SC No. Level Error Name/Error Condition/Major Cause/Solution
SC544-01 A Fusing central thermopile high temperature detection (hardware)
In the event of an error
• Triac defective (short-circuit)
• Engine controller defective
• Heating central thermopile defective
• Fusing control software: out of control
• If the triac is defective, replace the AC power supply board
• If necessary, replace the BCU or the heating central thermopile
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC544-02 A Fusing central NC sensor high temperature detection (hardware)
In the event of an error
• Triac defective (short-circuit)
• Engine controller defective
• Heating central thermopile defective
• Fusing control software: out of control
• Attach the new fusing unit, then run SP-5-810-002
• If the triac is defective, replace the AC power supply board
• If necessary, replace the BCU or the Fusing central NC sensor
Service Call 501-584
505
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