Sharp AR-5316 Service Manual page 28

Main Sub
code code
L4 01 Content Main motor lock detection
Detail The main motor does not rotate.
The motor lock signal is detected for 1sec or
more after rotation of the main motor.
The motor lock signal is detected for 1sec
during rotation of the main motor.
Cause Main motor unit abnormality
Improper connection or disconnection the main
motor and the harness.
MCU PWB abnormality
Check Use SIM 25-01 to check the main motor
and operations.
remedy Check connection of the main motor harness/
connector.
Replace the main motor.
Replace the MCU PWB.
11 Content Shifter motor trouble
Detail The shifter home position detection signal is
not detected when initializing the shifter.
Cause Shifter motor abnormality, improper connection
or disconnection of the harness, shifter home
position sensor abnormality
Check Use SIM 03-11 to check the shifter motor
and operations.
remedy Check connection of the harness/connector of
the shifter motor.
Replace the shifter motor.
Replace the MCU PWB.
L6 10 Content Polygon motor lock detection
Detail The polygon motor does not rotate.
The motor lock signal is detected for 6sec after
rotation of the polygon motor. The motor lock
signal is detected for 1sec during rotation of the
polygon motor.
Cause Polygon motor unit abnormality
Improper connection or disconnection of the
polygon motor and the harness.
MCU PWB abnormality
Check Use SIM 61-1 to check the polygon motor
and operations.
remedy Check connection of the polygon motor
harness/connector.
Replace the polygon motor..
Replace the MCU PWB.
L8 01 Content No full wave signal
Detail The zero cross signal is not detected.
Cause Power unit abnormality
MCU PWB abnormality
Check Check connection of the harness and
and connectors.
remedy Replace the MCU PWB.
Replace the power unit.
U2 04 Content EEPROM read/write error (Serial
communication error)
Detail EEPROM access process error
Cause EEPROM abnormality
Check Check that the EEPROM is properly set.
and Use SIM 16 to cancel the trouble.
remedy Replace the MCU PWB.
Details of trouble
AR-5316 TROUBLE CODE LIST 9-4
Main Sub
code code
U2 11 Content Counter check sum error (EEPROM)
Detail Check sum error of the counter area in the
EEPROM
Cause EEPROM abnormality
Check Check that the EEPROM is properly set.
and Use SIM 16 to cancel the trouble.
remedy 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 Check that the EEPROM is properly set.
and Use SIM 16 to cancel the trouble.
remedy Replace the MCU PWB.
40 Content CRUM chip communication error
Detail An error occurs during communication
between the MCU and the CRUM chip.
Cause CRUM chip abnormality
Developing unit disconnection
MCU PWB abnormality
Check Replace the chip.
and Check installation of the developing unit.
remedy Use SIM 16 to cancel the trouble.
Replace the MCU PWB.
-- Content Auditor NOT READY
Detail
Cause
Check
and
remedy
CH None Content Side door open
ON
Detail The side door is open.
Cause Side door sensor abnormality
MCU PWB abnormality
Check Check that all the side doors are closed.
and Replace the MCU PWB.
remedy
CH None Content Developing cartridge not installed
Blink
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 Check installation of the developing unit.
and Replace the MCU PWB.
remedy
Details of trouble