Sc622-01; Sc622-02; Lct Communication Error - Ricoh Pro 8300S Troubleshooting Manual

1.SC Codes

SC622-01

Error Name

LCT Communication Error

Pattern
D
Error Condition
An error signal is detected during communication between the LCT and the main machine.
Major Cause
1. Power of downstream unit is not turned on.
2. Power cord is not connected properly.
3. Connector is not connected properly.
4. LCT and IOB are not connected properly.
5. LCT control board is defective.
6. IOB is defective.
Solution
1. Check if the power cord is connected properly.
2. Check if the connector is connected properly.
Reconnect the connectors (LCT, IOB).
3. Replace the harness between the LCT and the IOB.
4. Replace the LCT control board.
5. Replace the IOB.
Be careful not to bend the pins of the connector.

SC622-02

Error Name
LCT Communication Error
Pattern
D
Error Condition
An error signal is detected during communication between the LCT and the main machine.
Major Cause
1. Power of downstream unit is not turned on.
2. Power cord is not connected properly.
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