Unit installation

AR-C330 SELF DIAG MESSAGE AND TROUBLESHOOTING 10 - 46
F3 42 Case 3 Trouble
position/
cause
Bad connection between
the PCU MAIN PWB and
the lift unit.
Remedy (Check) Check connection
between the PCU MAIN
PWB and the lift unit.
(Repair) Repair or replace
the connector and cables of
the PCU MAIN PWB and
the lift unit. / Power Source-
ON
(After-work)
Case 4 Trouble
position/
cause
PCU MAIN PWB trouble
Remedy (Check)
(Repair) Replace the PCU
MAIN PWB. / Power
Source-ON
(After-work) Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
PCU MAIN PWB to a new
PCU MAIN PWB.)
Main
code
Sub
code
Title
ICU PWB - printer controller
communication trouble (ICU
detection)
F9 0 Phenomena Display Lamp
Message
Detail Communication (protocol,
data) error
Section ICU IMAGE PWB /
PRINTER CONTROLLER
Operation
mode
Warm-up / Printing
Note
Case 1 Trouble
position/
cause
Printer I/F PWB trouble
Remedy (Check) Check the printer I/
F PWB.
(Repair) Replace the printer
I/F PWB. / Power Source-
ON
(After-work)
Case 2 Trouble
position/
cause
Bad connection of the
signal line between the
printer controller and the
ICU image PWB.
Remedy (Check) Check the signal
line between the printer
controller and the ICU
image PWB.
(Repair) Repair or replace
the cable and the connector
between the printer
controller and the ICU
image PWB. / Power
Source-ON
(After-work)
Main
code
Sub
code
Title
Lift up trouble (Paper 4)
F9 0 Case 3 Trouble
position/
cause
ICU IMAGE PWB trouble
Remedy (Check)
(Repair) ICU IMAGE PWB
replacement / Power
Source-ON
(After-work) Re-enter setup
values and adjustment
values. (Install the
EEPROM of the defective
PCU MAIN PWB to a new
PCU MAIN PWB.)
Case 4 Trouble
position/
cause
Printer controller trouble
Remedy (Check) Check the printer
controller.
(Repair) Repair or replace
the printer controller. /
Power Source-ON
(After-work)
Main
code
Sub
code
Title
Fusing main temperature sensor
(upper) (Thermistor) open / Fusing
unit not-installed (THS1)
H2 0 Phenomena Display Lamp
Message
Detail Fusing main temperature
sensor (upper) (Thermistor)
output line open (A voltage
of 4.6V or above is
detected.) / The fusing unit
is not installed.
Section Fusing
Operation
mode
All modes
Note
Case 1 Trouble
position/
cause
Fusing main temperature
sensor (upper) (Thermistor)
output line open trouble
Remedy (Check) Bad connection
between the fusing main
temperature sensor (upper)
(Thermistor) and the PCU
SUB PWB
(Repair) Check connection
of the fusing main
temperature sensor (upper)
(Thermistor) and the PCU
SUB PWB. / Power Source-
ON
(After-work) Repair or
replace the harness and
connector between the
fusing main temperature
sensor (upper) (Thermistor)
and the PCU SUB PWB.
Main
code
Sub
code
Title
ICU PWB - printer controller
communication trouble (ICU
detection)