
 25
SCANNER OPERATION 
INDICATOR DESCRIPTIONS 
Error 
Code  Description 
21 
LASER #1 (VERTICAL) ERROR – The laser in the vertical scanning subsystem denotes a failure.  The scanner 
will try three times to correct the laser operation.  If the laser error persists, the vertical scanning subsystem will 
be shut down and this error code will remain on the Diagnostic Indicators. 
22 
LASER #2 (RIGHT HORIZONTAL) ERROR – The right laser in the horizontal scanning subsystem denotes a 
failure.  The scanner will try three times to correct the laser operation.  If the laser error persists, and the left 
horizontal laser (#3) is also in error, the horizontal scanning subsystem will be shut down and this error code will 
remain on the Diagnostic Indicators. 
23 
LASER #3 (LEFT HORIZONTAL) ERROR – The left laser in the horizontal scanning subsystem denotes a failure.  
The scanner will try three times to correct the laser operation.  If the laser error persists, and the right horizontal 
laser (#2) is also in error, the horizontal scanning subsystem will be shut down and this error code will remain on 
the Diagnostic Indicators. 
31 
MOTOR #1 (VERTICAL) ERROR – The motor in the vertical scanning subsystem denotes a failure.  The scanner 
will try three times to correct the motor operation.  If the motor error persists, the vertical scanning subsystem will 
be shut down and this error code will remain on the Diagnostic Indicators. 
32 
MOTOR #2 (HORIZONTAL) ERROR – The motor in the horizontal scanning subsystem denotes a failure.  The 
scanner will try three times to correct the motor operation.  If the motor error persists, the horizontal scanning 
subsystem will be shut down and this error code will remain on the Diagnostic Indicators.