Ricoh G188 Service Manual page 322

Service Call Conditions
No. Type
Second duct fan error
The machine does not detect the fan motor lock signal for 2 seconds
while the second duct fan turns on.
534 D
1.
2.
3.
No. Type
Paper exit fan error
The machine does not detect the fan motor lock signal for 2 seconds
while the paper exit fan turns on.
535 D
1.
2.
3.
No. Type
536 D Third duct fan error
The motor lock signal error is detected for 10 seconds after the motor
lock signal was first detected.
G188/G189
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Disconnected harness
Overload on the second duct fan motor
Defective second duct motor
Defective IOB
Check or replace the harness.
Replace the second duct fan.
Replace the IOB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Disconnected harness
Overload on the paper exit fan motor
Defective paper exit motor
Defective IOB
Check or replace the harness.
Replace the paper exit fan.
Replace the IOB.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
3-26 SM Appendix