L4-39

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  • fanasa
    Technician
    • Jul 2010
    • 34
    #1

    [Error Code] L4-39

    anyone had a l4-39 code? replaced fan and it is still there. next will teh PCU PWB. any other ideas?
    Tags: code, fan, forgot, model, mxm, mxm850, pcu, pwb, replaced, sim, ste, test
    • OMD-227
      #2
      What is the model?

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        • fanasa
          Technician
          • Jul 2010
          • 34
          #3
          opps. I forgot. MXM850

            Comment

            • OMD-227
              #4
              Does the fan rotate in fan sim test 6?

              If not, you possibly have a harness problem. If it does (and you have replaced the fan already), you have a return signal fault. Most likely a PCU board issue.

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                • fanasa
                  Technician
                  • Jul 2010
                  • 34
                  #5
                  yeah, that's our next step

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