SYNTIA 05 SERVICE MODESaeco International Group Rev.01 February 2010 Page 1 / 075.1. Digital test modeTo enter Test Modeplace the control knob in the water position1.keep the espresso coffee key pressed2.switch the appliance on from the 0/I button3.located at the rear of itrelease the espresso coffee key4.lev. pos.knob display key function notesL0View softwareversionThe software version must bethe same as that stated on theMicroProcessor platePRESS THE ON/OFF KEY TO ACCESS THE NEXT LEVEL UPL1Initial condition with no keys pressedno. 1 from “ N toY ” and displayfrom greenchange to redIf display does not change andremains as initial condition, replaceinterface card and/or flat cableJP21. If the colour of the displayremains green,check JP4 wiring from interfacecard to displayno. 2 from “N toY” and displayfrom greenchange to orangeno. 3 from “N toY” and displayremains greenIf display does not change andremains as initial condition, replaceinterface card and/or flat cableJP21.PRESS THE ON/OFF KEY TO ACCESS THE NEXT LEVEL UPOperational check – keys Softwareversion1 2 3 4Y N N NKEYBOARD1 2 3 4N N Y NKEYBOARD1 2 3 4N Y N NKEYBOARD1 2 3 4N N N NKEYBOARD00.02.00FIRMWARE