Ricoh D009 Service Manual page 386

Service Call Conditions
Cooling fan motor error
The machine does not detect the fan motor lock signal for 10 seconds after
turning on the cooling fan motor.
532 D
Defective cooling fan motor or connector disconnection.
Disconnected harness
Defective IOB
Paper exit cooling fan motor error
The machine does not detect the fan motor lock signal for 10 seconds after
turning on the paper exit cooling fan motor.
533 D
Defective paper exit cooling fan motor or connector disconnection.
Defective IOB
Disconnected harness
Fusing motor error
The IOB does not receive the lock signal for 2 seconds after turning on the
fusing motor.
540 D
Motor overload
Defective fusing motor or connector disconnection.
Defective IOB
Disconnected harness
Fusing thermistor open (center)
The thermistor (center) detects 0°C or less for 5 sec.
541 A
Fusing thermistor disconnected
Fusing thermistor connector defective
D009/D011/D012/D013/D091/D092 3-18 SM Appendix