Sharp AR-M351U / AR-M451U (serv.man19) Service Manual ▷ View online
AR-M351U/M451U, AR-M355U/M455U TROUBLE CODES 11 - 6
F1
15
Content
Finisher lift motor trouble
Detail
Lift motor operation abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the lift motor
operation.
operation.
15
Content
Console finisher lift motor trouble
Detail
Lift motor operation abnormality
Cause
Motor lock
Drive abnormality
Defective connection or disconnection
between the PWB and the motor.
Upper/lower limit sensor trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Drive abnormality
Defective connection or disconnection
between the PWB and the motor.
Upper/lower limit sensor trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
19
Content
Finisher front alignment motor trouble
Detail
Front alignment motor operation
abnormality
abnormality
Cause
Motor lock
Drive abnormality
Defective connection or disconnection
between the PWB and the motor.
Home position sensor abnormality
Motor rpm abnormality
Finisher control PWB trouble
Drive abnormality
Defective connection or disconnection
between the PWB and the motor.
Home position sensor abnormality
Motor rpm abnormality
Finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
19
Content
Console finisher front alignment motor
trouble
trouble
Detail
Front alignment motor operation
abnormality
abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
20
Content
Finisher rear alignment motor trouble
Detail
Rear alignment motor operation
abnormality
abnormality
Cause
Motor lock
Drive abnormality
Defective connection or disconnection
between the PWB and the motor.
Home position sensor abnormality
Motor rpm abnormality
Finisher control PWB trouble
Drive abnormality
Defective connection or disconnection
between the PWB and the motor.
Home position sensor abnormality
Motor rpm abnormality
Finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
20
Content
Console finisher rear alignment motor
trouble
trouble
Detail
Rear alignment motor operation
abnormality
abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
MAIN SUB
Details
F1
30
Content
Console finisher communication
trouble
trouble
Detail
Communication cable test error after
turning on the power or exiting from
SIM.
Communication error with the console
finisher
turning on the power or exiting from
SIM.
Communication error with the console
finisher
Cause
Improper connection or disconnection
of connector and harness between the
machine and the console finisher.
Console finisher control PWB trouble
Control PWB (PCU) trouble
Malfunction by noises
of connector and harness between the
machine and the console finisher.
Console finisher control PWB trouble
Control PWB (PCU) trouble
Malfunction by noises
Check and
remedy
remedy
Canceled by turning OFF/ON the
power.
Check connectors and harness in the
communication line.
Replace the console finisher control
PWB or PCU PWB.
power.
Check connectors and harness in the
communication line.
Replace the console finisher control
PWB or PCU PWB.
31
Content
Console finisher fold sensor trouble
Detail
Sensor input value abnormality
Cause
Sensor breakage
harness breakage
Console finisher control PWB trouble
harness breakage
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-2 to check the sensor
operation.
operation.
32
Content
Communication trouble between the
console finisher and the punch unit.
console finisher and the punch unit.
Detail
Communication err between the
console finisher and the punch unit.
console finisher and the punch unit.
Cause
Improper connection or disconnection
of connector and harness between the
console finisher and the punch unit.
Console finisher control PWB trouble
Control PWB (PCU) trouble
Malfunction by noise
of connector and harness between the
console finisher and the punch unit.
Console finisher control PWB trouble
Control PWB (PCU) trouble
Malfunction by noise
Check and
remedy
remedy
Canceled by turning OFF/ON the
power.
Check connectors and harness in the
communication line.
Replace the console finisher control
PWB.
power.
Check connectors and harness in the
communication line.
Replace the console finisher control
PWB.
33
Content
Console finisher punch side
registration motor trouble
registration motor trouble
Detail
Punch side registration motor operation
abnormality
abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
34
Content
Console finisher punch motor trouble
Detail
Punch motor operation abnormality
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
35
Content
Console finisher punch side
registration sensor trouble
registration sensor trouble
Detail
Sensor input value abnormality
Cause
Sensor breakage
Harness disconnection
Console finisher control PWB trouble
Harness disconnection
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-2 to check the sensor
operation.
operation.
MAIN SUB
Details
AR-M351U/M451U, AR-M355U/M455U TROUBLE CODES 11 - 7
F1
36
Content
Console finisher punch timing sensor
trouble
trouble
Detail
Sensor input value abnormality
Cause
Sensor breakage
Harness disconnection
Console finisher control PWB trouble
Harness disconnection
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-2 to check the sensor
operation.
operation.
