Question about Fujitsu 18C1 Air Conditioner

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Fujitsu ASU9RLQ I have a new mini split heat pump/air conditoiner installed. The electronic air cleaner does not operate correctly. After 4-5 minutes of operation, the Operation (red) light on the front of the wall unit flashes 4 times and the Timer (grn) light flashes 7 times indicating an air cleaner monitor trial protection error. The filter is clean (new) and the front panel is closed. I'd appreciate advice re how to resolve the error.

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  • 3 more comments 
  • Anonymous Mar 12, 2014

    the air conditiong works 5 minutes then condenser stops

  • Anonymous Mar 14, 2014

    lg mini split error codes cooling light flashes 7 heat light 6

  • Anonymous Mar 16, 2014

    power triped, now unit display this error code via flashing LED

  • Anonymous Mar 20, 2014

    Tried to reset, but no error code

  • Anonymous Mar 30, 2014

    flashes 4 times than pauses and starts all over again

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Check indoor unit sirkit board

Posted on Mar 15, 2008

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