Ricoh D025 - Page 460

SC Tables
D023/D025 3-8 SM Appendix
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SBU communication error
The SBU connection cannot be detected at power on or recovery from
the energy save mode.
 Defective SBU
 Defective harness
 Defective detection port on the BICU
144 D
1. Replace the harness.
2. Replace the SBU.
3. Replace the BICU.
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
161 D IPU error
The error result of self-diagnostic by the ASIC on the BICU is
detected.
 Defective BICU
Defective connection between BICU and SBU
001
1. Check the connection between BICU and SBU.
Replace the BICU.
Detected an error during an access to the Ri.
 Defective BICU board
002 D
1. Replace the BICU board.