SC Tables
SM Appendix 3-29 M065/M066
Appendix:
Service Call
Conditions
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
542 A
Heating roller warm-up error 1
After the main switch is turned on or the cover is closed, the
increment of the heating roller temperature per 10 seconds is 30°C
or less. If this condition is detected five times consecutively, SC
542 is defined.
The heating roller temperature does not reach 100°C for 15
seconds after the heating lamp on.
The heating roller temperature does not reach the ready
temperature while 60 seconds after the heating lamp on.
The center temperature of the heating roller does not reach the
ready temperature for 30 seconds after the edge temperature of
the heating roller has reached the ready temperature.
Dirty or defective thermopile
Defective thermopile.
Trash on the surface of the thermopile lens.
Defected thermistor.
Input voltage is over guaranteed value
Defective heating roller lamp
1. Check if the thermopile is firmly connected.
2. Clean the surface of the thermopile lens.
3. Test the conductance for the thermopile and the heating roller
4. Replace the thermopile.
5. Replace the heating roller lamp.