Service Call 501-584
SM 5-75 D146/D147/D148/D149/D150
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC555-00 D Fusing Edge 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 excess temperature rise prevention unit operation
§ Replace the thermistor
§ Replace the fusing lamp
§ Replace the fusing unit
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC557-00 C Zero Cross Frequency Exceeded
In the event of an error
Frequency instability of commercial power line/Noise
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