Ricoh FT6645 Manual page 357

12 April 1993
1.4 LENS MAGNIFICATION
SC140 - Lens vertical home position sensor abnormal - stays off
Definition: [level: D]
When the lens returns to the home position, the lens vertical home position
sensor does not detect the on condition for 2 seconds or more, and more
than twice.
Possible causes:
•
Lens vertical home position sensor shorted
•
Lens vertical drive motor defective
•
Optics control board defective
SC141 - Lens vertical home position sensor abnormal - stays on
Definition: [level: D]
When the lens returns to the home position, the lens vertical home position
sensor does not detect the off condition for 3.5 seconds or more, and more
than twice.
Possible causes:
•
Lens vertical home position sensor open
•
Lens vertical drive motor defective
•
Optics control board defective
SC142 - Lens horizontal home position sensor abnormal - stays off
Definition: [level: D]
When the lens returns to the home position, the lens horizontal home potion
sensor does not detect the on condition for 1.7 seconds or more, and more
than twice.
Possible causes:
•
Lens horizontal home position sensor short
•
Lens horizontal drive motor defective
•
Optics control board defective
SERVICE CALL CONDITIONS
6-5