Service Call Conditions
SM Appendix 3-15 M018/M019
Appendix:
Trouble-
Shooting
Guide
Zero Cross Error
The zero cross signal is not detected for three seconds even though the fusing
lamp relay is on after turning on the main power or closing the front door.
547
Defective fusing lamp relay
1. Turn the main power switch off and on.
Execute "Engine Maintenance Menu" to recover the machine after
completing the recovery procedure. Otherwise, the machine continues to
issue this SC code and cannot be operated.
Low Temperature Error
The center thermistor detects 100°C or less for 4 seconds.
548
Defective fusing lamp
Defective thermistor
1. Replace the fusing unit.
2. Replace the fusing lamp.
Execute "Engine Maintenance Menu" to recover the machine after
completing the recovery procedure. Otherwise, the machine continues to
issue this SC code and cannot be operated.
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