6 THE DIAGNOSTIC PROGRAMME CANNOT BE ACCESSED 6.1.1 All LEDs on the circuit are board switched off Are the power cable and connection OK? No Replace or repair the power cable, check the connector Yes Does the suppressor function correctly? No Replace the suppressor Yes Is the wiring from the suppressor to the circuit board (connectors U3.1-U3.2 ) OK? No Replace or repair the wiring Yes Does the programme selector function correctly? No Replace or repair the knob or knob spindle Yes Replace the circuit board and perform the diagnostic programme.
Circuit board U3-1 U3-2 6.1.2 Some of the LEDs of the circuit board light Do the keys move without hindrance in the housings in the control panel and correctly action the corresponding buttons? No Solve the mechanical problems (control panel / keys / spindles) Yes Replace the circuit board and perform the diagnostic programme If there are traces of burning on the circuit board, refer to page 59 2007-10 SOI/DT-mdm FCPD-dp Quality-fz 17/59 599 70 32-47