37
Content
Console finisher backup RAM trouble
Detail
Backup RAM contents are disturbed.
Cause
Console finisher control PWB trouble
Malfunction by noise
Malfunction by noise
Check and
remedy
remedy
Replace the console finisher control
PWB.
PWB.
38
Content
Console finisher punch backup RAM
trouble
trouble
Detail
Punch unit backup RAM contents are
disturbed.
disturbed.
Cause
Punch control PWB trouble
Malfunction by noise
Malfunction by noise
Check and
remedy
remedy
Replace the punch control PWB.
39
Content
Console finisher punch dust sensor
trouble
trouble
Detail
Punch dust sensor detection trouble
Cause
When the punch dust sensor is not
normally detected.
normally detected.
Check and
remedy
remedy
Sensor breakage
Harness disconnection
Punch control PWB trouble
Harness disconnection
Punch control PWB trouble
40
Content
Console finisher punch power
interruption trouble
interruption trouble
Detail
When power interruption of the punch
unit is detected
unit is detected
Cause
Though 24V is supplied to the punch
unit, the punch unit detects power
interruption.
unit, the punch unit detects power
interruption.
Check and
remedy
remedy
Harness disconnection
Punch control PWB trouble
Punch control PWB trouble
80
Content
Finisher power abnormality
Detail
The 24V power is not supplied to the
finisher PWB.
finisher PWB.
Cause
Improper connection or disconnection
of connector and harness
Finisher control PWB trouble
Power unit trouble
of connector and harness
Finisher control PWB trouble
Power unit trouble
Check and
remedy
remedy
Use SIM3-2 to check the sensor.
80
Content
Mail-bin stacker power abnormality
Detail
The 24V power is not supplied to the
Mail-bin stacker PWB.
Mail-bin stacker PWB.
Cause
Improper connection or disconnection
of connector and harness
Mail-bin stacker control PWB trouble
Power unit trouble
of connector and harness
Mail-bin stacker control PWB trouble
Power unit trouble
Check and
remedy
remedy
Use SIM3-20 to check the sensor
operation.
operation.
81
Content
Console finisher transport motor
abnormality
abnormality
Detail
Transport motor trouble
Cause
Motor lock
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Motor rpm abnormality
Overcurrent to the motor
Console finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
MAIN SUB
Details
F1
87
Content
Finisher staple rotation motor trouble
Detail
Front staple rotation motor trouble
Cause
Motor lock
Drive abnormality
Defective connection or disconnection
between the PWB and the motor.
Home position sensor abnormality
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Drive abnormality
Defective connection or disconnection
between the PWB and the motor.
Home position sensor abnormality
Motor rpm abnormality
Overcurrent to the motor
Finisher control PWB trouble
Check and
remedy
remedy
Use SIM3-3 to check the motor
operation.
operation.
F2
00
Content
Toner control sensor open/sensor
trouble
trouble
Detail
Toner control sensor output open
Cause
Connector harness trouble
Connector disconnection
Sensor trouble
Connector disconnection
Sensor trouble
Check and
remedy
remedy
Check connection of the toner control
sensor.
Check connection of connector and
harness to the main PWB.
Check for disconnection of harness.
Replace the sensor.
sensor.
Check connection of connector and
harness to the main PWB.
Check for disconnection of harness.
Replace the sensor.
02
Content
Toner supply abnormality
Detail
Toner control sensor output value
becomes under-toner too earlier.
becomes under-toner too earlier.
Cause
Connector harness trouble
Toner concentration sensor trouble
Toner cartridge trouble
Toner concentration sensor trouble
Toner cartridge trouble
Check and
remedy
remedy
Check connection of the connector in
the toner motor section.
Check connection of connector and
harness to the main PWB.
Check for disconnection of harness.
Toner concentration sensor output
check SIM25-1.
Replace the toner cartridge.
the toner motor section.
Check connection of connector and
harness to the main PWB.
Check for disconnection of harness.
Toner concentration sensor output
check SIM25-1.
Replace the toner cartridge.
04
Content
Improper cartridge (life cycle error, etc.)
Detail
An improper process cartridge is
inserted.
inserted.
Cause
IC chip trouble
Improper cartridge
Improper cartridge
Check and
remedy
remedy
Insert a proper cartridge.
05
Content
CRUM error
Detail
Communication with IC chip cannot be
made.
made.
Cause
IC chip trouble
IC chip contact failure
Improper cartridge
IC chip contact failure
Improper cartridge
Check and
remedy
remedy
Insert a proper cartridge.
