Service Call 501-584
SM 5-81 D146/D147/D148/D149/D150
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC574-00 A Pressurized Edge Thermistor High Temperature Detection
(hardware)
Above (T4) degrees C detected
§ Triac short-circuit
§ IOB defective
§ BCU defective
§ Fusing control: out of control
§ Replace the IOB
§ Replace the BCU
§ Replace the fusing unit
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC581-00 A Pressurized Expanded Edge Thermistor Disconnection
Below 0 degree C (or above 3F9) detected for (t12) seconds
continuously.
Detection period: 100ms, detection count: 10 times or more.
§ Thermistor disconnection
§ Connector disconnected
§ Replace the thermistor
§ Reset the connector
§ Replace the connector
§ Replace the fusing unit
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