Ricoh Pro 8300S - Sc731-51; Stacker 2: Shift Tray Exit Fan Motor Error

1.SC Codes
297
Major Cause
 Power of downstream unit is not turned on.
 Shutter motor (M24) is defective.
 Connector is disconnected.
 There is overload.
 Home position sensor is defective.
 Motor driver overcurrent
 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).
SC731-51
Error Name
Stacker 2: Shift Tray Exit Fan Motor Error
Pattern
B
Error Condition
A lock signal is detected (This SC is issued when the error was detected for the first time).
Major Cause
 Power of downstream unit is not turned on.
 Shift tray exit fan motor is defective.
 Shift tray exit fan motor is disconnected.
 Shift tray exit fan motor is overloaded.
Solution
1. Reconnect the connector CN502 on the controller board again, and then turn the main power OFF
then ON to check if the SC occurs. (Be careful not to bend the pins of the connector when you set
it.)
2. Replace the harness of the shift tray exit fan.