Ricoh Pro 8300S - A4 LCT Cooling Fan 3 Error; Sc780-14

1.SC Codes
586
Error Condition
The cooling fan alarm detected an error when the A4 LCT cooling fan 2 was turned ON.
Major Cause
 Power of downstream unit is not turned on.
 A4 LCT cooling fan 2 defective / connector disconnected
 Harness damaged
 PCB defective
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Reconnect the connector.
2. Replace the A4 LCT cooling fan 2.
3. Replace the harness.
4. Replace the PCB.
SC780-14
Error Name
A4 LCT Cooling Fan 3 Error
Pattern
B
Error Condition
The cooling fan alarm detected an error when the A4 LCT cooling fan 3 was turned ON.
Major Cause
 Power of downstream unit is not turned on.
 A4 LCT cooling fan 3 defective / connector disconnected
 Harness damaged
 PCB defective
Solution
In addition to checking for sensor/actuator defect by eye, also execute Input/Output Check as
necessary.
1. Reconnect the connector.
2. Replace the A4 LCT cooling fan 3.
3. Replace the harness.
4. Replace the PCB.