Sharp AR-235 (serv.man9) Service Manual ▷ View online
AR-235/275 TROUBLE CODE LIST - 4
F1
11
Content
Rear edge plate home position error
Details
The rear edge plate cannot return to the
home position.
home position.
Cause
Rear edge plate drive motor abnormality
Side guide plate home position sensor
abnormality
Finisher PWB abnormality
Side guide plate home position sensor
abnormality
Finisher PWB abnormality
Check
and
remedy
and
remedy
Use SIM 3-3-2 to check the rear edge
plate motor operation.
plate motor operation.
15
Content
Finisher lift-up motor trouble
Details
The finisher lift-up motor does not reach
the specified position.
the specified position.
Cause
Lift-up motor abnormality
Lift-up motor upper limit sensor
abnormality
Finisher PWB abnormality
Lift-up motor upper limit sensor
abnormality
Finisher PWB abnormality
Check
and
remedy
and
remedy
Use SIM 3-3-5 to check the lift-up motor
operation.
operation.
F2
02
Content
Toner supply failure
Details
The value judged from the actual toner
supply hysteresis differs greatly from the
toner sensor value.
supply hysteresis differs greatly from the
toner sensor value.
Cause
Developing unit trouble
Toner supply abnormality caused by
installation of unpacked toner cartridge
Toner supply abnormality caused by
installation of unpacked toner cartridge
Check
and
remedy
and
remedy
Replace the developing unit
Use SIM 25-1 to perform DV stirring.
Use SIM 25-1 to perform DV stirring.
04
Content
Identification error
Model error
Type error
Destination error
Data abnormality
Misc error
Model error
Type error
Destination error
Data abnormality
Misc error
Details
Identification error
When the CRUM trademark differs.
When the CRUM company code differs.
Model error
When the boot program model code does
not match with the CRUM model
information.
Type error
When the CRUM type is other than
[Genuine/Conversion/Production rotation].
Destination error
The destination of the body differs from
that of the CRUM.
Data abnormality
The initial check information includes an
erroneous value.
When the max. toner supply time is 00:
When the print hard stop is 00:
When the CRUM trademark differs.
When the CRUM company code differs.
Model error
When the boot program model code does
not match with the CRUM model
information.
Type error
When the CRUM type is other than
[Genuine/Conversion/Production rotation].
Destination error
The destination of the body differs from
that of the CRUM.
Data abnormality
The initial check information includes an
erroneous value.
When the max. toner supply time is 00:
When the print hard stop is 00:
Cause
CRUM chip failure
Erroneous developing unit
Erroneous developing unit
Check
and
remedy
and
remedy
Replace the CRUM chip.
Replace the developing unit
Replace the developing unit
Trouble
code
Details of trouble
Main
code
code
Sub
code
F5
02
Content
Copy lamp lighting abnormality
Details
The copy lamp does not light up.
Cause
Copy lamp error
Copy lamp harness abnormality
CCD PWB harness abnormality
Copy lamp harness abnormality
CCD PWB harness abnormality
Check
and
remedy
and
remedy
Check the copy lamp (SIM 5-3)
When the lamp lights:
Check the harnesses and connectors
between the CCD unit and the MCU PWB.
When the lamp does not light:
Check the harness and connector
between the copy lamp and the MCU
PWB.
Replace the copy lamp unit.
Replace the MCU PWB.
When the lamp lights:
Check the harnesses and connectors
between the CCD unit and the MCU PWB.
When the lamp does not light:
Check the harness and connector
between the copy lamp and the MCU
PWB.
Replace the copy lamp unit.
Replace the MCU PWB.
Remarks
Copy lamp disconnection
Cable is not attached.
Cable is not attached.
