1.SC Codes
290
SC730-50
Error Name
Stacker 1: Shutter Motor Error
Pattern
B
Error Condition
ï‚· When the shutter moves to the home position, the home position was not detected within the
specified number of pulses (p0 pulse). (The first time, it is reported as jam. An SC is issued the
second time this occurs.)
ï‚· When the shutter moves from the home position, the home position was still detected after the
specified number of pulses (p1 pulse). (The first time, it is reported as jam. An SC is issued the
second time this occurs.)
ï‚· Motor driver detected an error. (This SC is issued when the error was detected for the first time).
Major Cause
ï‚· Power of downstream unit is not turned on.
ï‚· Shutter motor (M24) is defective.
ï‚· Connector is disconnected.
ï‚· There is overload.
ï‚· Home position sensor is defective.
ï‚· Motor driver overcurrent
ï‚· Motor driver overheat detected.
Solution
1. Open and close the door of the stacker. Check whether or not the SC occurs again.
2. Replace the controller board.
3. Replace the motor harness.
4. Replace the shutter motor (M24).
5. Reconnect the connectors CN520 and 560 (sensor and motor) on the controller board again. (Be
careful not to bend the pins of the connectors when you set them.)
6. Replace the harness of the home position sensor.
7. Replace the home position sensor and the shutter motor (M24).
SC730-51
Error Name
Stacker 1: Shift Tray Exit Fan Motor Error