Ricoh MPC 2800 AT-C2 Mode D'emploi page 444

3. Appendix: Service Call Conditions
No. Type
3
-02 D
No. Type
CTL
641
D
No. Type
CTL
650
B
-001 -
76
Details (Symptom, Possible Cause, Troubleshooting Procedures)
• No DESS module
1. Install the expanded authentication module.
2. Install the SD card.
3. Install the DESS module.
Version error
The version of the expanded authentication module is not correct.
• Incorrect module version
Install the correct file of the expanded authentication module.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
BICU control data transfer abnormal
A sampling of the control data sent from the BICU reveals an abnormality.
• Controller board defective
• External noise
• BICU board defective
1. Replace the controller board.
2. Replace the BICU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Communication error of the remote service modem (Embedded RCG-M)
Authentication error
The authentication for the Embedded RCG-M fails at a dial up connection.
• Incorrect SP settings
• Disconnected telephone line
• Disconnected modem board
Check and set the correct user name (SP5816-156) and password (SP5816-157).