AR-5726/5731 SELF DIAG AND TROUBLE CODE 7 - 9
L4 11 Content Shifter motor trouble
Details The shifter home position detection signal
is not detected when the shifter is
operating.
Cause Shifter motor trouble or harnes connection
trouble and disconnection.
Shifter home position sensor trouble.
Check
and
remedy
Check the shifter motor operation with SIM
3-11.
Check connection of the shifter motor
harness/connector.
Replace the shifter motor.
Replace the MCU PWB.
31 Content VFM fan trouble
Details 5 sec after starting the fan motor rotation,
the motor lock signal is detected for 1 sec.
During rotation of the fan motor, the motor
lock signal is detected for 1 sec.
Cause Fan motor trouble.
Fan motor connection harness connection
trouble or disconnection.
MCU PWB trouble.
Check
and
remedy
Use SIM6-2 to check the operation of the
fan motor.
Check connection of the fan motor
harness and connector.
Replace the fan motor.
Replace the MCU PWB.
32 Content DCFM or DCFM2 fan trouble
Details 5 sec after starting the fan motor rotation,
the motor lock signal is detected for 1 sec.
During rotation of the fan motor, the motor
lock signal detected for 1 sec.
Cause Fan motor trouble.
Fan motor connection harness connection
trouble or disconnection.
MCU PWB trouble.
Check
and
remedy
Use SIM6-2 to check the operation of the
fan motor.
Check connection of the fan motor
harness and connector.
Replace the fan motor.
Replace the MCU PWB.
33 Content VFM2 fan trouble
Details 5 sec after starting the fan motor rotation,
the motor lock signal is detected for 1 sec.
During rotation of the fan motor, the motor
lock signal detected for 1 sec.
Cause Fan motor trouble.
Fan motor connection harness connection
trouble or disconnection.
MCU PWB trouble.
Check
and
remedy
Use SIM6-2 to check the operation of the
fan motor.
Check connection of the fan motor
harness and connector.
Replace the fan motor.
Replace the MCU PWB.
Trouble
code
Details of trouble
Main
code
Sub
code
L6 10 Content Polygon motor lock trouble
Details The polygon motor does not rotate.
The motor lock signal is detected for 18sec
or more after the polygon motor rotates.
The motor lock signal is detected for 1sec
during rotation of the polygon motor.
Cause Polygon motor unit failure
Polygon motor connection, harness trouble
or disconnection
MCU PWB failure
Check
and
remedy
Check the polygon motor operation with
SIM 61-1.
Check the connectors and the harness of
polygon motor
Replace the polygon motor.
Replace the MCU PWB.
L8 10 Content Power abnormality detection trouble
Details The power status monitoring signal keeps
power OFF state after passing the
specified time (2sec).
Cause Circuit around the power status monitoring
signal (PSSTS) failure.
Check
and
remedy
Check whether power status monitoring
signal (PSSTS) on MCU PWB is OPEN or
not.
Replace MCU PWB.
U1 01 Content FAX battery error
Details The SRAM backup battery voltage on FAX
control PWB falls.
Cause The SRAM backup battery voltage on FAX
control PWB falls.
Check
and
remedy
Check voltage of the SRAM back up
battery.
Replace the battery.
02 Content PANEL LOW battery error
Details The voltage of the panel clock function
battery falls.
Cause The voltage of the panel clock function
battery falls.
Check
and
remedy
Check voltage of panel clock function
battery.
Replace the battery.
U2 04 Content EEPROM communication error
Details EEPROM communication error
Cause EEPROM defect.
ICU PWB EEPROM access circuit failure.
Check
and
remedy
Check that the EEPROM is properly set.
Clear trouble with SIM 16.
Replace the MCU PWB.
20 Content Machine speed code data error
Details The machine boot speed information is not
identical to the model code speed
information
Cause EEPROM defect.
SIM operation error.
Check
and
remedy
Check for matching of the machine and
model information setting in SIM26-57.
Trouble
code
Details of trouble
Main
code
Sub
code
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