Ricoh Pro 8300S - A3 LCT Tray 1 Rear Blower Fan Error; Sc504-17

1.SC Codes
98
Major Cause
 Power of downstream unit is not turned on.
 Front blower fan is defective or not connected properly.
 Harnesses are damaged.
 PCB is defective.
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Check the connectors of the harnesses (blower fan).
Reconnect the connectors.
2. Check if the blower fan is dirty.
Clean the fan, and turn the main power OFF and then ON.
3. Check the blower fan.
If it is defective, replace it.
4. Check the harnesses (blower fan).
If the harnesses are defective, replace the harnesses.
5. Replace the main PCB, and then turn the main power off and on.
SC504-17
Error Name
A3 LCT Tray 1 Rear Blower Fan Error
Pattern
B
Error Condition
While the rear blower fan is turned on, the signal check detected fan rotation to be abnormal.
Major Cause
 Power of downstream unit is not turned on.
 Rear blower fan is defective or not connected properly.
 Harnesses are damaged.
 PCB is defective.
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Check the connectors of the harnesses (blower fan).
Reconnect the connectors.