59 38 399 D3352
D3352.076.01.13.02
07.2008
3 – 15
Tab 3
3.5 Checking the light barriers
3.5
3.5
Checking the light barriers
Pin Signal
1
GND
2
3.3 V or 5 V
3
Signal
4
GND
Is the plug connection between the
light barrier and the board OK?
Is a replacement light barrier
available?
Temporarily install replacement
light barrier and check unit
functioning.
• Is the unit functioning properly?
Replace light barrier,
see section 6.19.
Clean plug; in case of a defect,
fix or replace defective component,
see section 6.
no
Actuate light barrier manually and
check signal change on pin 3 of light
barrier connector:
Note:
When inspecting the light barrier,
check to see whether ambient light
can influence its function.
• Are the signals OK?
no
no
Replace light barrier,
see section 6.19.
Light barrier is OK!
Continue troubleshooting acc. to
error list (see section 2.5).
no
yes
yes
yes
yes
Summary of Contents for ORTHOPHOS XG 3 DS
Page 4: ......
Page 9: ...ORTHOPHOS XG 1General information...
Page 12: ...59 38 399 D3352 1 4 D3352 076 01 13 02 07 2008 Tab1...
Page 59: ...ORTHOPHOS XG 2 Messages...
Page 124: ...59 38 399 D3352 2 66 D3352 076 01 13 02 07 2008 2 6 List of available service routines Tab 2...
Page 125: ...ORTHOPHOS XG 3 Troubleshooting...
Page 153: ...ORTHOPHOS XG 4 Adjustment...
Page 269: ...ORTHOPHOS XG 5 Service routines...
Page 433: ...ORTHOPHOS XG 6 Repair...
Page 436: ...59 38 399 D3352 6 4 D3352 076 01 13 02 07 2008 Tab6...
Page 530: ...59 38 399 D3352 6 98 D3352 076 01 13 02 07 2008 6 21 Replacing cables Tabs 6...
Page 531: ...ORTHOPHOS XG 7 Maintenance...
Page 577: ...b 59 38 399 D3352 D3352 076 01 13 02 07 2008...