AR-5618S TROUBLE CODE LIST 8-4
L4 01 Content Main motor lock detection
Detail The main motor does not rotate.
After rotation of the main motor, the motor lock
signal is detected for 1 sec or more.
During rotation of the main motor, the motor
lock signal is detected for 1 sec.
When the main motor is stopped, the motor
lock signal is not detected for 5sec or more.
(Though the motor is stationary, it is judged as
stable rotation.)
Cause Main motor unit abnormality
Improper connection or disconnection the main
motor and the harness.
MCU PWB abnormality
Check
and
remedy
Use SIM 25-01 to check the main motor
operations.
Check connection of the main motor harness/
connector.
Replace the main motor.
Replace the MCU PWB.
31 Content Fusing fan lock detection
Detail The fusing fan does not rotate.
Sampling is performed in 50msec interval, and
the normal signal cannot be detected 5 times
continuously in 1 sec.
Cause Fan trouble or harness contact trouble and
disconnection
Check
and
remedy
Use SIM05-02 to check the operations of the
fusing fan motor.
Heck connection of the fan harness and the
connector.
Replace the fan.
Replace the MCU PWB.
32 Content PSFAN lock detection
Detail The PSFAN does not rotate.
Sampling is performed in 50msec interval, and
the normal signal cannot be detected 5 times
continuously in 1 sec.
Cause Fan trouble or harness contact trouble and
disconnection
Check
and
remedy
Check connection of the fan harness and the
connector.
Replace the fan.
Replace the MCU PWB.
L6 10 Content Polygon motor lock detection
Detail The polygon motor does not rotate
After beginning to rotate the polygon motor, the
motor lock signal is detected for 20sec or more.
During rotation of the polygon motor, the motor
lock signal is detected for 1sec.
Cause Polygon motor unit abnormality
Improper connection or disconnection of the
polygon motor and the harness.
MCU PWB abnormality
Check
and
remedy
Use SIM 61-3 to check the polygon motor
operations.
Check connection of the polygon motor
harness/connector.
Replace the polygon motor..
Replace the MCU PWB.
Main
code
Sub
code
Details of trouble
U2 04 Content EEPROM read/write error (Serial
communication error)
Detail EEPROM access process error
Cause EEPROM abnormality
Check
and
remedy
Check that the EEPROM is properly set.
Use SIM 16 to cancel the trouble.
Replace the MCU PWB.
11 Content Counter check sum error (EEPROM)
Detail Check sum error of the counter area in the
EEPROM
Cause EEPROM abnormality
Check
and
remedy
Check that the EEPROM is properly set.
Use SIM 16 to cancel the trouble.
Replace the MCU PWB.
12 Content Adjustment value check sum error (EEPROM)
Detail Check sum error of the adjustment value area
in the EEPROM
Cause EEPROM abnormality
Check
and
remedy
Check that the EEPROM is properly set.
Use SIM 16 to cancel the trouble.
Replace the MCU PWB.
CH
ON
None
Content Side door open
Detail The side door is open.
Cause Side door sensor abnormality
MCU PWB abnormality
Check
and
remedy
Check that all the side doors are closed.
Replace the MCU PWB.
CH
Blink
None
Content Developing cartridge not installed
Detail The developing cartridge is not installed.
Communication with the CRUM cannot be
made in initial check of the CRUM.
Cause Developing unit disconnection
MCU PWB abnormality
CRUM chip abnormality
Check
and
remedy
Check installation of the developing unit.
Replace the MCU PWB.
Main
code
Sub
code
Details of trouble
：'11/Jul/22
1
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