Kyocera PE-MF2 Service Manual page 146

3. Appendix: Troubleshooting Guide
LSU Fan Motor Error
A LOCK signal is not detected for more than ten seconds while the motor START signal is on and
if this error occurs twice consecutively, this SC is issued.
530
• Disconnected or defective motor harness.
• Defective LSU fan motor
1. Check or replace the motor harness.
2. Replace the LSU fan motor.
3
Fusing Fan Motor Error
A LOCK signal is not detected for more than ten seconds while the motor START signal is on and
if this error occurs twice consecutively, this SC is issued.
531
• Disconnected or defective motor harness.
• Defective LSU fan motor
1. Check or replace the motor harness.
2. Replace the fusing fan motor.
Thermistor Error
The thermistor output is less than 0°C for 7 seconds.
• Disconnected thermistor
• Defective harness connection
541
1. Check the harness connection of the thermistor.
2. Replace the fusing unit.
• Execute "Engine Maintenance Menu" to recover the machine after completing the recovery
procedure. Otherwise, the machine continues to issue this SC code and cannot be operated.
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