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Thread: Grundfos magna3

  1. #1
    Join Date
    Nov 2014
    Location
    Philadelphia area
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    Grundfos magna3

    Im working on a boiler with a grundfos magna 3 circ pump and there is no display on the screen but the pump is operating. The green light is spinning above the display but i cant get it to come out of sleep mode. I called my local supplier and the price they gave me for a replacement screen is about the same as a new pump(which is astronomical). Any suggestions?

  2. #2
    Join Date
    Aug 2002
    Location
    Southold, NY
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    16,486
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    Quote Originally Posted by Bglenn525 View Post
    Im working on a boiler with a grundfos magna 3 circ pump and there is no display on the screen but the pump is operating. The green light is spinning above the display but i cant get it to come out of sleep mode. I called my local supplier and the price they gave me for a replacement screen is about the same as a new pump(which is astronomical). Any suggestions?
    Then get a new pump!

  3. #3
    Join Date
    Dec 2004
    Location
    Chicago area
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    6,255
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    Get a different style of pump.


    Sent from my iPhone using Tapatalk

  4. #4
    Join Date
    Apr 2003
    Location
    St. Louis
    Posts
    636
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    Google grundfos service manual since we don't know what model you have

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