Is the cartridge installed properly?
Is the cartridge installed properly?
39
Content
Process thermistor trouble
Detail
Output value abnormality of the
temperature sensor of temperature/
humidity sensor
temperature sensor of temperature/
humidity sensor
Cause
Temperature/humidity sensor
abnormality
Temperature/humidity sensor harness
connection failure
PCU PWB trouble
abnormality
Temperature/humidity sensor harness
connection failure
PCU PWB trouble
Check and
remedy
remedy
Check connection of the harness and
the connector of the temperature/
humidity sensor.
Replace the temperature/humidity
sensor.
Check PCU PWB.
the connector of the temperature/
humidity sensor.
Replace the temperature/humidity
sensor.
Check PCU PWB.
MAIN SUB
Details
AR-M351U/M451U, AR-M355U/M455U TROUBLE CODES 11 - 8
F2
58
Content
Process humidity sensor breakdown
Detail
Process humidity sensor open or short
Cause
Temperature/humidity sensor harness
connection failure
Temperature/humidity sensor
abnormality
PCU PWB trouble
connection failure
Temperature/humidity sensor
abnormality
PCU PWB trouble
Check and
remedy
remedy
Check connection of the harness and
the connector of the temperature/
humidity sensor.
Replace the temperature/humidity
sensor.
Check PCU PWB.
the connector of the temperature/
humidity sensor.
Replace the temperature/humidity
sensor.
Check PCU PWB.
F3
12
Content
Machine no. 1 tray lift-up trouble
Detail
LUD does not turn ON in the specified
time.
time.
Cause
LUD trouble
No. 1 tray lift-up trouble
Check connection of harness between
the PCVU PWB, lift-up unit, and paper
feed unit.
No. 1 tray lift-up trouble
Check connection of harness between
the PCVU PWB, lift-up unit, and paper
feed unit.
Check and
remedy
remedy
Check LUD, and their harness and
connectors.
Check the lift-up unit.
connectors.
Check the lift-up unit.
F3
22
Content
Machine tray 2 lift-up trouble
Detail
MCLUD does not turn ON in the
specified time.
specified time.
Cause
MCLUD trouble
No. 2 tray lift-up motor trouble
Harness disconnection f the PCU
PWB, the lift-up unit, and the paper
feed unit.
No. 2 tray lift-up motor trouble
Harness disconnection f the PCU
PWB, the lift-up unit, and the paper
feed unit.
Check and
remedy
remedy
Check MCLUD, and their harness and
connectors.
Check the lift-up unit.
connectors.
Check the lift-up unit.
F6
00
Content
Communication trouble (ICU detection)
between ICU and FAX
between ICU and FAX
Details
Communication establishment error/
Fleming/Parity/Protocol error
Fleming/Parity/Protocol error
Cause
Slave unit PWB connector
disconnection
Harness abnormality between slave
unit PWB and ICU PWB.
Slave unit PWB mother board
connector pin breakage
Slave unit ROM abnormality/No ROM/
Reverse insertion of ROM/ROM pin
breakable
disconnection
Harness abnormality between slave
unit PWB and ICU PWB.
Slave unit PWB mother board
connector pin breakage
Slave unit ROM abnormality/No ROM/
Reverse insertion of ROM/ROM pin
breakable
Check &
Remedy
Remedy
Check connector harness between
slave unit PWB and ICU PWB.
Check grounding of machine.
Check slave unit PWB ROM.
slave unit PWB and ICU PWB.
Check grounding of machine.
Check slave unit PWB ROM.
01
Content
FAX expansion flash memory
abnormality (ICU detection)
abnormality (ICU detection)
Details
Flash memory cannot be deleted.
Cause
Flash memory cannot be deleted.
Check &
Remedy
Remedy
Check the FAX image storage Flash
memory.
memory.
Use SIM 66-10 to clear the flash
memory.
memory.
MAIN SUB
Details
F6
04
Content
FAX modem operation abnormality
Details
FAX PWB modem chip operation
abnormality
abnormality
Cause
SW101 in the FAX PWB tries to
perform normal operation on the boot
side.
Modem chip operation abnormality in
FAX PWB
perform normal operation on the boot
side.
Modem chip operation abnormality in
FAX PWB
Check &
Remedy
Remedy
Set SW101 on the FAX PWB to other
than the boot side, and turn on the
power again.
Replace FAX PWB.
than the boot side, and turn on the
power again.
Replace FAX PWB.
20
Content
FAX write protect cancel
Detail
The write protect JP is released.
