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  • August 3, 2024 at 11:48 am #1749
    theachub_m40wgrTheAChub
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      Code Text Description Cause Check Procedure
      6841 A-Control E7/E9 fault. Comms Failure indoor to outdoor (S2/S3) Check interconnecting cable, check for pumps wired in to S1-S2, check indoor isolator, repower in correct sequence i.e. indoor then outdoor.
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