Ricoh M160 - Page 258

Service Call
M160/M161 6-14 SM
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC532-00 D
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
 Replace the fan motor.
 Check the connector.
 Replace the harness.
 Replace the IOB.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC541-00 A
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.
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC542-01 A
Fusing lamp (Center) thermistor not reloaded 1
The heater thermistor has increased by less than 2.0 degrees in
1.5 seconds 5 times in a row.
 Deformed or floating thermistor
 Input voltage out of range
 Clear the SP: fusing SC.
 Replace the thermistor.