Cause
The write protect JP is set to “write
allow.”
FAX interface PWB trouble
FAX PWB trouble
allow.”
FAX interface PWB trouble
FAX PWB trouble
Check and
remedy
remedy
Check the write protect JP.
Replace the FAX PWB. Replace the
FAX interface PWB.
Replace the FAX PWB. Replace the
FAX interface PWB.
21
Content
Combination abnormality of the TEL/
LIU PWB and the FAX soft switch
LIU PWB and the FAX soft switch
Detail
Combination abnormality of the TEL/
LIU PWB and the FAX PWB
information (soft switch)
Or the TEL/LIU PWB is not a new one
for new MDMC PWB.
LIU PWB and the FAX PWB
information (soft switch)
Or the TEL/LIU PWB is not a new one
for new MDMC PWB.
Cause
The destination of the installed TEL/LIU
PWB differs.
The FAX PWB information (soft switch)
differs.
TEL/LIU PWB trouble
PWB differs.
The FAX PWB information (soft switch)
differs.
TEL/LIU PWB trouble
Check and
remedy
remedy
Check the destination of the TEL/LIU
PWB.
Check the FAX PWB information (soft
switch).
Replace the TEL/LIU PWB.
PWB.
Check the FAX PWB information (soft
switch).
Replace the TEL/LIU PWB.
97
Content
FAX-BOX skating trouble
The FAX-BOX PWB is not one for the
AR-FX12. (FAX detection)
The FAX-BOX PWB is not one for the
AR-FX12. (FAX detection)
Detail
The FAX-BOX MODEM controller is
not one for the AR-FX12.
not one for the AR-FX12.
Cause
The FAX-BOX Modem controller PWB
information (hard detection) is not for
the AR-FX12. (The Modem controller
PWB for the AR-FX5 or the AR-FX6 is
used.)
information (hard detection) is not for
the AR-FX12. (The Modem controller
PWB for the AR-FX5 or the AR-FX6 is
used.)
Check and
remedy
remedy
Check the FAX-BOX modem controller
PWB.
Replace it with a modem controller
PWB for the AR-FX12.
PWB.
Replace it with a modem controller
PWB for the AR-FX12.
98
Content
Combination error of the FAX-BOX
destination information and the
machine destination information
destination information and the
machine destination information
Detail
Combination error of the FAX-BOX
destination information and the
machine destination information
destination information and the
machine destination information
Cause
Because of improper combination
between the destination information
stored in the EEPROM on the FAX-
BOX PWB and that of the machine (set
with SIM 26-6).
between the destination information
stored in the EEPROM on the FAX-
BOX PWB and that of the machine (set
with SIM 26-6).
Check and
remedy
remedy
Check the destination of the FAX-BOX.
Check the machine destination with
SIM 26-6.
Use a proper combination of the
machine and the FAX-BOX.
Check the machine destination with
SIM 26-6.
Use a proper combination of the
machine and the FAX-BOX.
MAIN SUB
Details
AR-M351U/M451U, AR-M355U/M455U TROUBLE CODES 11 - 9
F7
01
Content
FAX board EEPROM read/write error
Details
EEPROM access error (read/write)
Cause
EEPROM trouble
FAX PWB EEPROM access circuit
trouble
FAX PWB EEPROM access circuit
trouble
Check &
Remedy
Remedy
When replacing the EEPROM, use
SIM66-4/5 (Signal send level) and
SIM66-14/15/16 (Dial test) for
adjustment. However, note that all the
soft switches are reset to the initial
values.
No need to adjust when the PWB is
replaced.
SIM66-4/5 (Signal send level) and
SIM66-14/15/16 (Dial test) for
adjustment. However, note that all the
soft switches are reset to the initial
values.
No need to adjust when the PWB is
replaced.
H2
00···
HL1
01···
HL2
Content
Thermistor open
Fusing unit not installed
Fusing unit not installed
Detail
Thermistor is open.
(An input voltage of 2.92V or above is
detected.)
Fusing unit not installed
(An input voltage of 2.92V or above is
detected.)
Fusing unit not installed
Cause
Thermistor trouble
Control PWB trouble
Fusing section connector
disconnection
AC power trouble
Fusing unit not installed
Control PWB trouble
Fusing section connector
disconnection
AC power trouble
Fusing unit not installed
Check and
remedy
remedy
Check harnesses and connectors from
the thermistor to the control PWB.
Use SIM14 to clear the self diag
display.
the thermistor to the control PWB.
