%RAP 09 Operation Panel MalfunctionRAP 09 Operation Panel MalfunctionSTARTThe operation panel does not function properly.Do the operation panel LEDs light when power is applied?Yes Make sure the cable from CN1 of the operation panel is properly connected to CN7 on the maincontrol board.Go to ANo Check the F1 fuse on the main control board and the fuse on the power supply board. Are theyopen?Yes Replace the open fuse with one that has the proper rating.Go to ANo Replace the power supply unit.Go to AAHas the problem been resolved?Yes End of procedure.No Replace the operation panel board.Has the problem been resolved?Yes End of procedure.No Replace the main control board.Has the problem been resolved?Yes End of procedure.No Contact Technical Support.ML520/521 ( 96-02-04 )
