Specifications

11.5 SERVICE CALL CONDITIONS
Service Code 52: Fusing Warm-up Error
The temperature detected by the thermistor does not reach
175
o
C within 100 seconds after the main switch
is turned on.
Service Code 53: Fusing Overheat
The temperature detected by the thermistor becomes higher
than 240
o
C.
Service Code 55: Fusing Thermistor Open
The temperature detected by the thermistor does not reach
2
o
C within 30 seconds after the main switch is turned on.
When these service call conditions occure, for safety reason can not be
cleared by turning off/on the main switch. The following procedure must be
performed to clear these service call conditions:
1. Turn on the main switch.
2. Turn DIP switch 101-1 on and off.
3. Turn the main switch off and on.
NOTE: If the cause of the service call condition is not removed, the service
code will be displayed again after this procedure.
1 December 1990
2-76