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IV-24
M-5 Insufficient output from high-voltage power supply unit
Possible cause Step Check Result Remedy
High-voltage
contact
1 Do any of the terminals on the
high-voltage contacts have dirt
or contact burns?
Yes Clean the high-voltage contact.
High-voltage
power supply
PCB
2 Check the connections of the
harness between the high-
voltage power supply and the
panel sensor PCB are secured
correctly.
Yes Replace the high-voltage
power supply PCB.
No Reconnect the harness
between the high-voltage
power supply and the panel
sensor PCB.
M-6 Fixing heater temperature failure
Possible cause Step Check Result Remedy
Poor thermistor
harness contact
1 Are the connectors on the
erase lamp PCB and the high-
voltage power supply PCB
secured correctly?
No Connect the connectors
securely.
Blown thermal
fuse
2 Remove the fixing unit and
measure the resistance
between the input connectors.
Is it open circuit?
Yes Replace the fixing unit.
Thermistor
failure
3 Is the thermistor installed
properly?
Yes Replace the fixing unit.
No Reinstall the thermistor
properly.
Halogen heater
lamp failure
4 Remove the fixing unit and
measure the resistance of the
fixing unit lamp. Is it open
circuit?
Yes Replace the halogen heater
lamp.
M-7 BD failure
Possible cause Step Check Result Remedy
Harness
connection
failure
1 Is connector P2 on the panel
sensor PCB secured correctly?
No Connect it securely.