Ricoh MP 2014 - Page 228

SC Code Descriptions
SM 6-30 D245/D246/D247
SC No. Level Error Name/Error Condition/Major Cause/Solution
553-00 A Thermistor (edge) high temperature detection: Software
 Temperature above 230°C is detected for 1 second
continuously.
 Detection with the thermistor (edge)
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
554-00 A Thermistor (edge) high temperature detection: Hardware
Temperature of 250°C or higher is detected by the thermistor
(edge).
 Triac short-circuit
 MPU defective
 Fusing control error
 Replace the MPU.
 Clear this SC by executing SP5-810-001.