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-   -   Heating& airconditioning (https://www.askmehelpdesk.com/showthread.php?t=304596)

  • Jan 16, 2009, 07:52 PM
    joe32659
    Heating& airconditioning
    Lite on service board blinks 4 times telling me I have an open limit switch but have 4 on this unit how do I check all for bad one? Unit fires up but blower fan doesn't turn on
  • Jan 16, 2009, 07:56 PM
    hvac1000
    Use a meter and see which one is open

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