home Lurker
    • Sep 2007
    • 3

    3 port valve problem

    My three port valve (Landis & Staefa MA-V322C) gets very hot and buzzes. It seems to be stuck in the HW position. If I take the head off put into manual mid-position, I seem to get both HW and CW. Can I assume the actuator motor has expired and just needs replacing or should I do more checks? I am reluctant to just replace and hope.
  • sunbeam
    Moderator
    • Feb 2006
    • 261

    #2
    Yes, that would be my guess,

    I'd just change the motor.

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    • btcolink
      Automated Home Lurker
      • Sep 2007
      • 3

      #3
      Thank you. It does seem to be the motor. Since posting I have tried removing the actuator and replacing it in all three different valve positions (W - M - H) it just buzzes away whatever I try to tell it to do from the controller. I'll replace it and see.

      Comment

      • btcolink
        Automated Home Lurker
        • Sep 2007
        • 3

        #4
        fixed

        I've replaced valve head and it now works fine.

        Comment

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