Gestetner B130 Service Manual page 134

SERVICE CALL CONDITIONS
No. Definition
SC Error
Level
Code Code
500 -- B
541 -- A
--
542 -- A
543 -- A
544 -- A
B129 Series/B044 Series
CÓPIA NÃO CONTROLADA
Symptom
Main motor error
The main motor does not
reach its operation speed
within 0.7 second. Or, the main
motor remains out of its
operation speed for 0.7 second
after reaching the operation
speed.
Fusing thermistor open error
The fusing temperature
remains lower than the
specified temperature by 20
degrees Celsius.
Fusing temperature warm-up error
The fusing temperature rises 7
degrees or less in two
seconds; and this continues 5
times consecutively. Or, the
fusing temperature is not
detected within 25 or 35
seconds.
Fusing overheat error 1
The fusing temperature
detected by the thermistor is
230°C or higher for one
second.
Fusing overheat error 2
The fusing temperature
detected by the monitor circuit
is 250°C or higher for one
second.
CÓPIA NÃO CONTROLADA
Possible Cause
• Overload
• Defective main motor
• Defective thermistor
• Incorrect installation of the
thermistor
• Defective power supply unit
• Loose connectors
• Defective thermistor
• Incorrect installation of the
thermistor
• Defective fusing lamp
• Defective power supply unit
• Defective thermistor
• Defective power supply unit
• Defective thermistor
• Defective power supply unit
4-14 SM