Read Sharp AR-C260 (serv.man14) Service Manual online
AR-C260/C260M TROUBLESHOOTING 11 - 23
Main
code
code
Sub
code
Title
EEPROM read/write error (SCN)
U2
80
Display
Lamp/Message
Phenomenon
Detail
EEPROM version error
EEPROM write error
EEPROM write error
Section
—
Case 1
Cause
EEPROM trouble,
Insertion of EEPROM
which is not initialized or
defective.
Insertion of EEPROM
which is not initialized or
defective.
Check &
Remedy
Remedy
1. Check that the
EEPROM is properly
inserted.
inserted.
2. Use SIM 16 to cancel
the error.
Case 2
Cause
SCN PWB EEPROM
access circuit trouble
access circuit trouble
Check &
Remedy
Remedy
1. To prevent against
deletion of the counter
data and the
adjustment data,
record them with the
simulation. (When a
printer option is
installed, use SIM 22-1
to record the counter
data and the
adjustment data.)
data and the
adjustment data,
record them with the
simulation. (When a
printer option is
installed, use SIM 22-1
to record the counter
data and the
adjustment data.)
2. Replace the SCN
PWB.
3. Use SIM 16 to cancel
the error.
Main
code
code
Sub
code
Title
Adjustment value check sum error
(SCN)
(SCN)
U2
81
Display
Lamp/Message
Phenomenon
Detail
EEPROM (SCN) check
sum error
sum error
Section
—
Case 1
Cause
EEPROM trouble
Check &
Remedy
Remedy
1. Check that the
EEPROM is properly
inserted.
inserted.
2. Use SIM 16 to cancel
the error.
Case 2
Cause
SCN PWB EEPROM
access circuit trouble
access circuit trouble
Check &
Remedy
Remedy
1. To prevent against
deletion of the counter
data and the
adjustment data,
record them with the
simulation. (When a
printer option is
installed, use SIM 22-1
to record the counter
data and the
adjustment data.)
data and the
adjustment data,
record them with the
simulation. (When a
printer option is
installed, use SIM 22-1
to record the counter
data and the
adjustment data.)
2. Replace the SCN
PWB.
3. Use SIM 16 to cancel
the error.
Main
code
code
Sub
code
Title
EEPROM read/write error (PCU)
U2
90
Display
Lamp/Message
Phenomenon
Detail
EEPROM version error
EEPROM write error
EEPROM write error
Section
—
Case 1
Cause
EEPROM trouble,
Insertion of EEPROM
which is not initialized or
defective.
Insertion of EEPROM
which is not initialized or
defective.
Check &
Remedy
Remedy
1. Check that the
EEPROM is properly
inserted.
inserted.
2. Use SIM 16 to cancel
the error.
Case 2
Cause
PCU PWB EEPROM
access circuit trouble
access circuit trouble
Check &
Remedy
Remedy
1. To prevent against
deletion of the counter
data and the
adjustment data,
record them with the
simulation. (When a
printer option is
installed, use SIM 22-1
to record the counter
data and the
adjustment data.)
data and the
adjustment data,
record them with the
simulation. (When a
printer option is
installed, use SIM 22-1
to record the counter
data and the
adjustment data.)
2. Replace the PCU
PWB.
3. Use SIM 16 to cancel
the error.
Main
code
code
Sub
code
Title
Adjustment value check sum error
(PCU)
(PCU)
U2
91
Display
Lamp/Message
Phenomenon
Detail
EEPROM (PCU) check
sum error
sum error
Section
—
Case 1
Cause
EEPROM trouble
Check &
Remedy
Remedy
1. Check that the
EEPROM is properly
inserted.
inserted.
2. Use SIM 16 to cancel
the error.
Case 2
Cause
Control circuit freeze
caused by noises, PCU
PWB EEPROM access
circuit trouble
caused by noises, PCU
PWB EEPROM access
circuit trouble
Check &
Remedy
Remedy
1. To prevent against
deletion of the counter
data and the
adjustment data,
record them with the
simulation. (When a
printer option is
installed, use SIM 22-1
to record the counter
data and the
adjustment data.)
data and the
adjustment data,
record them with the
simulation. (When a
printer option is
installed, use SIM 22-1
to record the counter
data and the
adjustment data.)
2. Replace the PCU
PWB.
3. Use SIM 16 to cancel
the error.
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