Service Call Conditions 
SM Appendix  3-7  M018/M019 
Appendix: 
Trouble- 
Shooting 
Guide 
3.2.2 ENGINE SC 
SC 1xx (Other Error) 
 
Serial Number Error 
The serial number stored in the memory (EGB) is not correct. 
195 
 EEPROM defective 
  EGB replaced without original EEPROM 
1.  Check the serial number. 
2.  If the stored serial number is incorrect, contact your supervisor. 
 
SC 2xx (Laser Optics Error) 
 
Polygon motor error 1: ON timeout 
202 
The polygon mirror motor does not reach the targeted operating speed within 5 
sec. after turning on or changing speed 
Polygon motor error 2: OFF timeout 
203 
The polygon mirror motor does not leave the READY status within 3 sec. after the 
polygon motor switched off. 
Polygon motor error 3: XSCRDY signal error 
The SCRDY_N signal remains HIGH for 200 ms while the LD unit is firing. 
204 
  Polygon motor/driver board harness loose or disconnected 
  Polygon motor/driver board defective 
  Laser optics unit defective 
  IPU (EGB) defective 
1.  Replace the interface harness of the laser optics unit. 
2.  Replace the laser optics unit. 
3.  Replace the EGB (Engine Board). 
 
http://www.manuals4you.com