Ricoh Gim-MF1a Field Service Manual page 149

SC No. Level
SC532-00 D
SC No. Level
SC541-00 A
Error Name/Error Condition/Major Cause/Solution
PSU Cooling 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
• Disconnected connector
• Harness disconnection
• Defective IOB
• Replace the fan motor.
• Check the connector.
• Replace the harness.
• Replace the IOB.
Error Name/Error Condition/Major Cause/Solution
Broken fusing (Center) thermistor wire
The condition whereby the temperature is -20 deg C or less for 5 seconds
has been detected 10 times or more.
• Broken thermistor wire
• Bad connector contact
• Clear the SP: fusing SC.
• Check the connector connection.
• Replace the fusing (Center) thermistor.
Service Call
147