Ricoh Pro 8320 - Overcurrent Protection Device Error 2 (Multi-Folding Unit); Sc725-04

1.SC Codes
279
Solution
1. Turn the power off and on to check the SC occurs again.
2. Check the harness condition.
Check if the harness between each motor or solenoid and the PCB is damaged or exposed.
(Entrance Junction Gate Motor (M1), Top Tray Transport Motor (M2), Horizontal Transport Motor
(M3), Top Tray Exit Motor (M4), 1st Fold Motor (M5), Jogger Fence Motor (M6), Horizontal Exit
Motor (M7), Stopper 1 Motor (M8), Fold Plate Motor (M9), Registration Roller Release Motor
(M10), Dynamic Roller Lift Motor (M11), Top Tray Junction Gate Solenoid (SOL1), Exit Junction
Gate Solenoid (SOL2), Reverse Junction Gate Solenoid (SOL3))
If so, replace the harness.
3. Replace the control board of the multi-folding unit.
Replace the controller board to replace the fuse.
SC725-04
Error Name
Overcurrent Protection Device Error 2 (Multi-Folding Unit)
Pattern
D
Error Condition
A blown fuse is detected on the 24V2 line.
Major Cause
 Power of downstream unit is not turned to on.
 A fuse on the 24V2 line has blown.
Solution
1. Turn the power off and on to check the SC occurs again.
2. Check the harness condition.
Check if the harness between each motor or solenoid and the PCB is damaged or exposed.
(Stopper 2 Motor (M12), Dynamic Roller Transport Motor (M13), Registration Roller Transport
Motor (M14), Direct-Send Junction Gate Motor (M15), FM6 Pawl Motor (M16), Stopper 3 Motor
(M17), 2nd Fold Motor (M18), Crease Motor (M19), Leading Edge Stop Pawl Solenoid (SOL4),
Bypass Junction Gate Solenoid (SOL5))
If so, replace the harness.
3. Replace the control board of the multi-folding unit.
Replace the controller board to replace the fuse.