F6
00
Content
F6-**: MCU-FAX communication trouble
Details
Communication establishment error/
framing/parity/protocol error
framing/parity/protocol error
Cause
FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
10
Content
FAX control PWB trouble
Details
Communication trouble between MCU and
FAX control PWB
FAX control PWB
Cause
FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
80
Content
FAX control PWB communication trouble
(Protocol)
(Protocol)
Details
Communication trouble between MCU and
FAX control PWB (Protocol error)
FAX control PWB (Protocol error)
Cause
FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
Trouble
code
Details of trouble
Main
code
code
Sub
code
AR-235/275 TROUBLE CODE LIST - 5
F6
81
Content
FAX control PWB communication trouble
(Parity)
(Parity)
Details
Communication trouble between MCU and
FAX control PWB (Parity error)
FAX control PWB (Parity error)
Cause
FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
82
Content
FAX control PWB communication trouble
(Over-run)
(Over-run)
Details
Communication trouble between MCU and
FAX control PWB (Overrun error)
FAX control PWB (Overrun error)
Cause
FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
84
Content
FAX control PWB communication trouble
(Framing)
(Framing)
Details
Communication trouble between MCU and
FAX control PWB (Framing error)
FAX control PWB (Framing error)
Cause
FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
88
Content
FAX control PWB communication trouble
(Timeout)
(Timeout)
Details
Communication trouble between MCU and
FAX control PWB (Timeout error)
FAX control PWB (Timeout error)
Cause
FAX control PWB connector disconnection
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Defective harness between FAX control
PWB and MCU PWB
Motherboard connector pin breakage
FAX control PWB ROM error/Data error
Check
and
remedy
and
remedy
Check connector/harness of FAX control
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
PWB and MCU PWB.
Check the grounding of the copier.
Check FAX control PWB ROM.
99
Content
Machine-FAX board language error
Details
The machine language setup does not
coincide with the FAX board language
setup.
coincide with the FAX board language
setup.
Cause
FAX board correction error
SIM setup error
SIM setup error
Check
and
remedy
and
remedy
Check the firmware of the FAX board and
the combination of the panel screen data,
and download the correct version, if
necessary.
Check the machine language information.
(Machine language setup: SIM 26-22)
the combination of the panel screen data,
and download the correct version, if
necessary.
Check the machine language information.
(Machine language setup: SIM 26-22)
Trouble
code
Details of trouble
Main
code
code
Sub
code
F9
00
Content
F9-**: MCU-PRT communication trouble
Details
Communication establishment error/
framing/parity/protocol error
framing/parity/protocol error
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
10
Content
Printer PWB trouble
Details
Communication trouble between MCU and
printer PWB
printer PWB
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
80
Content
Printer PWB communication trouble
(Protocol)
(Protocol)
Details
Communication trouble between MCU and
printer PWB (Protocol error)
printer PWB (Protocol error)
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
81
Content
Printer PWB communication trouble
(Parity)
(Parity)
Details
Communication trouble between MCU and
printer PWB (Parity error)
printer PWB (Parity error)
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
Trouble
code
Details of trouble
Main
code
code
Sub
code
AR-235/275 TROUBLE CODE LIST - 6
F9
82
Content
Printer PWB communication trouble
(Overrun)
(Overrun)
Details
Communication trouble between MCU and
printer PWB (Overrun error)
printer PWB (Overrun error)
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
84
Content
Printer PWB communication trouble
(Framing)
(Framing)
Details
Communication trouble between MCU and
printer PWB (Framing error)
printer PWB (Framing error)
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
88
Content
Printer PWB communication trouble
(Timeout)
(Timeout)
Details
Communication trouble between MCU and
printer PWB (Timeout error)
printer PWB (Timeout error)
Cause
Printer PWB connector disconnection
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Harness trouble between the printer PWB
and the MCU PWB
Motherboard connector pin breakage
Printer PWB ROM trouble/Data
disturbance
Check
and
remedy
and
remedy
Check the connectors and harness of the
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
printer PWB and MCU PWB.
Check the grounding of the copier.
Check ROM on printer PWB.
99
Content
Machine-PCL board language error
Details
The machine language setup does not
coincide with the PCL board language
setup.
coincide with the PCL board language
setup.
Cause
PCL board connection error
SIM setup error
SIM setup error
Check
and
remedy
and
remedy
Check the firmware of the PCL board and
the combination of the panel screen data,
and download the correct version, if
necessary.
Check the machine language information.
(Machine language setup: SIM 26-22)
the combination of the panel screen data,
and download the correct version, if
necessary.
Check the machine language information.
(Machine language setup: SIM 26-22)
H2
00
Content
Thermistor open detection
Details
Thermistor open detection
Fusing unit not installed
Fusing unit not installed
Cause
Thermistor defect
Control PWB failure
Fusing section connector contact failure
Fusing unit not installed
Control PWB failure
Fusing section connector contact failure
Fusing unit not installed
Check
and
remedy
and
remedy
Check the harness and the connector of
the thermistor and the MCU.
Clear the display of self-diagnostics with
SIM 14.
the thermistor and the MCU.
Clear the display of self-diagnostics with
SIM 14.
Remarks
Thermistor open
Trouble
code
Details of trouble
Main
code
code
Sub
code
H3
00
Content
Heat roller abnormally high temperature
Details
The fusing temperature is over 220°C.
