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  1. #1

    Liebert Deluxe 3 display panel issue

    I have a water cooled air handler with the old style of display. Nothing lights up on the display except the SET light which doesn't turn off. The unit runs but we had to disassemble the chill water valve to get it to cool. Both boards were changed and so was the panel. Could the unit be stuck in test mode?

  2. #2
    Join Date
    Apr 2012
    Paper Street Soap Company
    This Liebert has the set, sp, etc inside the control panel ?

  3. #3
    Quote Originally Posted by rtetirick View Post
    What is the model# and year of the unit?
    FH488c-A01 1983

  4. #4
    Quote Originally Posted by commtech77 View Post
    This Liebert has the set, sp, etc inside the control panel ?
    Yes the set sw is inside and on the panel is just a red light.

  5. #5
    Join Date
    Sep 2008
    Western PA

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