Ricoh Pro 8300S - Fan Motor Error (Shift Sort Tray); Sc724-80

1.SC Codes
277
Perform Output Check to see if the motor rotates on its own, whether it is overloaded, and whether
the drive is transmitted. Perform Input Check to see if the sensor turns off and on. Replace the
motor or sensor if it is defective.
4. Board defective
Check if there are any traces of short circuit on the controller board. If so, replace it.
SC724-80
Error Name
Fan Motor Error (Shift Sort Tray)
Pattern
D
Error Condition
Fan Motor lock is detected.
Major Cause
 Power of downstream device is not turned on.
 Motor is defective
 Connector is not connected properly
 Harness is damaged
 Board is defective
Components: Fan Motor
Solution
1. Connector not connected properly
Check all the connectors are correctly connected. (main board, motor, relay)
Reconnect the connector if it is not connected correctly.
2. Harness damaged
Check if the harness between the board and the motor is damaged or exposed.
Replace the harness if it is not in good condition.
3. Motor defective
Check that the motor's drive is transmitted to other components. Check if the motor is overloaded.
Replace the motor if it is defective.
4. Board defective
Check if there are any traces of short circuit on the controller board. If so, replace it.