Read Sharp AR-C170 (serv.man28) Service Manual online
AR-C170M TROUBLESHOOTING 11 - 28
U6
20
Case 1
Cause
Improper connection or
disconnection of the
connector and the harness.
disconnection of the
connector and the harness.
Check &
Remedy
Remedy
Check the connector and
the harness in the
communication line.
the harness in the
communication line.
Case 2
Cause
LCC control PWB trouble
Check &
Remedy
Remedy
Replace the LCC control
PWB.
PWB.
Case 3
Cause
Control PWB (PCU) trouble
Check &
Remedy
Remedy
Replace the control PWB
(PCU).
(PCU).
Case 4
Cause
Malfunction caused by
noises
noises
Check &
Remedy
Remedy
Turn OFF/ON the power to
cancel the error.
cancel the error.
Main
code
code
Sub
code
Title
LCC transport motor trouble
U6
21
Display
Lamp/Message
Phenomenon Detail
• The encoder input value
does not change in
0.06sec after turning on
the motor.
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.)
fied time from turning off
the motor. (100 or more
counts are made in
0.1sec after 5sec.)
Section
—
Case 1
Cause
Motor lock, motor RPM
abnormality. Over current to
the motor, saddle finisher
control PWB trouble
abnormality. Over current to
the motor, saddle finisher
control PWB trouble
Check &
Remedy
Remedy
Use SIM 4-3 to check the
transport motor operation.
transport motor operation.
Main
code
code
Sub
code
Title
LCC 24V power abnormality
U6
22
Display
Lamp/Message
Phenomenon Detail
DC 24V is not supplied to
the LCC.
the LCC.
Section
—
Case 1
Cause
Improper connection or
disconnection of the
connector and the harness.
disconnection of the
connector and the harness.
Check &
Remedy
Remedy
Check the connector and
the harness in the power
line.
Turn OFF/ON the power to
cancel the error.
the harness in the power
line.
Turn OFF/ON the power to
cancel the error.
Case 2
Cause
LCC control PWB trouble
Check &
Remedy
Remedy
Turn OFF/ON the power to
cancel the error.
cancel the error.
Case 3
Cause
Power supply unit trouble
Check &
Remedy
Remedy
Turn OFF/ON the power to
cancel the error.
cancel the error.
Main
code
code
Sub
code
Title
LCC communication trouble
Main
code
code
Sub
code
Title
Desk incompatibility trouble
U6
50
Display
Lamp/Message
Phenomenon Detail
Connection of a desk which
is not compatible with the
AR-C170M is detected.
is not compatible with the
AR-C170M is detected.
Section
Desk
Case 1
Cause
Connection of a desk (AR-
D17/AR-D18/AR-D19)
which is not compatible with
the AR-C170M is detected.
D17/AR-D18/AR-D19)
which is not compatible with
the AR-C170M is detected.
Check &
Remedy
Remedy
Connect the AR-D18N/AR-
D19N.
D19N.
Main
code
code
Sub
code
Title
LCC incompatibility trouble
U6
51
Display
Lamp/Message
Phenomenon Detail
Connection of LCC which is
not compatible with the AR-
C170M is detected.
not compatible with the AR-
C170M is detected.
Section
LCC
Case 1
Cause
Connection of the AR-LC5
which is not compatible with
the AR-C170M is detected.
which is not compatible with
the AR-C170M is detected.
Check &
Remedy
Remedy
Connect the AR-LC8.
Main
code
code
Sub
code
Title
RIC communication trouble
U7
00
Display
Lamp/Message
Phenomenon Detail
RIC communication error,
communication test error
when turning on the power
or after canceling the
exclusive simulation.
communication test error
when turning on the power
or after canceling the
exclusive simulation.
Section
RIC
Case 1
Cause
Improper connection or
disconnection of the
connector and the harness.
RIC control PWB trouble,
control PWB (PCU) trouble,
malfunction caused by
noises.
disconnection of the
connector and the harness.
RIC control PWB trouble,
control PWB (PCU) trouble,
malfunction caused by
noises.
Check &
Remedy
Remedy
Turn OFF/ON the power to
cancel the error.
Check the connector and
the harness in the
communication line.
cancel the error.
Check the connector and
the harness in the
communication line.
Main
code
code
Sub
code
Title
CPT-ASIC trouble (MFP PWB
trouble)
trouble)
UC
02
Display
Lamp/Message
Phenomenon Detail
Access abnormality to CPT-
ASIC (ASIC does not
operate normally.)
ASIC (ASIC does not
operate normally.)
Section
MFP PWB
Case 1
Cause
CPT-ASIC abnormality
MFP PWB abnormality
MFP PWB abnormality
Check &
Remedy
Remedy
Turn OFF/ON repeatedly. If
the trouble is not canceled,
replace the MFP PWB.
the trouble is not canceled,
replace the MFP PWB.