I have an old EIS 5000 fuel analyser which displays the error "Communication Error with IOBoard". The system was used a long time ago without problem until this problem came and was never solved. The only documentation I found is the user manual, but it doesn't go in such details (http://www.aircheckdavis.com/documents/UT_EIS5000-EIS7000_Analyzer_OwnerOperators_Manual(2012-10).pdf).

Does anyone know how to solve this problem or could point me in the right direction?

  • Welcome to Motor Vehicle Maintenance & Repair! – Pᴀᴜʟsᴛᴇʀ2 Aug 21 '19 at 2:30
  • First I would make sure all the board connectors are clean & tight - especially since it has not been used in a while. – Solar Mike Aug 21 '19 at 4:22

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