Use SIM14 to clear the self diag
display.
H3
00···
HL1
01···
HL2
Content
Fusing section high temperature
trouble
trouble
Detail
The fusing temperature exceeds
242°C. (An input voltage of 0.27V or
above is detected.)
Fusing temperature control is started,
and 242°C is detected three or more
times continuously in sampling in the
specified interval. (Every 300msec)
242°C. (An input voltage of 0.27V or
above is detected.)
Fusing temperature control is started,
and 242°C is detected three or more
times continuously in sampling in the
specified interval. (Every 300msec)
Cause
Thermistor trouble
Control PWB trouble
Fusing section connector
disconnection
AC power trouble
Control PWB trouble
Fusing section connector
disconnection
AC power trouble
Check and
remedy
remedy
Use SIM5-2 to check the heater lamp
Blinking operation.
Blinking operation.
If the heater lamp blinks normally:
Check the thermistor and its
harness.
Check the thermistor input circuit in
the control PWB.
Check the thermistor and its
harness.
Check the thermistor input circuit in
the control PWB.
If the heater lamp keep lighting:
Check the AC PWB and the lamp
control circuit in the control PWB.
Use SIM14 to cancel the trouble
control circuit in the control PWB.
Use SIM14 to cancel the trouble
MAIN SUB
Details
H4
00···
HL1
01···
HL2
Content
Fusing section low temperature trouble
Detail
The set temperature is not reached
within the specified time (3 min) after
turning on the power relay, or the
temperature does not reach 80°C
within 80 sec.
When the heater lamp is not turned off
in the specified time (3 min) from
starting warm-up, or the temperature
does not reach 80°C within 80 sec.
After completion of warm-up operation,
a temperature 50°C lower than the
temperature control level is detected 5
times continuously in sampling in the
specified interval. (every 300msec)
within the specified time (3 min) after
turning on the power relay, or the
temperature does not reach 80°C
within 80 sec.
When the heater lamp is not turned off
in the specified time (3 min) from
starting warm-up, or the temperature
does not reach 80°C within 80 sec.
After completion of warm-up operation,
a temperature 50°C lower than the
temperature control level is detected 5
times continuously in sampling in the
specified interval. (every 300msec)
Cause
Thermistor trouble
Heater lamp trouble
Control PWB trouble
Thermostat trouble
AC power trouble
Interlock switch trouble
Heater lamp trouble
Control PWB trouble
Thermostat trouble
AC power trouble
Interlock switch trouble
Check and
remedy
remedy
Use SIM5-2 to check the heater lamp
Blinking operation.
Blinking operation.
If the heater lamp blinks normally:
Check the thermistor and its
harness.
Check the thermistor input circuit in
the control PWB.
Check the thermistor and its
harness.
Check the thermistor input circuit in
the control PWB.
If the heater lamp does not light:
Check for heater lamp disconnection
and thermostat disconnection.
Check the interlock switch.
Check the AC PWB and the lamp
control circuit in the control PWB.
Use SIM14 to cancel the trouble.
and thermostat disconnection.
Check the interlock switch.
Check the AC PWB and the lamp
control circuit in the control PWB.
Use SIM14 to cancel the trouble.
H5
01
Content
5-time continuous POD1 not-reaching
jam detection
jam detection
Detail
5-time continuous POD1 not-reaching
jam detection
jam detection
Cause
A fusing section jam is not properly
removed. (Jam paper remains.)
POD1 sensor trouble, or harness
disconnection
Improper installation of fusing unit
removed. (Jam paper remains.)
POD1 sensor trouble, or harness
disconnection
Improper installation of fusing unit
Check and
remedy
remedy
Check jam paper in the fusing section.
(winding, etc.)
Check POD1 sensor harness, and
check the fusing unit installation.
Use SIM14 to cancel the trouble.
(winding, etc.)
Check POD1 sensor harness, and
check the fusing unit installation.
Use SIM14 to cancel the trouble.
L1
00
Content
Scanner feed trouble
Details
Scanner feed is not completed within
the specified time.
the specified time.
Cause
Scanner unit abnormality
Scanner wire disconnection
Scanner wire disconnection
Check &
Remedy
Remedy
Check scanning with SIM 1-1.
L3
00
Content
Scanner return trouble
Details
Scanner return is not completed within
the specified time.
the specified time.
Cause
Scanner unit abnormality
Scanner wire disconnection
Scanner wire disconnection
Check &
Remedy
Remedy
Check scanning with SIM 1-1.
MAIN SUB
Details
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