Cause
Thermistor defect
Control PWB failure
Fusing section connector contact failure
Control PWB failure
Fusing section connector contact failure
Check
and
remedy
and
remedy
Check the heater lamp blinking with SIM 5-
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
If lamp lights and stays lit:
Check the power PWB and the MCU PWB
lamp control circuit.
Clear the display of self-diagnostics with
SIM 14.
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
If lamp lights and stays lit:
Check the power PWB and the MCU PWB
lamp control circuit.
Clear the display of self-diagnostics with
SIM 14.
H4
00
Content
Heat roller abnormally low temperature
Details
The setup temperature (about 90°C is not
reached within the specified time (about
35sec) from turning on the power ON SW.
(When the temperature falls below 120°C
in the standby mode.)
reached within the specified time (about
35sec) from turning on the power ON SW.
(When the temperature falls below 120°C
in the standby mode.)
Cause
Thermistor defect
Heater lamp failure
Thermostat failure
Control PWB failure
Heater lamp failure
Thermostat failure
Control PWB failure
Check
and
remedy
and
remedy
Check the heater lamp blinking with SIM 5-
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
When the lamp does not light:
Check for disconnection of the heater
lamp and thermostat.
Check the interlock switch.
Check the power PWB and the MCU PWB
lamp control circuit.
Clear the display of self-diagnostics with
SIM 14.
2.
When the lamp blinks normally:
Check the thermistor and the harness.
Check the MCU PWB thermistor input
circuit.
When the lamp does not light:
Check for disconnection of the heater
lamp and thermostat.
Check the interlock switch.
Check the power PWB and the MCU PWB
lamp control circuit.
Clear the display of self-diagnostics with
SIM 14.
H5
01
Content
5 continuous T10D(T20D) not-reaching
JAM
JAM
Details
T10D(T20D) not-reaching JAM was
detected 5 continuous times.
detected 5 continuous times.
Cause
The fusing JAM is not completely
removed. (Jam paper remains.)
T10D or T20D sensor breakdown or
harness connection trouble
Fusing unit installation failure
removed. (Jam paper remains.)
T10D or T20D sensor breakdown or
harness connection trouble
Fusing unit installation failure
Check
and
remedy
and
remedy
Check for jam paper in the fusing section.
(paper winding, etc.)
Check fusing unit installation
Clear the trouble with SIM 14.
(paper winding, etc.)
Check fusing unit installation
Clear the trouble with SIM 14.
02
Content
Fusing thermistor abnormality detect
Details
Fusing thermistor temperature transient
abnormality (Paper winding)
abnormality (Paper winding)
Cause
Paper wound around the fusing roller.
Fusing pawl abnormality
Fusing unit installation failure
Fusing pawl abnormality
Fusing unit installation failure
Check
and
remedy
and
remedy
Check for jam paper in the fusing section.
(paper winding, etc.)
Check installation of the fusing unit. Check
the fusing pawl.
Clear the trouble with SIM 14.
(paper winding, etc.)
Check installation of the fusing unit. Check
the fusing pawl.
Clear the trouble with SIM 14.
Trouble
code
Details of trouble
Main
code
code
Sub
code
AR-235/275 TROUBLE CODE LIST - 7
L1
00
Content
Scanner feed trouble
Details
Scanner feed is not completed within the
specified time.
specified time.
Cause
Mirror unit defect
Scanner wire disconnection
Origin detection sensor error
Mirror motor harness abnormality
Scanner wire disconnection
Origin detection sensor error
Mirror motor harness abnormality
Check
and
remedy
and
remedy
Check the scanning operation with SIM 1-
1.
Mirror base feed trouble
Check for disconnection of the scanner
wire.
Check the harness and connector
between the mirror motor and the MCU
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror feeds:
Check the mirror home position sensor
with SiM 1-2.
1.
Mirror base feed trouble
Check for disconnection of the scanner
wire.
Check the harness and connector
between the mirror motor and the MCU
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror feeds:
Check the mirror home position sensor
with SiM 1-2.
L3
00
Content
Scanner return trouble
Details
Scanner return is not completed within the
specified time.
"When OC copying with the mirror at the
home position, the mirror is not in the
home position. "
specified time.
"When OC copying with the mirror at the
home position, the mirror is not in the
home position. "
Cause
Mirror unit defect
The scanner wire is disconnected.
Origin detection sensor error
Mirror motor harness abnormality
The scanner wire is disconnected.
Origin detection sensor error
Mirror motor harness abnormality
Check
and
remedy
and
remedy
Check the scanning operation with SIM 1-
1.
