SC No. Level Error Name/Error Condition/Major Cause/Solution
SC545-00 A Fusing central heater continuously Heat
After waiting for full power for more than (t6) seconds continuously, not
detected for (t8) seconds.
• Definition of heater full power
Continuously heating rate set point (maximum heating rate)
• Measurement start point
After reload (after heater extinguished, after rotation complete)
below the standby temperature (target temperature), measurement
starts after a heater heat-up request is issued.
• Measurement stop condition
Rotation started due to a print signal during measurement or other.
• Maximum heat-up Duty (SP interlinked value) 0% is excluded.
• Thermistor deformation/float
• Heater disconnection
• After excessive temperature rise prevention unit operates
• Replace the thermistor
• Replace the fusing lamp
• Replace the fusing unit
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC547-01 D Zero cross error (relay-contact soldering)
In the event of an error
• Fusing relay defective (contact soldering)
• Fusing relay drive circuit fault
• Turn the main power supply switch OFF/ON
• If the fusing relay is damaged, replace the PSU (AC Controller
Board)
• Check the connection between PSU (AC Controller Board) and
control board, and replace harness and board if necessary
5. Troubleshooting
506
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