CHAPTER 6 SELF DIAGNOSIS6-13E1000001 The BD signal is not detected 10 times or more within 10 msec in 5 msecafter the generation of the laser drive signal.0002 While the laser is ON, the BD signal cycle is outside a specific range 20times or more continuously.0003 While the laser is ON, the horizontal sync signal cycle is outside a specificrange 20 times or more.Main cause The wiring is faulty (short circuit, open circuit). The BD PCB is faulty. Thelaser scanner unit is faulty. The DC controller PCB is faulty.Action1. BD PCBTry replacing the BD PCB. Is the problem corrected?YES: End.2. Laser scanner unit, DC controller PCBTry replacing the laser scanner unit. Is the problem corrected?YES: End.NO: Replace the DC controller PCB.
