Ricoh Aficio MP171 Field Service Manual page 128

6. Troubleshooting
SC No.
SC520-00
SC No.
SC530-00
126
Level Error Name/Error Condition/Major Cause/Solution
Main motor error
When the main motor is driven, the lock (state of rotation) signal is
checked every 100 milliseconds. If the machine detects the lock signal in
the High status 20 times in succession, it reports this error.
D
• The main motor incurs too much load from a defective unit.
• The main motor is defective.
Replace the defective unit or the motor
Level Error Name/Error Condition/Major Cause/Solution
Fusing fan error
The fan motor lock (rotating state) signal is sampled at 100 ms intervals
and the machine fails to receive the lock signal 50 times in succession.
• Failed fan motor
D
• Disconnected connector
• Replace the fan motor.
• Check the connector.
• Replace the harness.
• Replace the IOB.