Ricoh MPC 2800 AT-C2 Field Service Manual page 424

3. Appendix: Service Call Conditions
No. Type
534 D
3
No. Type
535 D
68
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Second duct fan error
The machine does not detect the fan motor lock signal for 2 seconds while the second
duct fan turns on.
• Disconnected harness
• Overload on the second duct fan motor
• Defective second duct motor
• Defective IOB
1. Check or replace the harness.
2. Replace the second duct fan.
3. Replace the IOB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Paper exit fan error
The machine does not detect the fan motor lock signal for 2 seconds while the paper
exit fan turns on.
• Disconnected harness
• Overload on the paper exit fan motor
• Defective paper exit motor
• Defective IOB
1. Check or replace the harness.
2. Replace the paper exit fan.
3. Replace the IOB.