Sc687-00; Per Not Received Error - Ricoh Pro 8300S Troubleshooting Manual

2. Harness is damaged, or there is grounding fault. Or it is not connected properly.
3. TD sensor (SEN1) is defective.
4. IOB is defective.
5. BiCU is defective.
Solution
1. Check the PCU drawer. Clean the drawer, and set it again.
2. Reconnect the harnesses between the TD sensor and PCU drawer, between the PCU drawer and
IOB, and between the IOB and BiCU. Or replace the harnesses.
3. Replace the TD Sensor (SEN1).
4. Replace the IOB.
5. Replace the BiCU.

SC687-00

Error Name

PER Not Received Error

Pattern
D
Error Condition
PER command cannot be received from the controller.
Major Cause
 Communication error
Unexpected software error

Solution
Turn the main power OFF and then ON.
1.SC Codes
203