Service Call 700-792
SM 5-109 D146/D147/D148/D149/D150
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC720-51 B Booklet Adjustment Claw Displacement Motor Error (2K/3K
sheet finisher)
SC720-53 B Booklet Reference Fence Motor Error (2K/3K sheet finisher)
SC720-65 B Press Folding Motor Error (2K/3K sheet finisher)
SC720-71 B Shift Motor Error (2K/3K sheet finisher)
SC720-72 B Shift Jogger Front Motor Error (2K/3K sheet finisher)
SC720-73 B Shift Jogger Rear Motor Error (2K/3K sheet finisher)
SC720-74 B Shift Jogger Retreat Motor Error (2K/3K sheet finisher)
SC720-77 B Edge Guide Motor Error (2K/3K sheet finisher)
§ Motor driver detects an error (short-circuit/ overheating) (1st
time, SC).
§ During movement to home, the home position could not be
detected within a predetermined pulse (p0 pulse) (1st time
is jam notification, 2nd time is SC notification).
§ During movement from home, the home position was
detected for longer than a predetermined pulse (p1 pulse)
(1st time is jam notification, 2nd time is SC notification).
§ Motor defective
§ Connector disconnected
§ Overload
§ Encoder defective (*SC720-25 only)
§ Home position sensor defective
§ Check the motor
§ Check the home position sensor connection
§ Replace the motor
§ Replace the home position sensor
§ Replace the controller
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