Ricoh M0AE-17, Field Service Manual

Page: 72 / 82

Code Level Details
530 D Main Fan Motor Error
When the fan motor is ON, a lock signal is sampled every 100 ms. If an incorrect
lock signal is detected 100 times (10 sec), the fan is not rotating properly.
• The fan is defective.
• The harness is loose, disconnected or defective.
• Cycle the power OFF/ON.
• Replace the fan.
• Check the harness.
Code Level Details
541 A Fuser Thermistor Error
No temperature was detected within 6 sec. after the machine was turned on
(temperature was less than 0°C).
This SC is displayed if no temperature was detected 10 times or more.
• The fusing unit thermistor is disconnected, broken, or not set correctly.
• The fusing lamp is disconnected, broken, or not set correctly.
• The fusing unit is defective.
• Check the fusing unit thermistor.
• Check the fusing lamp.
• Replace the fusing unit.
• After solving the problem, the service technician must execute
[FusingSCReset]. Otherwise, the machine will continue to issue this SC code
and cannot be operated. (page 64 "Executing Fusing SC Reset")
5. Troubleshooting
70