Ricoh Pro 8300S - Protective Device Error 2; PSU Fan Error; Sc720-04; Sc720-05

1.SC Codes
215
SC720-04
Error Name
Protective Device Error 2
Pattern
D
Error Condition
An error is detected at voltage level of 24V_INT_1 (this SC is issued when the error was detected for
the first time).
Major Cause
 The downstream device is not turned on.
 Motor defective
 Broken harness
 Broken controller board
* Protective Device: <FU2>
* Related Component:
Shift tray 1 transport motor <DCSM21>
Solution
1. Identifying the defective area
Disconnect each connector of the protection device from the main board of Finisher
SR5110/SR5120 one by one, turning ON the power each time.
2. Identifying the defective component
Disconnect the connector of the component. Connect the connector of the main board of Finisher
SR5110/SR5120, and then turn ON the power of the finisher (keep the harness on the main board
side connected).
3. Controller board error
Replace the controller board of Finisher SR5110/SR5120.
* Before replacing the board, check that the SC occurs in the same way.
SC720-05
Error Name
PSU Fan Error
Pattern
D