Ricoh MP 2014AD - Page 222

SC Code Descriptions
SM 6-24 D245/D246/D247
SC No. Level Error Name/Error Condition/Major Cause/Solution
543-00 A Thermistor (center) high temperature detection: Software
An error is detected when the temperature of 230°C or higher is
detected for 1 seconds continuously.
 Detection with the thermistor (center)
 Detection time: 10 or more
 Measurement interval: 0.1 sec
 Triac short-circuit
 MPU defective
 Replace the MPU.
 Clear this SC by executing SP5-810-001.
SC No. Level Error Name/Error Condition/Major Cause/Solution
544-00 A Thermistor (center) high temperature detection: Hardware
An error is detected when the temperature of 250°C or higher is
detected
 Detection with the thermistor (center)
 Triac short-circuit
 MPU control board defective
 Fusing control error
 Replace the MPU.
 Clear this SC by executing SP5-810-001.