Mirror base return trouble
Check for disconnection of the scanner
wire.
Check the harness and connector
between the mirror motor and the MCU
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror feeds:
Check the mirror home position sensor
with SiM 1-2.
1.
Mirror base return trouble
Check for disconnection of the scanner
wire.
Check the harness and connector
between the mirror motor and the MCU
PWB.
Replace the mirror unit.
Replace the MCU PWB.
When the mirror feeds:
Check the mirror home position sensor
with SiM 1-2.
L4
01
Content
Main motor lock
Details
The main motor does not rotate.
The motor lock signal is detected for 1sec
or more after the main motor rotates.
The motor lock signal is detected for 1sec
during rotation of the main motor.
The motor lock signal is detected for 1sec
or more after the main motor rotates.
The motor lock signal is detected for 1sec
during rotation of the main motor.
Cause
Main motor defect
Main motor connection harness trouble or
disconnection
MCU PWB failure
Main motor connection harness trouble or
disconnection
MCU PWB failure
Check
and
remedy
and
remedy
Check the main motor operation with SIM
25-1.
Check connection of the main motor
harness and connector.
Replace the main motor.
Replace the MCU PWB.
25-1.
Check connection of the main motor
harness and connector.
Replace the main motor.
Replace the MCU PWB.
Trouble
code
Details of trouble
Main
code
code
Sub
code
L4
11
Content
Shifter motor trouble
Details
The shifter home position detection signal
is not detected when the shifter is
operating.
is not detected when the shifter is
operating.
Cause
Shifter motor trouble or harness
connection trouble and disconnection
Shifter home position sensor trouble
connection trouble and disconnection
Shifter home position sensor trouble
Check
and
remedy
and
remedy
Check the shift motor operation with SIM
3-11.
Check connection of the shifter motor
harness/connector.
Replace the shifter motor.
Replace the MCU PWB.
3-11.
Check connection of the shifter motor
harness/connector.
Replace the shifter motor.
Replace the MCU PWB.
L6
10
Content
Polygon motor lock trouble
Details
The polygon motor does not rotate.
The motor lock signal is detected for 6sec
or more after the polygon motor rotates.
The motor lock signal is detected for 1sec
during rotation of the polygon motor.
The motor lock signal is detected for 6sec
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
Polygon motor connection harness trouble
or disconnection
MCU PWB failure
Check
and
remedy
and
remedy
Check the polygon motor operation with
SIM 61-1.
Check connector/harness of polygon
motor
Replace the polygon motor.
Replace the MCU PWB.
SIM 61-1.
Check connector/harness of polygon
motor
Replace the polygon motor.
Replace the MCU PWB.
L8
01
Content
Zero cross detection error
Details
The zero cross signal is not detected.
Cause
Power failure
MCU PWB abnormality
MCU PWB abnormality
Check
and
remedy
and
remedy
Check connection of the harness and
connector.
Replace the MCU PWB.
Power unit replacement
connector.
Replace the MCU PWB.
Power unit replacement
U2
04
Content
EEPROM communication error
Details
MCU PWB EEPROM access circuit failure
Cause
EEPROM defective
ICU PWB EEPROM access circuit failure
ICU PWB EEPROM access circuit failure
Check
and
remedy
and
remedy
Check that the EEPROM is properly set.
Clear trouble with SIM 16.
Replace the MCU PWB.
Clear trouble with SIM 16.
Replace the MCU PWB.
Remarks
EEPROM abnormality
11
Content
Counter check sum error
Details
Counter check sum value stored in the
EEPROM is abnormal.
EEPROM is abnormal.
Cause
EEPROM defective
ICU PWB EEPROM access circuit failure
ICU PWB EEPROM access circuit failure
Check
and
remedy
and
remedy
Check that the EEPROM is properly set.
Clear trouble with SIM 16.
Replace the MCU PWB.
Clear trouble with SIM 16.
Replace the MCU PWB.
Remarks
Checksum error in counter data area
12
Content
Adjustment value check sum error
Details
Adjustment value check sum error
(EEPROM)
(EEPROM)
Cause
EEPROM defective
ICU PWB EEPROM access circuit failure
ICU PWB EEPROM access circuit failure
Check
and
remedy
and
remedy
Check that the EEPROM is properly set.
Clear trouble with SIM 16.
Replace the MCU PWB.
Clear trouble with SIM 16.
Replace the MCU PWB.
Remarks
Checksum error in adjustment value data
area
area
Trouble
code
Details of trouble
Main
code
code
Sub
code
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