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
Service Call 501-584
517
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