Sharp AR-BC260 Service Manual page 255

Main Sub
Title LCC communication trouble
code code
U6 20 Case 1 Cause
Check &
Remedy
Case 2 Cause
Check &
Remedy
Case 3 Cause
Check &
Remedy
Case 4 Cause
Check &
Remedy
Main Sub
Title LCC transport motor trouble
code code
U6 21 Display Lamp/Message
Phenomenon Detail
Section
Case 1 Cause
Check &
Remedy
Main Sub
Title LCC 24V power abnormality
code code
U6 22 Display Lamp/Message
Phenomenon Detail
Section
Case 1 Cause
Check &
Remedy
Case 2 Cause
Check &
Remedy
Case 3 Cause
Check &
Remedy
Improper connection or
disconnection of the
connector and the harness.
Check the connector and
the harness in the
communication line.
LCC control PWB trouble
Replace the LCC control
PWB.
Control PWB (PCU) trouble
Replace the control PWB
(PCU).
Malfunction caused by
noises
Turn OFF/ON the power to
cancel the error.
• The encoder input value
does not change in
0.06sec after turning on
the motor.
• The encoder input
changes after the speci-
fied time from turning off
the motor. (100 or more
counts are made in
0.1sec after 5sec.)
—
Motor lock, motor RPM
abnormality. Over current to
the motor, saddle finisher
control PWB trouble
Use SIM 4-3 to check the
transport motor operation.
DC 24V is not supplied to
the LCC.
—
Improper connection or
disconnection of the
connector and the harness.
Check the connector and
the harness in the power
line.
Turn OFF/ON the power to
cancel the error.
LCC control PWB trouble
Turn OFF/ON the power to
cancel the error.
Power supply unit trouble
Turn OFF/ON the power to
cancel the error.
AR-BC260 TROUBLESHOOTING 11 - 28
Main Sub
Title Desk incompatibility trouble
code code
U6 50 Display Lamp/Message
Phenomenon Detail
Section Desk
Case 1 Cause
Check &
Remedy
Main Sub
Title LCC incompatibility trouble
code code
U6 51 Display Lamp/Message
Phenomenon Detail
Section LCC
Case 1 Cause
Check &
Remedy
Main Sub
Title RIC communication trouble
code code
U7 00 Display Lamp/Message
Phenomenon Detail
Section RIC
Case 1 Cause
Check &
Remedy
Main Sub CPT-ASIC trouble (MFP PWB
Title
code code trouble)
UC 02 Display Lamp/Message
Phenomenon Detail
Section MFP PWB
Case 1 Cause
Check &
Remedy
Connection of a desk which
is not compatible with the
AR-BC260 is detected.
Connection of a desk (AR-
D17/AR-D18/AR-D19)
which is not compatible with
the AR-BC260 is detected.
Connect the AR-D18N/AR-
D19N.
Connection of LCC which is
not compatible with the AR-
BC260 is detected.
Connection of the AR-LC5
which is not compatible with
the AR-BC260 is detected.
Connect the AR-LC8.
RIC communication error,
communication test error
when turning on the power
or after canceling the
exclusive simulation.
Improper connection or
disconnection of the
connector and the harness.
RIC control PWB trouble,
control PWB (PCU) trouble,
malfunction caused by
noises.
Turn OFF/ON the power to
cancel the error.
Check the connector and
the harness in the
communication line.
Access abnormality to CPT-
ASIC (ASIC does not
operate normally.)
CPT-ASIC abnormality
MFP PWB abnormality
Turn OFF/ON repeatedly. If
the trouble is not canceled,
replace the MFP PWB.